Mercedes-Benz Unimog originally intended to be used as a tractor

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The sturdy 4-wheel-drive Unimog U25 was an all-purpose work machine | Mercedes-Benz archive photos

Many great automotive names have ties to agriculture. Lamborghini made tractors before it made supercars, and Porsche and Ford have produced farm equipment over the years. That’s also the case with the Unimog. The versatile work vehicle sold by Mercedes-Benz was originally supposed to be a tractor.

The Unimog was born in 1945 amid the devastation of postwar Germany. The vehicle was designed by Albert Friedrich, a former head of aircraft-engine design at Daimler-Benz. Friedrich’s original drawings were of an “engine-powered universally applicable machine for agriculture,” a description that is still partially referenced in the Unimog name, but more on this later.

A Unimog provides the muscle

That original plan called for four-wheel drive, four equal-sized wheels, and 25 horsepower. The vehicle was also designed with a track width of 1,270 millimeters—the same as two rows of potatoes, according to Mercedes.

But the workhorse was designed to be at home on roads as well as in fields. The design called for a high-enough top speed for use on public roads, as well as coil springs for a smoother ride. Tool-attachment points and power-takeoffs (which allow the engine to drive accessories) further increased versatility.

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All sorts of farming equipment could be attached to a Unimog

A prototype was completed in 1946 and given the name “Universal-Motor-Gerät,” or “universally applicable motorized machine.” That was eventually shortened to Unimog. But first, Friedrich and his business partners needed to get the machine into production.

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Friedrich had secured permission from the United States occupying forces to go ahead with production (a necessary step in the immediate postwar period), but he was turned down by his old bosses at Daimler-Benz. Instead, machine-tool manufacturer Boehringer built the first Unimogs, with large-scale production starting in August 1948.

Unimog could be used on the road to tow heavy loads

Boehringer produced about 600 of the vehicles through summer 1950 but couldn’t keep up with demand. Convinced by the vehicle’s early sales success, Daimler took over Unimog production later that year. The Unimog has worn the Mercedes-Benz three-pointed star ever since.

Since then, the Unimog has evolved through several generations, keeping the same basic template of a compact four-wheel drive chassis, and the ability to be fitted with an endless array of tools and accessories for different jobs.

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Unimog was totally utilitarian

The current-generation Unimog can be fitted with everything from snowblowers to lawnmowers, and it  is capable of driving on rails as well as dirt and pavement. Earlier this year, a Unimog set a new altitude record, climbing to 21,961.94 feet up the Ojos de Salado volcano in Chile.

This article was originally published by Motor Authority, an editorial partner of ClassicCars.com.

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