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The water-cooled engine delivers 520 kW, equivalent to 700 horsepower, and drives all four wheels through four-wheel drive. Such output clearly exceeds that of any standard tractor and is closer to heavy construction machinery or the largest four-wheel articulated tractors used for deep tillage and cultivation on very large farms.

Ultra-high-power four-wheel-drive tractors of this class emerged chiefly in the large arable regions of the United States and Canada, where individual holdings farm tens of thousands of hectares and therefore need pulling power far beyond the European standard class. Engines from Detroit Diesel, originally developed for trucks and construction machinery, were often fitted to such giant tractors for their ruggedness.

When buying a used 707, the availability of spare parts for the Detroit Diesel engine and the four-wheel-drive system is decisive, since these giant tractors were usually built in small numbers for a specific market. The tyres and axles should also be checked for wear, as the enormous torque of this power class places heavy strain on the drivetrain and tyres.