The Lanz Bulldog D7506 is a farm tractor produced by Lanz from 1935 to 1952 as part of the D75 Series. It features a 4.7L single-cylinder liquid-cooled diesel engine producing 24.5 hp, paired with a 6-speed gear transmission offering 6 forward and 2 reverse gears. The tractor is two-wheel drive with an open operator station. It was built in Mannheim, Baden-Württemberg, Germany. The D7506 variant has a 13.2 gallon fuel tank and an auxiliary fuel tank of 1.85 gallons. Dimensions include a 66.1 inch wheelbase, 117.3 inch length, 63 inch width, and 79.7 inch height, weighing 4982 lbs. Tires are sized 6.00-20 front and 11.25-24 rear. Other variants in the D75 series include models with different transmissions and features for field and road operations.