ZF 12 M (HBW 125)
TECHNICAL DATA
Configuration:   Vertical Offset
Mounting:   Direct to Engine.
Bell Housings:  Borg Warner Adaptor, SAE 5
Weight (approx. dry):  13 kg (29 lbs)
Oil capacity (approx.):  0.56 litres ( 0.59 US quarts)
Fluid Grade:   ATF
Standard Input Rotation:   Anticlockwise engine rotation when looking at the flywheel end.

*Dimensions and weights refer to transmissions with adaptor plates but excluding options such as: trolling valves, power take-offs, propeller shaft companion flanges,torsional couplings etc.

PLEASURE DUTY CLASSIFICATION
MODEL RATIOS MAXIMUM INPUT POWER
"A" "B" 2600 rpm 2800 rpm 3200 rpm HP/rpm ft.lb kW/rpm Nm
HP kW HP kW HP kW

ZF 12 M
(HBW 125)

2.140

1.950

46

34

49

37

56

42

0.0176

92

0.0131

125

2.630

1.950

39

29

42

31

48

36

0.0149

78

0.0111

106
Max engine speed: 5000 rpm.   Max Input Power 55 kW.

.
CONTINUOUS DUTY CLASSIFICATION
MODEL RATIOS MAXIMUM INPUT POWER
"A" "B" 1800 rpm 2300 rpm 2600 rpm HP/rpm ft.lb kW/rpm Nm
HP kW HP kW HP kW
ZF 12 M
(HBW 125)		 2,140 1,950 25 19 32 24 37 27 0.0141 74 0.0105 100
2,630 1,950 23 17 29 22 33 24 0.0126 66 0.0094 90
Max engine speed: 5000 rpm.   Max Input Power 40 kW.

.

For all HBW transmissions, reduce maximum power capacity by the following shock factor values:
1 cylinder engine: K=1.25
2 cylinder engine: K=1.20
3 cylinder engine: K=1.15