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Front Axle (SD55)
Type JCB spiral bevel input with epicyclic hub reduction
Designation SD55 (without brakes)
Installation Centre pivot
Weight (dry, with no steer rams and
without wheels) 354 kg (780 lb) approx
Overall Gear Ratio (20’’ wheels) 18.6:1
Overall Gear Ratio (18’’ wheels) 16.2:1
Crownwheel & Pinion Ratio 3:1
Number of Teeth
Crownwheel 33
Pinion 11
Hub reduction 5.4:1
Toe-in 0°
Castor angle 0°
Camber angle 1°
Kingpin inclination 0°
Number of steer rams 1
Rear Axle (SD55)
Type JCB spiral bevel input with epicyclic hub reduction
Designation SD55 (with brakes)
Type of Brakes Oil immersed multi-plate disc located centre section
Installation Rigid pad mount
Weight (dry, with no steer rams and
without wheels) 425 kg (937 lb) approx
Overall Gear Ratio (20’’ wheels) 18.6:1
Overall Gear Ratio (18’’ wheels) 16.2:1
Crownwheel & Pinion Ratio 3:1
Number of Teeth
Crownwheel 33
Pinion 11
Hub reduction 5.4:1
Toe-in 0°
Castor angle 0°
Camber angle 1°
Kingpin inclination 0°
Number of steer rams 1
Syncro Shuttle
Syncro Shuttle Combined torque converter, reverser, and gearbox unit with
brake disc/caliper type parking brake on output shaft to front
wheels.
Type SS400
Drive Output Permanent 4 wheel-drive, double yoke
Weight (dry) 150 kg (330 lb)
Gear Ratios 30 kph (18 mph) 20 kph (12 mph)
1st 4.27:1 6.31:1
2nd 2.50:1 3.70:1
3rd 1.18:1 1.75:1
4th 0.70:1 1.03:1
Section F Transmission
9803/7130
Section F
2 - 2
Issue 1
Technical Data