Allis-Chalmers 6060-6080

Allis-Chalmers had already found a partner in Fiat with the 5050 model. However, for successors to the older 175 and 185 models, they wanted tractors of their own design. They decided to purchase the rear assembly, including the transmission, from Fiat. On the 6060 this came from Fiat’s 780 series, and on the 6080 from the 980 series. The engines were Allis-Chalmers’ own 3.3-liter turbocharged units. The 6060 boasted a 35 % increase in torque. Its gearbox was a partly synchronized 8+2, while the 6080 had a fully synchronized 12+3. The clutch disc was ceramic.

Both models were also offered in a four-wheel-drive version with Fiat’s front axle, and about one third of buyers chose four-wheel drive. The optional cab was similar to that introduced at the same time on the 8000 series, but smaller. Noise levels were 79–81 dB, making it one of the quietest in its class.

In 1984 the 6060 was replaced by the slightly more powerful 6070, which also featured a 12+3 gearbox.

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