COMCL875762 Model series 403

Model series 403

The 403 series was based on the 406 series. Externally indistinguishable from the original 406 series, the main difference was the use of an OM 314 series 4-cylinder diesel engine. The 406 series was equipped with a more powerful OM 352 series 6-cyinder diesel engine. The 403 series was in production from 1966-1988, with a total of 5063 units in 4 model variants. The 403 series closed the gap in the range between the 421 and 406 series.
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    Drawing of the U54, model series 403 with open cab
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    Drawing of the U66, model series 403 with open cab
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    Unimog and MB-trac range of agricultural tractors 1974, pictured are Unimog vehicles of model series 403, 406, 421 and 425
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    Mercedes-Benz Unimog model U 66/403 L with AMAZONE large-area seed drill model EV 900 from 1973
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    Unimog U54, model series 403 and Unimog U84, model series 406 with enclosed cab, drawing of the side view
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    Unimog vehicles of model series 403, 406, 411 and 416 during an off-road demonstration on the Sauberg testing grounds
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    Unimog U54, model series 403 with open cab (drawing)
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    Unimog product range in the late 1960s with the model series: 403, 406, 411, 421
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    Unimog product range in the late 1960s with the model series: 403, 404.1, 406, 411, 416, 421
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    Unimog product range in the late 1960s with the model series: 403, 404.1, 406, 411, 416, 421
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