SRT45 Off-Highway Truck
9-2
Safety, Operation and Maintenance Manual
II USA EPA/CARB MOH 40 CFR 89 and EU
non-highway vehicle standard.
Maximum torque (1400 r/min)
..........
2440 N• m
(1800 lb ft)
Number of Cylinders/Conguration ............ 6V
Bore x Stroke ...............................137×169mm
(5.33×6.65 in)
Total Displacement
....................
15 L (915 in
3
)
Transmission
Make/model
...........................
Allison H5620AR
Automatic electronic control with soft shift
feature.Remote mounted in the frame.
Integral TC 682 torque converter and planetary
gearing. Six speeds forward, two reverse.
Automatic converter lockup action in all speed
ranges. Downshift inhibitor. Integral hydraulic
retarder.
Forward
gear
1st
gear
2nd
gear
3rd
gear
4th
gear
5th
gear
6th
gear
Ratio 4.00 2.68 2.01 1.35 1.00 0.67
km/h 8.41 12.45 16.57 24.50 33.38 50.00
mile/h 5.28 7.79 10.60 15.30 20.60 32.50
Reversing gear R1
Ratio 5.15
km/h 6.7
mile/h 4.2
Drive axle
Heavy duty axle with single reduction spiral
bevel gear differential, full oating axle shafts,
and planetary reduction at each wheel.
Ratios:
Differential
.............................................
3.73 : 1
Planetary
...............................................
5.80 : 1
Total reduction
....................................
21.63 : 1
Suspension
Technical Data
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