TRUCK SERVICE MANUAL
TRANSMISSION
GENERAL INFORMATION
Para 1-6
Power takeoff gear backlash ................................Refer para 7-20
Output flange ........................................................Supplied by installer
Transmission Ratios (mechanical*)
Range
Clutches engaged
Ratio
HT 750CRD
Neutral
Low
First
Forward and low
3.19:1
Second
Forward and first
1.89:1
Third
Forward and second
1.55:1
Fourth
Forward and third
1.24:1
Fifth
Forward and fourth
1.00:1
Reverse
Fourth and low
7.97:1
*Overall torque multiplication ratio of transmission (output stalled) is the product of the converter torque multiplication ratio
and the mechanical (gear) ratio.
HT 700 SERIES GOVERNOR PRESSURE
Governor
Governor Pressure (psi)
*At rpm
6834473
103-112
1650
6834864
83-91
1650
6836769
59-65
1650
*May be read from engine tachometer during lockup in highest gear.
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