Contents – Part A
Overview of models and components ................................ 6
Product concept ................................................................... 7
Unimog model series in comparison .................................. 7
Extreme off-road capability ................................................ 8
The Unimog concept for extreme torsional flexibility ......... 9
Angle of approach / departure and ramp breakover angle10
Fording capability............................................................. 11
Optional equipment – fording capability .......................... 12
Frame...................................................................................13
Frame concept ................................................................. 13
Optional equipment – frame ............................................ 15
Engine ..................................................................................17
Engine concept ................................................................ 17
Drive clutch...................................................................... 19
High-performance engine brake....................................... 20
Engine control.................................................................. 20
Exhaust gas aftertreatment – BlueTec 6 .......................... 21
Exhaust emissions – limiting values ................................. 23
Regeneration.................................................................... 24
Radiator system .............................................................. 25
Optional equipment – engine ........................................... 26
Transmission.......................................................................27
Main transmission............................................................ 27
Overview .......................................................................... 28
Engine management ........................................................ 29
Electronic Quick Reverse (EQR) ....................................... 30
Optional equipment – transmission ................................. 31
Axles ....................................................................................33
Portal axles ...................................................................... 33
Axle suspension ............................................................... 35
Torque tube technology.................................................... 36
Drive system .................................................................... 37
Single tyres ...................................................................... 38
Optional equipment – axles.............................................. 39
Brakes..................................................................................43
Dual-circuit braking system.............................................. 43
4-channel ABS.................................................................. 44
Optional equipment – brakes ........................................... 45
Steering ...............................................................................46
Power steering ................................................................. 46
Optional equipment – steering......................................... 47
Technical Manual
Mercedes-Benz Special Trucks
2
Contents
