Steyr 1400/8160-8180

In the autumn of 1974, the 140-horsepower Steyr 1400 was introduced, which partially resembled trac-type tractors: the front wheels were almost as large as the rear wheels, and the cabin was located entirely between the axles. The technology was fairly conventional: a synchronized 12+4 gearbox, a hydraulic power shift as an optional extra, hydrostatic steering, draft sensing, and hydraulic performance that was quite moderate relative to the tractor's size. Unlike earlier Steyrs, this tractor featured oil-immersed, air-operated disc brakes at the rear and drum brakes at the front. The seat had suspension in the front-to-back direction as well, and air conditioning was available as an option.

In 1976, the model designation was changed to 8160, and the tractor became the first representative of the Steyr 8000 series. In 1981, it was replaced by the 8170, which was turbocharged and had a power output of 150 hp. The front axle was equipped with a hydraulically engaged differential lock. The rear tires were larger than before, and lifting capacity was increased.

The final development step in the series was the replacement of the 8170 by the 8180 in 1987. The engine power was increased by 15 horsepower. Crawl gears and the power shift, which had previously been optional extras, were now standard, giving a total of 36+12 gears. Road speed was increased to 40 km/h. The cabin was new, but noise levels remained at 82 dB. Separate front brakes were replaced by four-wheel drive that engaged during braking.

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