In this area, we will provide you with information about technical details of all model variants of the highly off-road capable Unimog – starting with the engines and the dimensions, right up to axles and fuel tank volumes, as well as approach and departure angles.
Unimog U 4023/U 5023
Technical data
Everything including engines, dimensions, axles and fuel tank volumes, as well as approach and departure angles.
Technical data.
You will also find further technical information and illustrations in the digital product information:
Models and variants.
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| Model | ||
| Engine (Euro VI) | OM 934 LA | OM 934 LA |
| Output kW/hp | 170/231 | 170/231 |
| Torque at rated engine speed (rpm) | 900 Nm/1.400 | 900 Nm/1.400 |
| Clutch | SAE-2 Ø 395 mm single-disc dry clutch (organic) | SAE-2 Ø 395 mm single-disc dry clutch (organic) |
| Transmission | UG 100/8 | UG 100/8 |
| Axles | Torque tube guided portal axles with coil springs | Torque tube guided portal axles with coil springs |
| front axle (Model variant) | 737.367 | 737.223 |
| Rear axle (Model variant) | 747.367 | 747.223 |
| Electrics | 24 V | 24 V |
| Battery capacity (standard/optional) | 100/170 Ah | 100/170 Ah |
| Tank capacity | Nominal volume | Nominal volume |
| Steering with max. steering pressure | RB 8095 / 170 bar | RB 8095 / 170 bar |
| Brakes | Pneumatic disc brakes | Pneumatic disc brakes |
| Smallest tyres (tyre/rim) | 335/80 R20 | 365/80 R20 |
| Biggest tyres (tyre/rim) | 425/75 R20 and 405/70 R24 | 455/70 R24 |
| Drive type | Engaging all-wheel drive | Engaging all-wheel drive |
| Wheelbase | 3.850 mm | 3.850 mm |
| Perm. GVW (max. with relevant optional extras) | 10,3 t | 14,5 t |
| Max. weight on front axle | 4,6 t | 6,4 t |
| Max. weight on rear axle | 6,0 t | 8,8 t |
| Angle of approach/departure | 41°/39° | 43°/41° |
| Turning circle | 16,3 m | 16,4 m |
| Body space (max. L × W × H) | 4.100 × 2.280 × 1.400 mm | 4.100 × 2.280 × 1.400 mm |
| Fording depth (standard/optional) | 0,8 m/1,2 m | 0,8 m/1,2 m |
| Road speed | 89 km/h1016 | 89 km/h1016 |
The highly off-road-capable Unimog: Engine overview.
| Engine data | U 4023 / U 5023 |
| Engine model | OM 934 LA |
| Output according to DIN (kW/hp) | 170/231 |
| Number of cylinders/arrangement | 4, Vertical in-line |
| Operating principle | 4-stroke diesel direct injection |
| Total displacement (cubic centimetres) | 5.132 |
| Injection pressure (bar) | Until 2.400 |
| Compression ratio | 17,6 : 1 |
| Model variant | 934.974 |
| Max. torque (Nm) | 900 |
| Torque increase (%) | 22 |
| Nominal engine speed (rpm) | 2.200 |
| Fan drive | manual |
| Fuel tank / larger (l) | 160 / 240 |
| AdBlue tank (l) | 18 |
Further topics
Safety
