The Lanz Bulldog D4806 is a farm tractor produced by Lanz in Mannheim, Germany from 1954 to 1955. It features a 1-cylinder liquid-cooled diesel engine producing 48 hp (35.8 kW) and a 6-speed transmission. The tractor is 2-wheel drive and was available in variants including the D4806 with 6-speed and the D4816 with 9-speed transmissions.