Technical Data
9-4
TRANSMISSION
Make/Model..........Allison 4500 Series with integral retarder mounted directly to the engine, fully automatic
transmission with planetary gearing, lock-up in all gear ranges. Electronic control with six forward and one
reverse gear.
Main.......................................................18.5 + 3.4 bar (269 + 50 lbf/in²)
Temperatures:
Normal...................................................60 °C - 135° C (140 ° F- 275 °F)
Maximum...............................................165 ° C (329 ° F)
Ratios:
Transmission .........Refer to the table below
Low Range
High Range
DROPBOX
Remote mounted transfer gearbox taking drive from the transmission and feeding it via a lockable differential to
the front and rear wheels.
Ratios:
Low........................................................1.129:1
High.......................................................0.738:1
Pressure:
High/Low actuation................................15 ± 0.2 bar
Differential lock actuation......................34-50 bar
Lubrication.............................................2 ± 1 bar
Forward
Gear
1 2 3 4 5 6
km/h
5.5 11.7 16.9 25.8 33.0 37.5
mile/h
3.4 7.3 10.5 16.0 20.5 23.3
Reverse
Gear
1
km/h
4.8
mile/h
3.0
Forward
Gear
1 2 3 4 5 6
km/h
8.4 17.8 25.8 39.5 50.4 60.0
mile/h
5.2 11.0 16.0 24.5 31.3 37.3
Reverse
Gear
1
km/h
7.4
mile/h
4.6
Summary of Contents for TA400
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Page 56: ...Controls and Operating 3 4 FUSE RELAY BOX ...
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