IMPACT 4.07.
130 16/11/2021
Chassis ID Path
46/Specifications//Rear axle
Model Identity
FM (4) 155007946
Publish date ID/Operation
27/02/2021
Rear axle
Rear axle, specifications
General information
Foremost rear axle
Rearmost rear axle
Rear axle, specifications
General information
Rear axle, variant description
First character R Rear axle
Second character S or T S=Solo or T=Tandem
Third character S or H S=Single reduction or H=Hub reduction
Fourth and fifth characters Axle load Metric ton [t]
GCW (Gross
Sixth and seventh characters Combination Metric ton [t]
Weight)
Eighth, optional character Version A, B, C, D, E etc.
RTS2310A is a tandem single reduction rear axle with an axle load of 23 tons and GCW of 100 tons.
Foremost rear axle
Tech data
Tech data
Input shaft, end play 0.01 – 0.09 mm
New pinion bearing, preload 4 – 8 Nm
Differential pre-tension, deflection on gauge 0.05 – 0.23 mm
Crown wheel, run-out ≤0.20 mm
Crown wheel, backlash 0.21 – 0.50 mm
Copyright to this documentation belongs to the Volvo Group. No reproduction, copying, change, amendment or other similar disposal is entitled without prior written consent by
the Volvo Group
The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are uncontrolled.
1/5
IMPACT 4.07.130 16/11/2021
Output shaft, end play 0.02 – 0.06 mm
Tightening torque
Rear axle housing
A Differential carrier, screw and nut Tightening sequence: 1-18
270 ±10 Nm
B Input shaft cover, screw Tightening sequence: 1-20
110 – 130 Nm
1 Input shaft, flange nut 1,100 ±100 Nm
2 Output shaft, nut 630 – 770 Nm
3 Differential carrier, axle housing, stud 700 ±70 Nm
4 Shift cylinder, cover 250 – 350 Nm
5 Filler plug 80 ±20 Nm
6 Drain plug 80 ±20 Nm
7 Shift shaft, adjustment screw, lock nut 55 – 75 Nm
Copyright to this documentation belongs to the Volvo Group. No reproduction, copying, change, amendment or other similar disposal is entitled without prior written consent by
the Volvo Group
The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are uncontrolled.
2/5
IMPACT 4.07.130 16/11/2021
Differential carrier
1 Differential, bearing cap, screw 110 – 130 Nm
Transfer gearbox
Copyright to this documentation belongs to the Volvo Group. No reproduction, copying, change, amendment or other similar disposal is entitled without prior written consent by
the Volvo Group
The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are uncontrolled.
3/5
IMPACT 4.07.130 16/11/2021
1 Pinion shaft, nut 2,000 – 2,500 Nm
Rearmost rear axle
Tech data
Tech data
Pinion bearing, press force 6 – 8 t
New pinion bearing, preload 4 – 8 Nm
Crown wheel, run-out ≤0.20 mm
Crown wheel, backlash 0.21 – 0.50 mm
Tightening torques
Rear axle housing
A Differential carrier screw and nut Tightening sequence: 1-16
260 – 280 Nm
1 Pinion shaft, nut 2,000 – 2,500 Nm
2 Differential carrier, stud 70 ±7 Nm
3 Lock nut ,sensor 35 – 45 Nm
Copyright to this documentation belongs to the Volvo Group. No reproduction, copying, change, amendment or other similar disposal is entitled without prior written consent by
the Volvo Group
The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are uncontrolled.
4/5
IMPACT 4.07.130 16/11/2021
4 Filler plug 80 ±20 Nm
5 Drain plug 80 ±20 Nm
6 Drive shaft ,screw 235 – 289 Nm
Differential Carrier
1 Differential bearing cap, screw 730 ±80 Nm
Copyright to this documentation belongs to the Volvo Group. No reproduction, copying, change, amendment or other similar disposal is entitled without prior written consent by
the Volvo Group
The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are uncontrolled.
5/5
