Towing capacities – U 4023, model designation 437.427, 170 kW
Permissible gross
vehicle weight
(kg)
Permissible towing capacity with trailer [kg]
Permissible gross
combination
weight (kg)
Without
brake
With inertia-
activated brake
With continuous braking system
RDT and CAT
DBT
ECM [standard]
+ [Q06] / [Q88]
ECM [Q32]
+ [Q88]
ECM [standard] /
[Q32] + [Q06] /
[Q88]
7500
750
3500
5000
9000
11,200
18,700
Tr
andk
8000
750
3500
5000
9000
12,000
20.000
8800
750
3500
5000
9000
13,200
22,000
9,800
750
3500
5000
9000
14,700
24,500
10,300
750
3500
5000
9000
15,400
25,700
Truck: minimum engine power 5 kW/t; Trailer load max. 1.5 x tractor vehicle
ECM: end cross-member
RDT: rigid draw-bar trailer
CAT: centre axle trailer
DBT: draw-bar trailer
Technical Manual
Mercedes-Benz Special Trucks
105
Trailer operation