Espe Calo Go

®®

EngineEngine Model Cat® C15 ACERTGross Power 259 kW 347 hpFlywheel Power 231 kW 310 hp

WeightsOperating Weight 38 488 kg 84,850 lbShipping Weight 29 553 kg 65,152 lb

• Operating Weight: Includes hydraulic controls, blade tiltcylinder, coolant, lubricants, 100% fuel, ROPS, FOPS cab,SU-Blade, Single-Shank Ripper, 560 mm (22 in) MS shoes,and operator.

• Shipping Weight: Includes coolant, lubricants, 20% fuel,ROPS, FOPS cab, and 560 mm (22 in) MS shoes.

D8TTrack-Type Tractor

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D8T Track-Type TractorStrength from the past. Power for the future.™ The D8T combines power and efficiency withadvanced technology for outstanding production at a lower cost-per-yard.

Engineered for demanding work.

The durable construction of the D8T iswell suited for tough working conditions.Combined with the C15 engine for superiorperformance, fuel economy and meetingemission targets with the help of ACERTTechnology, it keeps material moving withthe reliability and low operating costs youexpect from Cat tractors.

Work Tools

Various bulldozer blades, rippers,winches, and other options allow youto adapt the D8T to match your specificapplication, making you more productive.pg. 14

Integrated Electronic Solutions

Caterpillar offers technology optionssuch as Product Link and AccuGrade®

Grade Control System that providegreater accuracy, higher productivity,lower operating costs and moreprofitability. pg. 12

Implement and Steering Controls

Electro-hydraulic implement controlsallow low operator effort for dozing andripping. Steering and gear selection in aone-hand control system enhancesoperator comfort. pg. 8

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Operator Station

Designed for operator comfort,convenience, and productivity.Machine control and vital informationis provided at the operator’s fingertips.A full day of work is no problem in thisefficient work place. pg. 6

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C15 Engine with ACERT® Technology

ACERT Technology works at the pointof combustion to optimize engineperformance and provide low exhaustemissions. Matched with the torquedivider and power shift transmission,it provides years of dependable andefficient service. pg. 4

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✔ New Feature

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Serviceability and Customer Support

Combining easy to access, modularcomponents with your Caterpillar®

Dealer’s advanced rebuild and repaircapabilities ensures rapid componentreplacement and minimum downtime.pg. 15

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Structure

Mainframe is heavy, strong and durable.Full box sections, steel castings andcontinuous rolled rails provide durablesupport to the suspended undercarriage,elevated final drives and other integralframe components. pg. 11

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Undercarriage

The proven elevated sprocketundercarriage isolates the drive traincomponents from ground-inducedimpacts. The suspended undercarriageputs more track on the ground forhigher traction and less track slip.It absorbs shocks for a smoother rideand longer machine life. pg. 10

Drive Train

The electronically controlled powershift transmission, efficient differentialsteering and durable planetary finaldrives deliver outstanding powertransfer and long life to ensuremaximum productivity. pg. 9

C15. Performing at full-rated net powerof 231 kW (310 hp) at 1,850 rpm, thelarge displacement and high torque riseallow the D8T to doze through toughmaterial. Matched to the high-efficiencytorque divider and electronicallycontrolled power shift transmission,it will provide years of dependable service.

Constant Net Horsepower. Constantnet horsepower allows the operator tomaintain high standards of performanceand response, even when parasitic loads,such as the on-demand cooling fan,are applied. The engine automaticallyadjusts to maintain power output andconversely lowers output when demandsare low. This converts to a fuel savingsin cooler climates.

C15 Block. The one-piece, grey ironblock features generous ribbing forstiffness and heavy bearing bulkheadsfor rigidity and strength. Incorporationof straight o-ring connection pointsreduces the loss of engine oil and fluids.

ADEM™ A4 Engine Controller.The ADEM A4 electronic controlmodule manages fuel delivery to getthe best performance per gallon (liter)of fuel used. It provides flexible fuelmapping, allowing the engine to respondquickly to varying application needs.It tracks engine and machine conditionswhile keeping the engine operating atpeak efficiency.

Fuel Delivery. Multiple injectionfuel delivery involves a high degreeof precision. Precisely shaping thecombustion cycle lowers combustionchamber temperatures generatingfewer emissions and optimizing fuelcombustion; translating into more workoutput for your fuel cost.

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A combination of innovations working at the point of combustion, ACERT Technologyoptimizes engine performance while meeting EPA Tier 3 and EU Stage IIIa engine exhaustemission regulations for off-road applications.

C15 Engine with ACERT® Technology

MEUI Fuel System. A highly evolvedfuel system with a proven record ofreliability in the field. MEUI combinesthe technical advancement of an electroniccontrol system with the simplicity ofdirect mechanically controlled unit fuelinjection. The MEUI system excels inits ability to control injection pressureover the entire engine operating speedrange. These features allow the C15 tohave complete control over injectiontiming, duration, and pressure.

ATAAC and Airflow. Air-to-airaftercooling keeps air intake temperaturesdown and, in concert with the tighttolerance combustion chambercomponents, maximizes fuel efficiencyand minimizes emissions. Significantimprovements in air flow are generatedby a water-cooled turbocharger, uniquecross-flow head and single overhead cam.

Turbocharging and Air-to-AirAftercooling. Provides high horsepowerwith faster response time while keepingintake temperatures low for long hoursof continuous operation.

Service. Easier maintenance and repairthrough monitoring key functions andlogging critical indicators. Electronicdiagnostic access is possible with asingle tool, the Cat Electronic Technician.

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Designed for operator comfort, convenience, and productivity, the state-of-the-art cab setsa new standard.

Operator Station

1) Steering Control. Dual-twist tillercontrol with standard differential steeringcontrols direction and degree of turns,forward-reverse shifting, and gearselection in a single control handle—enhancing operator comfort.

2) Cat Comfort Series Seat.Fully adjustable and designed forcomfort and support. Thick seat andback cushions provide support for thelower back and thighs, while allowingunrestricted arm and leg movement.Wide retractable seat belt providespositive and comfortable restraint.

3) Adjustable Armrests. Standardadjustable armrests provide additionalcomfort for the operator.

4) Electronic Ripper Control. A rigidlymounted handgrip, with low effortthumb and finger controls, providesfirm support and positive control ofthe ripper when operating in toughconditions. Programmable features,such as Auto Lift, Shank-Out andAuto Stow, increase efficiency forthe operator.

5) Electronic, Programmable DozerControl. Features such as blade response,blade float, auto blade pitch, and spreadrate can be set and adjusted using theAdvisor panel. Auto Blade Assist andAutoCarry options make the tractor evenmore efficient in specific applications.

6) Cat Monitoring Display System.The combination dash mountedinstrument cluster and the AdvisorMonitoring System provide key machineoperating information and give theoperator and service technician insightinto the machine’s operation andmaintenance needs.

In-Dash Instrument Cluster.The instrument panel, with easy toread gauges and warning lamps, keepsthe operator aware of any potentialproblems. All gauges and readoutsare easily visible in direct sunlight.

Advisor Monitoring System (AMS).On-board diagnostic abilities minimizedowntime and maximize machineperformance.

7) Wide Panoramic View. The operatorstation offers an exceptional viewingarea. A large view hole in the single-shank ripper frame provides a view ofthe ripper tip. The tapered hood, notchedfuel tank and narrow single-shank rippercarriage give the operator a clear lineof sight to the front and rear work areas.The large single-pane door windowsprovide an excellent view to the sidesand blade.

8) Heating and Air Conditioning.Conveniently located air circulationvents evenly distribute airflow withinthe cab. Controls are easily accessiblefrom the operator seat.

Fuse Panel and Diagnostic Access.The new compartment features a singlelocation fuse panel that includes adiagnostic port for the Cat ET to connectfor rapid machine diagnostics.

Comfortable Operation. Standardisolation-mounted cab reduces noiseand vibration. The cab is pre-wiredfor a 12-volt or 24-volt radio, equippedwith two speakers, an antenna and aradio mount recessed in the headliner.

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Dozer Control Lever. A low-effort,electronic dozer control handle gives theoperator control of all dozer functionswith one hand. Fore/aft movement ofthe lever lowers and raises the blade.Left/right movement directionally tiltsthe blade. When equipped with theoptional Dual Tilt feature, the thumblever at the top of the handle controlsblade pitch fore and aft. The triggerswitch toggles between single anddual tilt.

The left and right side thumb buttonsprovide control over the semi-automatedblade pitch functions, that the Dual Tiltattachment provides. Blade pitch forload, carry and spread segments canbe preset on Advisor and controlled bythe buttons. The left side button cyclesbetween the pitch settings for eachsegment of the push cycle. The rightside button cancels out of the pitchfunctions without loosing the presetpitch angles. This Auto Blade Assist(ABA) feature is turned on and offusing a switch on the right side console.

The two buttons also provide controlover the AccuGrade™ blade controlattachment when the machine isso equipped. The buttons turn onAccuGrade, provide manual incrementand decrement control, and turn offAccuGrade.

Auto Pitch. Presetting blade pitch anglesfor optimal performance during thedozing cycle: one setting each for load,carry, spread and return. Auto Pitch isactivated on the Advisor keypad; theoperator can select the dozing segmentby pushing the yellow button on the leftside of the dozer handle.

AccuGrade® Ready Option (ARO).The AccuGrade Ready Option (ARO)provides a factory installed on-boardplatform for the AccuGrade GPSinstallation. All of the changes requiredto the electrical system, hydraulicsystem, blade, and cab are incorporatedinto the ARO. Mounting brackets addedon the blade allow easy installation ofthe masts. Console mounting in the cabsecure the in-cab display. Plug-in pointsinside the cab and on the front of themachine make it easy to installelectronic components.

Computer Aided Earthmoving System(CAES) (optional). This on-boardelectronic site plan directs machineoperators, in real-time, where to cut andfill. A graphical map of the design planand a view of the machine’s horizontaland vertical position simplify operationand enhance production. This advancedinformation tool combines GPStechnology (centimeter-level) and in-cabcomputing capabilities for precise gradeand slope control. It has proven toprovide measurable impact on workquality and overall productivity.

Ripper Control Lever. A rigidly mountedhandgrip provides firm support forthe operator even when ripping in theroughest terrain. The low effort thumblever controls raising and lowering.The finger lever controls shank-in andshank-out positioning. The thumb buttonautomatically raises the ripper.

Tiller Control System. A single lever,dual-control tiller controls machinespeed, direction, and steering. The tillerallows the operator to work preciselyin close areas, around structures, gradestakes, other machines and during finegrading work.

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Implement and Steering ControlsLow effort control functions significantly reduce operator fatigue for increased performance.

Torque Divider. A high efficiency torquedivider with fixed stator provides hightorque multiplication while shieldingthe drive train from sudden torqueshocks and vibration.

Differential Steering System. A planetarydifferential turns the machine by speedingup one track and slowing the other,while maintaining full power to both.The system consists of:

• Three planetary gear sets:

• Two planetary gear sets(steering and drive) make upthe “dual differential,” whichperforms the traditional drivefunction (forward or reverse).Unlike competitive machines,the differential also performsa steering function with inputfrom the steering motor.

• A third planetary gear set, the“equalizing planetary,” residesinside the transmission case.It is connected to the dualdifferential, which providesa maximum speed differencebetween the right and left finaldrives during a turn.

• A dedicated variable-displacementhydraulic pump.

• A bi-directional, fixed-displacementsteering motor.

• Heavy-duty steering drive gears.

Planetary Power Shift Transmission.Three speeds forward and three speedsreverse, utilizing large diameter, highcapacity, oil-cooled clutches.

• Modulation system permits fastspeed and direction changes.

• Modular transmission and differentialslide into rear case for servicingease, even with ripper installed.

• Oil-to-water cooler for maximumcooling capacity.

• Forced oil flow lubricates and coolsclutch packs to provide maximumclutch life.

Drawbar Pull vs. Speed. As loads onthe tractor increase, the D8T offersunmatched lugging capability andsmooth shifting as the need occursto change gears under varying loads.The 3-speed forward, 3-speed reversetransmission, backed by differentialsteering, offers excellent runout speedsand accurate steering capabilityunder load.

Elevated Final Drives. Isolated fromground and equipment induced impactloads for extended power train life.

• Crown-shaved drive gears providesmooth, quiet, low maintenanceoperation.

• Splash lubrication and Duo-Cone®

Seals extend service life.

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Drive TrainThe drive train provides maximum efficiency in combination with the C15 engine withACERT Technology.

Suspended Undercarriage Design.Suspended undercarriage design absorbsimpact loads to reduce the shock loadstransferred to the undercarriage by upto 50 percent in uneven terrain.

Bogie Suspension. Bogie suspensionconforms closely to the ground providingup to 15 percent more ground contact,especially in hard, uneven terrain.Higher traction means less slippage,better balance, and a smoother ride.

Integrated Carrier Roller Mount.The carrier roller mount is cast intothe track roller frame making it easierto add the optional carrier roller in thefield, if conditions require it.

Rollers and Idlers. Feature symmetricDuo-Cone seals for long sealing life toprevent oil loss and dirt entry. Toric ringsmaintain performance over a wide rangeof temperatures. Rollers and idlers areserviceable and rebuildable to providevalue. Abutment-style caps securelyattach rollers and idlers to the bogies.

Roller Frames. Roller frames are tubularto resist bending and twisting, withadded reinforcement where operatingloads are highest.

• Roller frames attach to tractor by apivot shaft and pinned equalizer bar.

• Large pivot shaft bushings operatein an oil reservoir.

• A low friction, no maintenancebushing is used in the saddleconnection.

• Aligned to use more of the availablewear material, running the track tothe outside of the rollers in forwardand to the inside in reverse.

Sprocket Segments. Made exclusivelyof Caterpillar Tough Steel™ for longerwear life and precision machined afterheat treat for proper fit. Segments canbe removed or replaced withoutbreaking the track.

Positive Pin Retention (PPR) Sealedand Lubricated Track. Designed forhigh-impact and high load applications.The PPR exclusive Caterpillar designlocks the link to the pin.

Track Shoes. Track shoes come in avariety of sizes and styles to best matchthe working conditions.

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UndercarriageThe Caterpillar elevated sprocket undercarriage is designed for optimized machine balanceand best possible performance and component life.

Mainframe Strength. The D8T mainframeis built to absorb high impact shockloads and twisting forces.

Frame Rails. Full box section, designedto keep components rigidly aligned.

Heavy Steel Castings. Adds strengthto the main case, equalizer bar saddle,front cross member and tag-link trunnion.

Top and Bottom Rails. Continuous rolledsections, with no machining or welding,to provide superior mainframe durability.

Main Case. Elevates the final driveswell above the ground level work areato protect them from impact loads,abrasion and contaminants.

Pivot Shaft. The D8T pivot shaft runsthrough the mainframe and connects tothe roller frames, allowing independentoscillation. The full-length pivot shaftdistributes impact loads throughoutthe case, reducing the bending stresson the case.

Equalizer Bar. The equalizer bar featureslimited slip seals and an oil-lubricatedjoint for better oil flow. Large forgedpads reduce wear on the mainframeand extend sealed joint life.

Tag-Link. The Tag-Link brings the bladecloser to the machine for more precisedozing and load control.

The Tag-Link design provides solidlateral stability and better cylinderpositions for constant break out force,independent of blade height.

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StructureEngineered to provide durability and the solid support necessary for maximum productionand service life in the most demanding work.

AccuGrade® System for Track-TypeTractors. Caterpillar is helping customersrevolutionize the way they movematerial with new technology solutionsfor earthmoving machines – solutionsthat provide greater accuracy, higherproductivity, lower operating costs andmore profitability.

The AccuGrade System is designed andintegrated into the machine and hydraulicsystems to create an automated bladecontrol system that allows operatorsto grade with increased accuracy.

The system uses machine-mountedsensors to calculate precise blade slopeand elevation information.

The integrated electrohydraulic valvecontrol module uses the informationreceived from the sensors toautomatically adjust the bladeto maintain grade.

Automated blade control allowsoperators to improve efficiency andproductivity by achieving grade fasterand in fewer passes than ever before,reducing the need for traditional surveystakes or grade checkers.

AccuGrade Ready Option. The factoryready option machine makes systeminstallation and setup quick and easy,and optimizes performance andreliability.

• Hydraulic control systems areintegrated into the machinehydraulics for maximumperformance and dependability.

• AccuGrade controls are integratedinto the machine controls andlevers for reliable operation andprecise control.

• Wiring harnesses and cablesare routed during assembly forimproved wear protection andbetter reliability.

• System is designed to withstandvibration for long life in ruggedworking environments.

• Safety interlock feature is builtin for added protection duringautomated operation.

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Caterpillar technology offers customers new opportunities for efficiency and profitability.

Integrated Electronic Solutions

AccuGrade GPS. AccuGrade GPScomputes the positioning informationon the machine, compares the positionof the blade relative to the design planand delivers that information to theoperator via an in-cab display.

Information, such as blade elevation,necessary cut/fill to achieve grade, visualindication of the blade’s position on thedesign surface and a graphical view ofthe design plan with machine location.

AccuGrade GPS puts all the informationthe operator needs to complete the jobin the cab, resulting in a greater level ofcontrol. Vertical and horizontal guidancetools visually guide the operator to thedesired grade.

Automated features allow the hydraulicsystem to automatically control bladeadjustments to move the blade to grade.The operator simply uses the light barsto guide the machine for consistent,accurate grades and slopes, resulting inhigher productivity with less fatigue.

Increases Productivity and Efficiency.

• Increases productivity by up to 50%

• Reduces guesswork and costly reworkby moving dirt right the first time

• Reduces survey costs up to 90%

• Improves material utilization

• Reduces operating costs

• Extends the work day

Enhances Worksite Safety.

• Reduces the need for groundpersonnel (survey stakers andcheckers) on the worksite, in thevicinity of working equipment.

Assists with Labor Shortage.

• Reduces labor requirements and costs

• Customers can get the job donemore quickly and efficiently

• Reduces need for staking and gradecheckers

• Empowers operator, and improvesoperator confidence by deliveringgrading information to the cab

Improves Employee Satisfactionand Retention.

• In-cab display brings elevationcontrol to the cab

• Empowers operator with real-timeresults

• Real-time feedback on progressincreases job satisfaction, eliminatesguesswork and reduces operator stress

• Improves operator skills and takesperformance to the next level

• Investing in the latest technologyleads to a sense of value and trustby the operator

Computer Aided Earthmoving System(CAES) (optional). This on-boardelectronic site plan directs machineoperators, in real-time, where to cut andfill. A graphical map of the design planand a view of the machine’s horizontaland vertical position simplify operationand enhance production. This advancedinformation tool combines GPStechnology (centimeter-level) andin-cab computing capabilities forprecise grade and slope control. It hasproven to provide measurable impact onwork quality and overall productivity.The D8T can be ordered with a CAES-ready option that provides necessarywiring and mounts for the CAES system.

Cat® Product Link. When machines areoperating at several different job sites,it becomes more difficult to keep currentand accurate records. That can lead tomissed maintenance, poor use of assetsand wasted time. Product Link providestwo-way information flow betweenmachine on-board systems and yourdesktop computer through DealerStore Front and Equipment Manager.Cat Product Link enables the use ofEquipment Manager to keep you intouch with your machines.

Benefits.

• Provides machine location

• Provides machine health information

• Eliminates trips for service meterhour readings

• Monitors fuel level and consumption

• Identifies unauthorized machine use

• Facilitates efficient maintenancescheduling

• Can be retrofitted on Cat and otherbrands of machines

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Bulldozers. All blades feature a strongbox-section design that resists twistingand cracking. Blades are made ofCat DH-2™ steel that has high tensilestrength and stands up to the mostsevere applications. Heavy moldboardconstruction and hardened bolt-oncutting edges and end bits add strengthand durability.

• Semi-Universal Blade. The Semi-Universal blade is built for toughapplications where penetration is moreimportant than capacity. The “SU” bladeis more aggressive in penetrating andloading material than the “U” blade.The blade wings are designed for superiorload retention and penetration in tightlypacked materials and for finishingapplications. Can also be configured witha push plate for push loading scrapers.

• High-Capacity Universal Blade.The high-capacity Universal blade offersmaximum capacity and is perfect formoving big loads over long distances.The “U” blade has large blade wings andis ideal for stockpile work, reclamation,charging hoppers or trapping for loaders.

Optional Dual Tilt. Improves load controland allows the operator to optimize theblade pitch angle for each portion of thedozing cycle.

Single Lever. Controls all blademovements, including the optionaldual tilt.

Cutting Edges and End Bits. Cutting edgesare DH-2 steel. End bits are DH-3™steel to provide maximum service lifein tough materials.

Rippers. Single and multi-shank rippersare made to penetrate tough materialfast and rip thoroughly for use in avariety of materials.

Single-Shank Ripper. Operator can adjustthe shank depth from the seat usingan optional single shank pin puller.Large upper frame view hole improvesripper tip visibility. Heat-treated spacerbars in the ripper carriage extendpocket life and reduce shank notching.Large one-piece shank is available indeep rip configuration.

Multi-Shank Ripper. Tailors the tractorto the material by using one, two orthree shanks.

Hydraulics. The D8T features field-provenload-sensing hydraulics which respond tooperating requirements by automaticallyand continually adjusting attachmenthydraulic power, increasing bothoperator and machine efficiency.

Rear Counterweights. Provide propertractor balance to maximize dozingproduction. Recommended if notequipped with any other rear attachment.

Winches. Several options are available.Contact your Caterpillar Dealer.

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Work ToolsWork Tools and Ground Engaging Tools (G.E.T.) provide the flexibility to match the machineto the job, maximizing performance.

Serviceability. Minimizes maintenanceand repair downtime. New sight gauges,filter locations, improved access to oiland coolant sampling ports, and anengine compartment mounted worklamp, make daily and periodic servicefaster and easier. Equipped with a dozerand ripper, there are only 18 lube points.

Engine Oil Filter. Engine oil filter islocated on the engine for easy servicingaccess and minimal downtime.Save further time with the optionalquick oil change attachments.

Water Separator and Fuel Filter.Easily located just inside the engineaccess panel, the water separatorfunctions as the primary fuel filter,just ahead of the secondary fuel filter.

Quick Disconnect Fittings. Allow for fastdiagnosis of the power train, hydraulicsand attachment oil systems.

S•O•SSM Analysis. Scheduled OilSampling made easier through livesampling ports for the engine oil,hydraulics and coolant.

Caterpillar Product Link PL300 (optional).This option allows the customer ordealer to obtain machine diagnosticsand location information from theiroffices. Product Link PL300 providesupdates on service meter hours, machinecondition and machine location, as wellas integrated mapping/route planning.Built-in flexibility allows for futuretechnology development.

Machine Selection. Make detailedcomparisons of the machines you areconsidering before you buy. How longdo components last? What is the costof preventive maintenance? What is thetrue cost of lost production? Your CatDealer can give you answers to thesevery important questions.

Purchase. Consider the financing optionsavailable, as well as day-to-day operatingcosts. This is also the time to look atdealer services that can be included inthe cost of the machine to yield lowerequipment owning and operating costsover the long run.

Product Support. Plan for effectivemaintenance before buying equipment.Choose from your dealer’s wide rangeof maintenance services at the time youpurchase your machine. Programs suchas Custom Track Service (CTS),S•O•S analysis, Technical Analysisand guaranteed maintenance contractsgive peak life and performance toyour machine.

Parts Program. You will find nearlyall parts at your dealer parts counter.Cat Dealers use a worldwide computernetwork to find in-stock parts to minimizemachine downtime.

Ask about your Cat Dealer’s exchangeprogram for major components. This canshorten repair time and lower costs.

Remanufactured Components.Genuine Cat Remanufactured partssave you money. You receive the samewarranty and reliability as new productsat cost savings of 40 to 70 percent.Components available for the drivetrain, engine, and hydraulics.

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Serviceability and Customer SupportThe most serviceable machines from the most committed dealers. World-class productsupport. The Cat Dealer network trained experts keep your fleet up and running, maximizingyour equipment investments. Caterpillar. The difference counts.™

16 D8T Track-Type Tractor specifications

Undercarriage

Shoe Type Moderate ServiceWidth of Shoe 560 mm 22 inShoes/Side 44Grouser Height 78 mm 3 inPitch 216 mm 8.5 inGround Clearance 618 mm 24.3 inTrack Gauge 2082 mm 82 inLength of Track on Ground 3207 mm 10.5 ftGround Contact Area 3.58 m2 5,554 in2

Track Rollers/Side 8Number of Carrier Rollers 1 per side (optional)

• Positive Pin Retention Track.

Hydraulic Controls

Pump Type Piston-type, Variabledisplacement

Pump Output (Steering) 276 L/min 73 gal/minPump Output (Implement) 226 L/min 60 gal/minTilt Cylinder Rod End Flow 130 L/min 34 gal/minTilt Cylinder Head End Flow 170 L/min 45 gal/minBulldozer Relief Valve Setting 24 100 kPa 3,500 psiTilt Cylinder Relief Valve Setting 24 100 kPa 3,500 psiRipper (Lift) Relief Valve Setting 24 100 kPa 3,500 psiRipper (Pitch) Relief Valve Setting 24 100 kPa 3,500 psiSteering 39 200 kPa 5,700 psi

• Steering Pump output measured at 2,300 rpm and30 000 kPa (4,351 psi).

• Implement Pump output measured at 1,850 rpm and6895 kPa (1,000 psi).

• Electro-hydraulic pilot valve assists operations of ripperand dozer controls. Standard hydraulic systems includesfour valves.

• Complete system consists of pump, tank with filter,oil cooler, valves, lines, linkage and control levers.

Engine

Engine Model Cat C15 ACERTGross Power 259 kW 347 hpGross Power – ISO 14396 248 kW 333 hpFlywheel Power 231 kW 310 hpNet Power – Caterpillar 231 kW 310 hpNet Power – ISO 9249 231 kW 310 hpNet Power – SAE J1349 229 kW 307 hpNet Power – EU 80/1269 231 kW 310 hpNet Power – DIN 70020 322 PSBore 137 mm 5.4 inStroke 172 mm 6.75 inDisplacement 15.2 L 928 in3

• Engine ratings apply at 1,850 rpm.

• Net power advertised is the power available at the flywheelwhen the engine is equipped with fan, air cleaner, muffler,and alternator.

• No derating required up to 3658 m (12,000 ft) altitude,beyond 3658 m (12,000 ft) automatic derating occurs.

Service Refill Capacities

Fuel Tank 643 L 170 galCooling System 77 L 20.3 galEngine Crankcase* 38 L 10 galPower Train 155 L 41 galFinal Drives (each) 12.5 L 3.3 galRoller Frames (each) 65 L 17.2 galPivot Shaft Compartment 40 L 10.6 galHydraulic Tank 75 L 19.8 galVariable Fan Hub 3.1 L 0.82 gal

* With oil filters.

Weights

Operating Weight 38 488 kg 84,850 lbShipping Weight 29 553 kg 65,152 lb

• Operating Weight: Includes hydraulic controls, blade tiltcylinder, coolant, lubricants, 100% fuel, ROPS, FOPS cab,SU-Blade, Single-Shank Ripper, 560 mm (22 in) MS shoes,and operator.

• Shipping Weight: Includes coolant, lubricants, 20% fuel,ROPS, FOPS cab, and 560 mm (22 in) MS shoes.

17D8T Track-Type Tractor specifications

Rippers

Type Single-Shank, AdjustableParallelogram

Number of Pockets 1Maximum Clearance Raised 636 mm 25 in(under tip, pinned in bottom hole)Maximum Penetration 1130 mm 44.4 in(standard tip)Maximum Penetration Force 127.3 kN 28,620 lb(shank vertical)Pry out Force 222.7 kN 50,070 lbWeight 4085 kg 9,005 lb(without hydraulic controls)Total Operating Weight* 38 488 kg 84,850 lb(with SU-Blade and Ripper)Type Multi-Shank, Adjustable

ParallelogramNumber of Pockets 3Overall Beam Width 2464 mm 97 inMaximum Clearance Raised 593 mm 23.35 in(under tip, pinned in bottom hole)Maximum Penetration 780 mm 30.7 in(standard tip)Maximum Penetration Force 124.2 kN 27,920 lb(shank vertical)Pry out Force 227.9 kN 51,230 lb(Multi-Shank Ripper with one tooth)Weight (one shank, without 4877 kg 10,752 lbhydraulic controls)Additional Shank 332 kg 732 lbTotal Operating Weight* 39 280 kg 86,597 lb(with SU-Blade and Ripper)

* Total Operating Weight: Includes hydraulic controls, bladetilt cylinder, coolant, lubricants, 100% fuel, ROPS, FOPS cab,Blade, Ripper, 560 mm (22 in) MS shoes, and operator.

Transmission

1 Forward 3.4 kph 2.1 mph2 Forward 6.1 kph 3.8 mph3 Forward 10.6 kph 6.6 mph1 Reverse 4.5 kph 2.8 mph2 Reverse 8 kph 5 mph3 Reverse 14.2 kph 8.8 mph1 Forward – Drawbar Pull (1000) 618.5 N 139 lbf2 Forward – Drawbar Pull (1000) 338.2 N 76 lbf3 Forward – Drawbar Pull (1000) 186.9 N 42 lbf

Blades

Type 8SUCapacity (SAE J1265) 8.7 m3 11.4 yd3

Width (over end bits) 3940 mm 12.9 ftHeight 1690 mm 5.5 ftDigging Depth 575 mm 22.6 inGround Clearance 1225 mm 48.2 inMaximum Tilt 883 mm 34.8 inWeight* 4789 kg 10,557 lb(without hydraulic controls)Total Operating Weight** 38 488 kg 84,850 lb(with Blade and Single-Shank Ripper)Type 8UCapacity (SAE J1265) 11.7 m3 15.3 yd3

Width (over end bits) 4267 mm 14 ftHeight 1740 mm 5.71 ftDigging Depth 575 mm 22.6 inGround Clearance 1225 mm 48.2 inMaximum Tilt 954 mm 37.5 inWeight* 5352 kg 11,800 lb(without hydraulic controls)Total Operating Weight** 39 051 kg 86,093 lb(with Blade and Single-Shank Ripper)Type 8ACapacity (SAE J1265) 4.7 m3 6.1 yd3

Width (over end bits) 4990 mm 16.3 ftHeight 1174 mm 3.85 ftDigging Depth 628 mm 24.7 inGround Clearance 1308 mm 51.5 inMaximum Tilt 729 mm 28.7 inWeight* 5459 kg 12,035 lb(without hydraulic controls)Total Operating Weight** 39 158 kg 86,328 lb(with Blade and Single-Shank Ripper)

* Includes blade tilt cylinder.

**Operating Weight: Includes hydraulic controls, blade tiltcylinder, coolant, lubricants, 100% fuel, ROPS, FOPS cab, Blade,Single-Shank Ripper, 560 mm (22 in) MS shoes, and operator.


Standards

• ROPS (Rollover Protective Structure) offered by Caterpillarfor the machine meets ROPS criteria SAE J1040 MAY94,ISO 3471:1994.

• FOPS (Falling Object Protective Structure) meetsSAE J/ISO 3449 APR98 Level II, and ISO 3449:1992 Level II.

Winches

Winch Model PA140VSWeight* 1790 kg 3,947 lbOil Capacity 15 L 4 galIncreased Tractor Length 563 mm 22.2 inWinch Length 1430 mm 56.3 inWinch Case Width 1160 mm 45.6 inDrum Width 320 mm 12.6 inFlange Diameter 457 mm 18 inRecommended Cable size 29 mm 1.13 inOptional Cable size 32 mm 1.25 inDrum Capacity – 84 m 276 ftRecommended CableDrum Capacity – 59 m 193 ftOptional CableCable Ferrule Sizes – 60 mm 2.36 inOutside DiameterCable Ferrule Sizes – 70 mm 2.76 inLength

• Variable speed, hydraulically driven, dual braking system,three roller fairlead.

* Weight: Includes pump and operator controls.


DimensionsAll dimensions are approximate.

1 Ground Clearance 618 mm 24.3 in2 Track Gauge 2.08 m 82 in3 Width without Trunnions 2642 mm 8.7 ft

(Standard Shoe)4 Width Over Trunnions 3057 mm 10 ft5 Height (Top of Stack) 3448 mm 11.3 ft6 Height (FOPS Cab) 3456 mm 11.34 ft7 Height (ROPS/Canopy) 3461 mm 11.35 ft8 Drawbar Height 708 mm 27.87 in

(Center of Clevis)9 Length of Track on Ground 3207 mm 126.26 in10 Overall Length Basic Tractor 4641 mm 15.2 ft

11 Length Basic Tractor 4998 mm 16.4 ftwith Drawbar

12 Length Basic Tractor 5275 mm 17.3 ftwith Winch

13 Length with SU-blade 6091 mm 20 ft14 Length with U-blade 6434 mm 21.1 ft15 Length with A-blade 6278 mm 20.6 ft16 Length with 6422 mm 21 ft

Single-Shank Ripper17 Length with 6344 mm 20.8 ft

Multi-Shank Ripper18 Overall Length 7872 mm 25.8 ft

(SU-Blade/SS Ripper)

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6, 7 5

8

3, 4

9

10, 11, 12

16, 17

18

13, 14, 15

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Standard EquipmentStandard equipment may vary. Consult your Cat dealer for details.

POWER TRAINC15 with ACERT Technology

24-volt electric startAdvanced Modular Cooling System (AMOCS)Aftercooler, air-to-air (ATAAC)Air filter with electronic service indicatorAuto-kickdown (auto downshift)Automatic shift

(2F/2R, 2F/1R, 1F/2R)Coolant, extended lifeDirectional shift managementEther starting aid, automaticFan, suction with hydraulic demand driveFour planet, double-reduction planetary final drivesFuel priming pump, electricMuffler with rain capParking brake, electronicPre-cleaner with dust ejectorPrescreenerSeparator, water/fuelThermal shieldsTorque dividerTransmission, electronic control, (3F/3R speeds)Turbocharger, wastegateWater separator

OTHER STANDARD EQUIPMENTAir conditioner box, corrosive resistantAuto-blade assist and AutoCarry readyCD ROM Parts BookEcology drains: engine oil, coolant,

hydraulic oil, torque converter, fuel tank,power train case and transmission

Engine enclosures and hood, perforatedEqualizer bar, pinnedFront pull deviceGuards:

Bottom, hingedRadiator, hinged fan blast deflector

Independent steering and attachmenthydraulic pumps

Oil cooler, hydraulicProduct Link readyS•O•SSM sampling portsToolboxUnder-hood standard service lampVandalism protection (8 caplocks)

ELECTRICALAlternator, 100-amp brushlessBack-up AlarmBatteries (4) maintenance free 12-volt, 24-volt systemConverter, 12-volt, 10-amp, two power outletsDiagnostic connectorHorn, forward warningStarting receptacle

OPERATOR ENVIRONMENTAdvisor operator interface:

- Electronic monitoring system- Diagnostic service information- Operator preferences

Armrests, adjustableCab, ROPS, FOPS, sound suppressedControls, electronic implement with lockoutDecelerator pedalDual-twist tiller controlEngine speed control, electronicHeaterHydraulic system, electronically controlled

for bulldozer and ripper controlMirror, rearviewRadio-ready cabSeat, adjustable contour suspension

(gray fabric)Seatbelt, retractable 76 mm (3 in)Steering control, twist tiller with touch shiftWipers, intermittent

UNDERCARRIAGE560 mm (22 in) moderate service grouser

with sealed and lubricated track (44 section)Rollers and idlers, lifetime lubricatedSprocket rim segments, replaceableSuspension-type undercarriage,

Eight-roller tubular track roller frameCarrier roller ready

Track adjusters, hydraulicTrack guidesTwo-piece master link


Optional EquipmentOptional equipment may vary. Consult your Cat dealer for details.

OPERATOR ENVIRONMENTAir conditionerAir conditioner, fender mountedAir conditioner, ROPS mountedCanopyEnhanced cabGlass, Ultra-strength up to 40 psiOperators Arrangement

(gives additional comfort for smaller operators)Seat, air suspensionSeat, vinyl

SPECIAL ARRANGEMENTSHydraulic implement towing arrangement, Low GroundPressure arrangement, Waste Handling arrangement andWoodchip arrangement, in addition to other optionalattachments are available from the factory. Contact yourDealer for availability.

BULLDOZER ATTACHMENTSAccuGrade GPS attachment ready installation

(provides hydraulics, electrical, and blade mountfor system)

AutoCarry systemDual tilt cylinders8SU Blade, with rock guard and wear plate8SU Blade, with push plate8U Blade, with rock guardTrunnion cover, (replaces trunnions)

RIPPERSSingle-Shank* – Standard depthSingle-shank* – Deep rippingMulti-Shank* (includes one tooth)Ripper attachments:

Additional tooth (for multi-shank ripper)Pin Puller, hydraulic

OTHER ATTACHMENTSCounterweights*:

Front mountedRear mounted

Drawbar, rigidParts book, paperStarting aids:

Batteries, heavy-dutyHeater, engine coolant, 120- or 240-volt

Striker bars, front and rearWinch*

* A rear attachment and/or counterweight is recommendedfor improved performance and balance.

ELECTRICALAlternator, 150-ampConverter, 24 volt to 12 voltLight, ripperLights, supplemental:

6 Halogen6 HID8 HID high-mount for waste application10 Halogen10 Halogen high-mount for waste application10 Halogen, sweepsWarning, strobe

Switch, disconnect, remote mountedWAVS single rear vision cameraAccuGrade AROCAES ARO

GUARDSFan, debrisFinal drive and sealsFuel tankIdler sealsPivot shaft sealRadiator, heavy-duty, hingedRear tractorScreen, rearSweepsTrack rollerTransmissionUndercarriage

UNDERCARRIAGENon-suspendedTracks, Pair, Sealed and Lubricated (Standard arrangement):

560 mm (22 in), Extreme service560 mm (22 in), Extreme service PPR610 mm (24 in), Extreme servce660 mm (26 in), Moderate service710 mm (28 in), Moderate service

Tracks, Pair, Sealed and Lubricated (LGP arrangement):810 mm (32 in), Moderate service965 mm (38 in), Extreme service

Roller options:Carrier rollers (one per side)Seals, symmetrical, idler/roller

POWER TRAINFan, reversibleFuel system, fast fillPre-cleaner, turbinePrelube, engine, automaticQuick oil change systemRadiator, high ambient

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Notes

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Notes

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For more complete information on Cat products, dealer services, and industry solutions, visit us on the web at www.cat.com

© 2010 CaterpillarAll Rights Reserved

Printed in U.S.A.

Materials and specifications are subject to change without notice.Featured machines in photos may include additional equipment.

See your Caterpillar dealer for available options.

CAT, CATERPILLAR, ACERT, ADEM, SAFETY.CAT.COM, their respective logos,“Caterpillar Yellow” and the “Power Edge” trade dress, as well as corporate and product

identity used herein, are trademarks of Caterpillar and may not be used without permission.

AEHQ5590-02 (4-10)

Replaces AEHQ5590-01

D8T Track-Type Tractor

Espe Calo Go

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