B300_FICHA_TECNICA

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05-Sep-00 B300

A L L I S O N A U T O M A T I C T R A N S M I S S I O N S

W OR L D

T R A N S MI S S I ON

M OD E L S

B300(P)(R)

For Appl icat ions w i th . ..

• engines up to 205 kW (275 hp) gross input power and

up to 956 N•m (705 lb-ft) gross input torque

SPECIFICASPECIFICASPECIFICASPECIFICASPECIFICATIONSTIONSTIONSTIONSTIONS

RATINGS

Input Torque Input Power Turbine

Gross1 Net Gross1,2 Net Torque GVW

N•m N•m kW kW N•m kg(lb-ft) (lb-ft) (hp) (hp) (lb-ft) (lbs) Vocations

Buses 956 930 205 185 1830 17,236 Transit, Tour &(705) (685) (275) (250) (1350) (38,000) Shuttle Bus

1. Gross Power and Torque ratings are included for reference only.

2. Gross Power rating as defined by SAE J1995.

DRIVETRAIN INT ERFACESAcceptable full-load engine governed speed 2000 – 2800 rpm

Acceptable engine idle speed range (with transmission in Drive) 500 – 800 rpm

Maximum output shaft speed at 105 km/hr (65 mi/hr) — retarder-equipped models only 3600 rpm

MOUNTINGTo Engine ` SAE No. 2

In Chassis Rear support available (required for some installations)

TORQUE CONVERTERType One stage, three element, polyphase.

Includes standard integral damper which is operational in lockup.

Model Stall Torque Ratio Kp-Factor* at Stall

TC-411 2.71 98.0 (114.1)

TC-413 2.44 73.3 (85.4)

TC-415 2.35 68.2 (79.4)

TC-417 2.20 60.5 (70.5)

TC-418 1.98 61.1 (71.2)

TC-419 2.02 55.0 (64.0)

TC-421 1.77 47.9 (55.8)

*Kp-Factor defines torque converter capacity. Kp = the ratio of converter pump speed [rpm] divided by the square root of the pump torque [N•m (lb-ft)]

B300R



05-Sep-00B300

MECHANICAL RATIOS (Gear ratios do not include torque converter multiplication)Range

First 3.49 : 1

Second 1.86 : 1

Third 1.41 : 1

Fourth 1.00 : 1

Fifth 0.75 : 1

Sixth 0.65 : 1

Reverse - 5.03 : 1

Ratio Coverage In forward range 5.34

CONTROL SYSTEMDescription Electronic, closed loop, adaptive with stand-alone Electronic Control Unit (ECU)

Shift Sequences [C = Converter Mode (lockup clutch disengaged); L = Lockup Mode (lockup clutch engaged)]

1C–[1L]–2C–2L–3L–4L–5L–6L 2C–2L–3L–4L–5L–6L1C–[1L]–2C–2L–3L–4L–5L 2C–2L–3L–4L–5L

1C–[1L]–2C–2L–3L–4L 2C–2L–3L–4L

ECU must be calibrated for “1L” option. Even when available in the shift calibration, “L” will be commanded only during specific vehicleoperating conditions. Second-gear-start calibrations are not available for all vehicle applications.

Driver-to-Transmission Interface Cab-mounted shift selector, pushbutton or lever

Communication Protocol - Engine/Vehicle Interface SAE J1939, SAE J1587, ISO 9141

PHYSICAL DESCRIPTION

Length* Dry weight

Basic Model (B300) 736 mm (29.0 in) 245 kg (535 lbs)

With PTO only (B300P) 843 mm (33.2 in) 260 kg (575 lbs)

With output retarder only (B300R) 736 mm (29.0 in) 280 kg (615 lbs)

With PTO & output retarder (B300PR) 843 mm (33.2 in) 300 kg (655 lbs)

* Length from engine housing to output flange face

Depth, below transmission centerline Standard Shallow Sump 281 mm (11.1 in)

Optional Deep Sump 325 mm (12.8 in)

ENGINE-DRIVEN POWER TAKE-OFF PROVISIONS (OPTIONS)

PTO drive Engine-driven helical gear

PTO mounting pads Ten-bolt

Side / Side PTO Option Top / Side PTO Option

PTO mounting locations (as viewed from rear) 4 o’clock position 2 o’clock position8 o’clock position 8 o’clock position

PTO drive gear rating (continuous operation)

Using one PTO: 657 N•m (458 lb-ft) 657 N•m (458 lb-ft)

Total using two PTO’s: 928 N•m (685 lb-ft) 928 N•m (685 lb-ft)

PTO drive gear ratio 1.00 x engine speed 1.00 x engine speed

PTO drive gear 68-tooth 83-tooth



05-Sep-00 B300

OUTPUT RETARDER PROVISION (OPTION)Type Integral, hydraulic

Capacity

Torque PowerHigh 2170 N•m (1600 lb-ft) 448 kW (600 hp)

Medium 1760 N•m (1300 lb-ft) 373 kW (500 hp)

Low 1490 N•m (1100 lb-ft) 298 kW (400 hp)

OIL SYSTEM

Oil type TranSynd™, DEXRON®-III, C-4

Capacity, excluding external circuits

Standard shallow sump 25 liters (26 quarts)Optional deep sump 27 liters (29 quarts)

Main circuit oil filter Replaceable element, integral

Cooler circuit oil filter Replaceable element, integral

SPEEDOMETER PROVISIONDescription Non-zero-crossing square wave

8 or 16 pulses per revolution of transmission output shaft

Location Electronic output from transmission ECU

TACHOGRAPH PROVISIONTone Wheel 4 or 6-tooth

Mounting M18 x 1.5 metric thread

Location Retarder housing (standard)

Transmission rear cover (optional)



05-Sep-00B300

D E SI G N F E AT U R E S

B300P WITH OPTIONAL DEEP SUMP

B300R WITH STANDARD SHALLOW SUMP



05-Sep-00 B300

T Y P I C A L V E H I C L E A P P L I C A T I O N S

Transit Bus Tour Bus Shuttle Bus

B300_FICHA_TECNICA

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