12k vs 12h

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    Caterpillar

    K-Series Motor Graders

    12K vs. 12H STD

    Comparative Presentation

    12K2HOverview

    Introduction

    General Specs

    Operator Environment

    Structures

    Transmission

    Engine

    Hydraulics

    Integrated Electronics

    Safety

    Machine Dimensions

    Machine Specifications

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    12K2HIntroduction

    K-Series Improved Features

    ACERT En gines

    Tier 2 Emissions

    Better Fuel Efficiency

    Improved Cold Starting Cat C7 (7.2L)

    VHP (Standard)

    Better Power Delivery

    Less Tire Slip / Wear

    Lower O&O Costs

    39% Torque Increase

    Electronic Throttle

    Built-In Diagnostics

    Isolation Mounting

    Operator Station

    Increased Ventilation

    Improved Gauge Cluster

    Monitoring System (ET) AccuGrade Ready

    Product Link Ready

    Diff Lock/Unlock

    Serviceability

    Ground Level Daily Check

    Left Side Grouped

    Cat ET

    Increased Diagnostics

    500 Hr Engine Oil Interval

    4000 Hr HydOil Interval

    12000 Hr Engine Coolant

    Up to 50% Less Labor

    Electronic Disconnect

    Emergency Shutoff

    Non-skid Tandem Steps

    Transmission

    Direct Drive, Power Shift

    Electronic Control (ECP C)

    Optimized Inching Modulation 8F/6R Gears

    Autoshift (Optional)

    Over-speed Protection

    Speedometer / Tachometer

    Built-In Diagnostics

    12K2H

    Cat 3306

    Tier I

    14 010 kg (30,886 lb)

    104 kW (140 hp) Base Power (1F 3F)

    123 kW (165 hp) VHP (4F 8F) Std

    8F/6R

    C7.2 VHP with ACERT Technology

    Tier 2 Certified

    15 754 kg (34,731 lb)

    108 kW (145 hp) Base Power (1F 2F)

    116 kW (155 hp) VHP (3F) Std

    123 kW (165 hp) VHP (4F 8F) Std

    8F/6R

    General Specs

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    12K2H

    Mechanical-Linked Hydraulic

    Low Effort, Lever Controls

    STD Monitoring System

    Hand Throttle Control

    Well Ventilated Cab

    Excellent Visibility

    Mechanical-Linked Hydraulic

    Low Effort, Lever Controls

    Improved Monitoring System

    Electronic Throttle Control

    Improved Cab Ventilation

    Excellent Visibility

    Operator Environment

    12K2H

    Conventional Levers (6 base functions)

    1. Left Blade Lift / Lower

    2. Moldboard Side Shift (Optional)

    3. Blade Tip (Optional)

    4. Blade Circle

    5. Articulation

    6. Drawbar Center Shift

    7. Wheel Lean

    8. Right Blade Lift / Lower

    Conventional Levers (8 base functions)

    1. Left Blade Lift / Lower

    2. Moldboard Side Shift (Standard)

    3. Blade Tip (Standard)

    4. Blade Circle

    5. Articulation

    6. Drawbar Center Shift

    7. Wheel Lean

    8. Right Blade Lift / Lower

    Operator Environment - Controls

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    12K2H

    Controls

    1. Steering

    2. Differential Lock / Unlock (Optional)

    3. Transmission Direction/ Gear Selection/Parking Brake

    4. Mechanical Hand Throttle

    Controls

    1. Steering

    2. Differential Lock / Unlock (Standard)

    3. Transmission Direction/ Gear selection/Parking Brake

    4. Electronic Throttle Control

    Operator Environment - Controls

    1

    2

    3

    4

    1

    2

    3 4

    12K2H

    Analog Gauges

    Articulation

    Engine Coolant Temperature

    Engine Oil Pressure

    Service Brake Air Pressure (Left & Right)

    Voltmeter

    Analog Gauges

    Articulation

    Engine Coolant Temperature

    Engine Oil Pressure

    Fuel Level

    Service Brake Air Pressure (Left & Right)

    Voltmeter

    Speedometer/Tachometer (Optional)

    Operator Environment Instrument Panel

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    12K2H

    Indicator Lights

    Center-Shift Pin Disengaged Low Brake Air Pressure

    Low Engine Oil Pressure

    Parking Brake Engaged

    Transmission Diagnostics

    Transmission Fault

    Indicator lights

    Center-Shift Pin Disengaged Check Engine

    Diff Lock Indicator

    Hi-Beam Indicator / Turn Signals

    Low Brake Air Pressure

    Low Engine Oil Pressure

    Parking Brake Engaged

    Throttle Lock

    Transmission Filter Bypass and Check

    Operator Environment Instrument Panel

    12K2H

    Optimal Blade Positioning Capability

    3-Position Link Bar (Standard)

    7-Position Link Bar (Optional)

    Improved Blade Positioning Capability

    7-Position Link Bar (Standard)

    Structures Moldboard

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    12K2H

    Power Shift/ Direct Drive

    8 FWD/ 6 REV Gears

    Integrated Parking Brake

    Electronic Over-speed Protection

    No Autoshift Offered

    Electronically Controlled Shifts

    Power Shift / Direct Drive

    8 FWD/ 6 REV Gears

    Integrated Parking Brake

    Electronic Over-speed Protection

    Autoshift Feature (Optional)

    Electronically Controlled Shifts

    Optimized Inching Modulation (With ECPC)

    Transmission

    12K2H

    Cat 3306 Tier I Certified

    Max Torque =648 N-m (478 lb-ft)

    Altitude Deration 760 m (2,493 ft)

    Std Ambient 43C (109 F)

    Hi Ambient 50 C (122F) (Optional)

    Cat C7 ACERT Tier 2 Certified

    Max Torque =901 N-m (664 lb-ft)

    Altitude Deration 3048 m (10,000 ft)

    Std Ambient 50C (122 F)

    Enhanced Electronically Controlled Fuel System

    Maximized Fuel efficiency

    39% torque increase

    Engine

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    12K2H

    VHP Standard

    VHP Increase is 19 kW (25 hp) in 4F

    1F 3F =104 kW (140 hp)

    4F 8F =123 kW (165 hp)

    VHP Standard

    VHP Delivered in 7.5 kW (10 hp) increments

    1F 2F =108 kW (145 hp)

    3F =116 kW (155 hp)

    4F 8F =123 kW (165 hp)

    Optimum Gear-to-Gear hp forImproved Productivity

    Engine Power Management

    12K2HEngine Power Management

    123 kW (165 hp)8F123 kW (165 hp)

    123 kW (165 hp)7F123 kW (165 hp)

    123 kW (165 hp)6F123 kW (165 hp)

    123 kW (165 hp)5F123 kW (165 hp)

    123 kW (165 hp)4F123 kW (165 hp)

    116 kW (155 hp)3F104 kW (140 hp)

    108 kW (145 hp)2F104 kW (140 hp)

    108 kW (145 hp)1F104 kW (140 hp)

    VHPGearVHP

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    12K2HEngine Power Management

    MORE RIMPULL IN ALL GEARS

    12K & 12H STD Rimpull *

    0.00

    5000.00

    10000.00

    15000.00

    20000.00

    25000.00

    30000.00

    35000.00

    0.00 5.00 10.00 15.00 20.00 25.00 30.00 35.00

    Ground Speed, mph

    1F 12K

    2F 12K

    3F 12K

    4F 12K

    5F 12K

    6F 12K

    7F 12K

    8F 12K

    8F 12H STD

    7F 12H STD

    6F 12H STD

    5F 12H STD

    4F 12H STD

    3F 12H STD

    2F 12H STD

    1F 12H STD

    Traction Limit

    * Dual power was not offered on 12H Std

    Rimpull,

    lbf

    12K2HEngine Specifications

    305 L (80.6 gal)Fuel Capacity284 L (75 gal)

    108 kW (145 hp)Base Power (1st gear) - Net104 kW (140 hp)

    50 C (122 F)Std Ambient Capability43C (109 F)

    1450 rpmStd Ambient - Fan Speed - Max1210 rpm

    3048 m (10,000 ft)Derating Altit ude4978 m (16,332 ft)

    6Number of Cylinders6

    2000 rpmSpeed @ Rated Power1900 rpm

    901 N-m (664 lb ft)Max Torque648 N-m (478 lb ft)

    50%Torque Rise30%

    127 mm (5 in)Stroke152 mm (6 in)

    105 mm (4.1 in)Bore121 mm (4.75 in)

    7.2 L (439 in)Displacement10.45 L (638 in)

    Cat C7.2 ACERT VHPModelCat 3306

    Spec

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    12K2H

    Load Sensing Mechanical Hydraulics

    Proportional Priority Pressure Compensating(PPPC) Implement Control Valves

    Balanced Flow

    Variable Flow Rates

    Compensates for Volume Differences:Head Vs. Rod End of Cylinder

    No Blade Float

    Load Sensing Mechanical Hydraulics

    Proportional Priority Pressure Compensating(PPPC) Implement Control Valves

    Balanced Flow

    Variable Flow Rates

    Compensates for Volume Differences:Head Vs. Rod End of Cylinder

    Blade Float With AccuGrade (Optional)

    Hydraulics

    12K2H

    Electronic Technician (Cat ET)

    Simple Diagnostics

    Electronic Technician (Cat ET)

    Improved Diagnostics

    Product Link Option

    Integrated Electronics

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    12K2H

    AccuGrade Attachment Ready Option

    Not Available

    AccuGrade Attachment Ready Option (ARO)

    Blade Float With AccuGrade (Optional)

    Integrated Electronics - AccuGrade

    12K2H

    Steel Non Skid Steps Not Available Steel Non Skid Steps Standard

    Provide sturdy platform access to thetandems

    Protect brake lines

    Safety

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    12K2H

    Electrical Disconnect Switch Electrical Disconnect Switch

    Tag-out lockout latch for added safety

    Safety

    12K2H

    Engine Doors (Optional) Engine Doors (Standard)

    Engine Shutoff Switch

    Safety

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    12K2H

    Additional Safety Features

    Laminated Front Glass (Cab Option Only)

    Lockable Doors

    Conveniently Located Grab Rails

    Front Sunscreen Decal

    Brake Lights

    Back-up Alarm & Reverse Lights (Optional)

    Turn Signals (Optional)

    Additional Safety Features

    Laminated Front Glass (Cab Option Only)

    Lockable Doors

    Conveniently Located Grab Rails

    Front Sunscreen Decal

    Brake Lights

    Back-up Alarm & Reverse Lights (Standard)

    Turn Signals (Optional)

    Safety

    12K2HMachine Dimensions

    2464 mm (97in)Width - outside front tires2441 mm (96.1 in)

    2468 mm (97.1 in)Width - outside rear tires2422 mm (95.4 in)

    2065 mm (81.3 in)Width - tire center lines2077 mm (81.8 in)

    3019 mm (118.9 in)Height to top of cylinders3030 mm (119.3 in)

    2865 mm (112.8 in)Height to exhaust stack3090 mm (121.7 in)

    332 mm (13.1 in)Ground cl earance at trans. case342 mm (13.4 in)

    10 013 mm (394.2 in)Length - counterweight to ripper10 012 mm (394.2 in)

    8467 mm (333.3 in)Length - front tire to end of rear frame8571 mm (337.4 in)

    6086 mm (239.6 in)Length - front axle to mid tandem6086 mm (239.6 in)

    2598 mm (102.3 in)Length - front axle to moldboard2575 mm (101.4 in)

    1523 mm (60 in)Length - between tandem axles1523 mm (60 in)

    596 mm (23.5 in)Ground clearance to center front axle594 mm (23.4 in)

    3322 mm (130.7 in)Height ROPS canopy3332 mm (131.2 in)

    3316 mm (130.6 in)Height non-ROPS cab3107 mm (122.3)

    3322 mm (130.7 in)Height - ROPS cab3332 mm (131.2 in)

    Dimensions

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    12K2HMachine Specifications

    7 L (1.8 gal)Circle Drive Housing7 L (1.8 gal)

    0.5 L (0.1 gal)Front Wheel Spindle Bearing Housing0.5 L (0.1 gal)

    64 L (16.9 gal)Tandem Housing (Each)64 L (16.9gal)

    47 L (12.4 gal)Differential / Final Drives47 L (12.4 gal)

    25 L (6.6 gal)Engine Oil27 L (7.1 gal)

    55 L (14.5 gal)Hydraulic System - Tank38 L (10 gal)

    40 L (10.6 gal)Cooling System40 L (10.6 gal)

    305 L (80.6 gal)Fuel Tank284 L (75 gal)

    Service Refill

    3600 kPa (522.1 psi)Standby Pressure3600 kPa (522.1 psi)

    25 500 kPa (3699 psi)Maximum System Pressure25 500 kPa (3699 psi)

    205.8 L/min (54.4 gal/min)Pump Outp ut @ 2000 RPM*205.8 L/min (54.4 gal/min)

    Variable PistonPump TypeVariable Piston

    Load Sensing, Closed Center, PPPCCircuit TypeLoad Sensing, Closed Center, PPPC

    Hydraulic System

    Dual CircuitSecondary BrakesDual Circuit

    Air actuated, multiple oil-discParking BrakeAir actuated, multiple oil-disc

    23 948 cm(3712 in)Brake Surface Area23 948 cm(3712 in)

    Dual Circuit Air, multiple oil-discBrakes, ServiceDual Circuit Air, multiple oil-disc

    Direct Drive, Power ShiftTransmissionDirect Drive, Power Shift

    8 Fwd / 6 RevForward/Reverse Gears8 Fwd / 6 Rev

    Power Train

    Competition

    CAT, CATERPILLAR, their r espective logos,

    Caterpil lar Yellow and the POWER EDGE trade

    dress, as well as corporate and product identity

    used herein, are trademarks of Caterpill ar and may

    not be used without permission.

    AEXC0749

    Apr il 2009

    12K vs. 12H STDComparative Presentation