The Massey Ferguson 404 Work Bull is an industrial tractor from the Work Bull Series, manufactured by Massey Ferguson. It features a Massey-Harris 4.5L 4-cylinder gasoline engine with 46 hp drawbar power and 52 hp belt power. The tractor has a 5-speed gear transmission with 5 forward and 1 reverse gear. It is a two-wheel drive with spur gear final drives and manual steering with optional power steering. The tractor includes a rear PTO type 540 as an option. Dimensions include a wheelbase of 85.5 inches, length of 133 inches, and width of 79.5 inches. It weighs between 5420 to 5560 pounds depending on configuration. The tractor uses agricultural tires sized 7.50x15 or 7.50x18 in front and 14.00x24 or 14.00x30 in rear. The electrical system uses a generator charging system.