Mercedes Benz Unimog U 1700
Built: 1975–1993 · Series: 435 (435.110)
More machines from model year 1975
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Mercedes-Benz Unimog U 1700 (series 435.110): water-cooled six-cylinder engine rated at 124 kW, rear-wheel drive with switchable four-wheel drive, built 1975 to 1993, top speed over 80 km/h.
The Unimog – short for Universal-Motor-Gerät – was developed after the Second World War as an off-road multi-purpose vehicle and is built by Mercedes-Benz at its Gaggenau plant. The U 1700 of the 435 series was produced between 1975 and 1993 and counts among the larger Unimog lines of that period, with an eight-speed forward-and-reverse gearbox.
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The water-cooled six-cylinder engine displaces 5,675 cm³ and produces 124 kW. Drive is taken to the rear axle with switchable four-wheel drive, shifted through an eight-speed forward-and-reverse gearbox. With a wheelbase of 3,250 mm, the U 1700 reaches a top speed of over 80 km/h; 1,161 units of this version were built.
At over 80 km/h the U 1700 exceeds the 60 km/h limit of the T tractor licence class and is registered as a lorry or towing vehicle instead. Portal axles provide the high ground clearance typical of the Unimog, while the switchable front axle keeps wear down on pure road duty. The vehicle is designed to carry implements at the front, rear and between the axles.
When buying a used example, check the condition of the portal axles, whose hub reduction gears carry their own oil supply and need regular checking. Engaging the front axle should be noticeable and free of unusual noise. Check the frame and implement mounting plates for rust, as well as the propshafts. Mercedes-Benz supplies Unimog spare parts through its own parts programme.
Sources: SpecCodex-Register: Kennwerte des Modells Unimog U 1700, Mercedes-Benz
Technical data
Engine
| Fuel | dieselcorrect |
|---|---|
| Power | 124 kWcorrect |
| Cylinders | 6correct |
| Displacement | 5,675 cm³correct |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Wheelbase | 3,250 mmcorrect |
|---|
Drivetrain and chassis
| Drive | rear-wheel drivecorrect |
|---|---|
| Gearbox | 8V/Rcorrect |
| Top speed | > 80 km/hcorrect |
Origin and approval
| Units built | 1,161correct |
|---|
Frequently asked questions
How much power does the Mercedes Benz Unimog U 1700 have?
The Mercedes Benz Unimog U 1700 delivers 124 kW.
What engine does the Mercedes Benz Unimog U 1700 have?
6 cylinders, 5,675 cm³ displacement, Diesel.
How fast does the Mercedes Benz Unimog U 1700 go?
Top speed is 80 km/h.
When was the Mercedes Benz Unimog U 1700 built?
Production years: 1975–1993.
What to check before buying
- Check the hour meter against the service records — a replaced instrument is the most common gap.
- Compare the data plate and chassis number with the papers.
- Shift the gearbox cold and warm — jumps only show up at temperature.
- Load the hydraulics and watch for sag.
- Ask about parts availability for this build year — the running costs hang on it.
A general list for this type of machine — no substitute for an inspection or an appraiser.
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This page carries 10 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.
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Sources: Wikibooks Traktorenlexikon (CC BY-SA 4.0) (retrieved August 2026) · Values adopted and presented in our own form; changes from the source are possible. · How we check the data
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