Differential (rear axle)
System
-
Bevel pinion shaft/crown-
wheel
Number of bevel gears
Qty
4
Bevel pinion shaft/crown-wheel backlash
mm
0.2 +/-0.05
Adjust the rolling resistance of the bevel pinion shaft bearing
Nm (Ncm)
2.0 ... 4.0 (200 to 400)
Adjust the rolling resistance of the crown-wheel
Nm (Ncm)
2.5 ... 3.5 (250 to 350)
Tightening torques:
Crown-wheel fixing bolts
Nm
120
Crown-wheel bearing flange
Nm
86
Rear wheel brake
Type
-
Ring piston brake
Disks on each side
Qty
2 brake disks + 1
intermediate disk
Actuation
-
Hydraulic (transmission
oil, servo pump)
Rear brake adjustment:
-
Self-adjusting brake
return mechanism
Front axle service brake (Dual-circuit brakes only)
Type
-
Wet multiple disk brake
on the 4WD shaft
Inner/outer toothed disks
Qty
11/10
Actuation
-
Hydraulic
Hand brake
Type
-
Integrated spring brake
on the 4WD shaft
Inner/outer disks (single-circuit brake)
Qty
6/5
Inner/outer disks (dual-circuit brake)
Qty
11/10
Hand brake opening pressure
bar
90
1. Overall system/tractor
FENDT 800 Vario S4
1-31
X990.005.530.013