Technical register for agricultural, construction and commercial machinery · sourced data
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Mercedes Benz UNIMOG 405/12

Built: 2002 · Series: UNIMOG

More machines from model year 2002

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The UNIMOG series from Mercedes Benz includes the UNIMOG 405/12. Production: 2002. The engine has 4 cylinders, with a displacement of 4,249 cm³. The vehicle is 5,100 mm long and 2,150 mm wide. The unladen weight is 6,500 kg. The wheelbase measures 3,070 mm. The gross vehicle weight is 11,990 kg. The vehicle runs on 4 wheels. The UNIMOG series covers 98 models. Unladen weight within it ranges from 1,950 to 15,415 kg; the UNIMOG 405/12 sits in the lower part of that range with 6,500 kg. Its immediate neighbours are the UNIMOG 1300L below it with 6,159 kg and the UNIMOG 437/20 above it with 6,535 kg. Gross vehicle weight within it ranges from 3,400 to 16,500 kg; here the UNIMOG 405/12 sits in the upper part of that range with 11,990 kg. 8330 Mercedes Benz models across 126 series are on record.

Unimog — the name is a blueprint, the track width two potato rows

Unimog is an acronym: UNIversal-MOtor-Gerät, universal motorised implement. The name describes exactly what the vehicle was meant to be — not a truck, not a tractor, but an implement carrier able to do both. It was invented by Albert Friedrich in the hard years straight after the Second World War.

Read on 4 more paragraphs

One detail reveals its origin better than any description: the track width of 1,270 mm was chosen because it matches the width of two potato rows. The Unimog was first of all an agricultural machine. To that came two power take-off shafts of 22 hp each for implements and all-wheel drive with separately engageable axles.

Technically defining are the portal axles. They place the half-shafts above the wheel centre, raising ground clearance considerably — the reason a Unimog still moves where others ground out.

In 1953 the 401 and 402 series brought substantial developments, including for the first time a closed, impact-resistant all-steel cab in place of the previous folding roof. From 1963 a medium-duty range followed under the designation 406, with a longer wheelbase of 2,380 mm and more than twice the engine output of the 401.

Anyone assessing a used vehicle should therefore identify the series number first. It says more about size, power class and intended use than any equipment list — between a 401 and a 406 lie ten years and an entire vehicle class.

Sources: Mercedes-Fans, Unimog-Museum, Wikipedia: Unimog 406 (Wikipedia)

Technical data

Engine

Cylinders4correct
Displacement4,249 cm³correct

Dimensions and weights

Length5,100 mmcorrect
Width2,150 mmcorrect
Wheelbase3,070 mmcorrect
Unladen weight6,500 kgcorrect
Gross vehicle weight11,990 kgcorrect

Drivetrain and chassis

Wheels4correct

Frequently asked questions

How much does the Mercedes Benz UNIMOG 405/12 weigh?

The unladen weight is 6,500 kg.

What is the gross vehicle weight of the Mercedes Benz UNIMOG 405/12?

11,990 kg.

What engine does the Mercedes Benz UNIMOG 405/12 have?

4 cylinders, 4,249 cm³ displacement.

What are the dimensions of the Mercedes Benz UNIMOG 405/12?

5,100 mm × 2,150 mm.

When was the Mercedes Benz UNIMOG 405/12 built?

Production years: 2002.

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.
  • Check the weights in the papers against the figures here — attachments change them.
  • 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 2 recorded sources; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.

The technical data on this page comes from official vehicle registration records (RDW/Traficom), not from the manufacturer.

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Sources: RDW — Dutch national vehicle register (retrieved August 2026) · How we check the data

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