Fendt 938-943 Vario MT

At Agritechnica 2017, Fendt unveiled its first tracked tractors, which replaced the Challengers in the European market. Manufacturing took place in the USA. The smaller of the model series replaced the Challenger MT700 series and was named the 900 Vario MT (= Mobile Trac). Its engine was an AGCO Power 7-cylinder 9.8-liter. It had two turbochargers and used all known technology for exhaust gas purification. The engine’s nominal speed was only 1700 rpm, and the maximum torque was achieved in the range of 1200–1600 rpm. The transmission was the VarioDrive, developed from the 1000 series Vario. The drivetrain had two hydrostats, one of which disengaged at speeds over 20 km/h. The maximum speed of 40 km/h was reached at 1550 rpm. The hydraulics and the lift met European standards. If needed, two 220 l/min variable displacement pumps could be fitted to the hydraulics.

Compared to Challengers, the suspension of the track system was improved: there were coil springs between the track system and the tractor, and additionally, the carrier rollers within the track system were suspended. As an optional extra, the cab was also coil-sprung. The cab was mostly the same as on the 1000 series Vario. The wheelbase was 13 cm longer than on the previous Challenger.

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