Steyr 8140-8165

In the summer of 1977, before the smaller 8000-series Steyrs were introduced, the 8140 was not quite as thoroughly redesigned as the smaller 8000-series models, since it used the frame structure of the earlier 1200 model. The engine was a new 6.6-liter unit that produced 120 hp naturally aspirated. The standard gearbox was 12+4. With the hydraulic quick shift, it had 24+8 gears, and with crawling gears, 36+12. Unlike the smaller Steyrs, the brakes were oil-bath disc brakes. The standard lifting capacity was 4500 kg, and with additional cylinders, as much as 6500 kg. The cab was new and featured a flat floor. The gear levers were located on the side.

At the end of 1982, a turbocharger was added to the engine. Power increased to 135 horsepower, and the model designation became 8150. It was only available as a four-wheel-drive model. A limited-slip differential was added to the front axle, and the cab interior was improved. In 1986, a more powerful 8160 was introduced alongside it, with 150 hp. In the summer of 1988, a 40 km/h version was introduced, and the quick shift became standard. The new cab differed from those used on smaller models: the doors were not all-glass, and the roof section was different.

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