In this section, 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.
![Technical data](/content/dam/mbo/markets/hq_HQ/models/unimog-off-road/technical-data/images/stage/stage-technical-data.jpg.transform/lq/image.jpg)
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.
The technical data is also available as a PDF document for you to download in the Downloads area.
Models and variants.
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Model | ||
Engine (Euro VI) | OM 934 LA | OM 934 LA |
Output kW/hp | 170 kW/231 PS | 170 kW/231 PS |
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) | 737.367 | 737.223 |
Electrical system | 24 V | 24 V |
Battery capacity (standard/optional) | 100/170 Ah | 100/170 Ah |
Fuel tank capacity | Nominal volume | Nominal volume |
Steering with max. steering pressure | ZF 8095 / 170 bar | ZF 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 | Engageable all-wheel drive | Engageable 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/h | 89 km/h |
Downloads.
The all-terrain 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 (l) | 160 / 240 |
AdBlue tank (l) | 18 |