The Challenger MT315B is a utility tractor from the MT300B Series produced by Challenger (a part of AGCO) from 2006 to 2007. It features a 3.3L 3-cylinder turbocharged diesel engine producing 58 hp gross power, with a 12-speed synchronized or power shuttle transmission. The tractor offers two- or four-wheel drive options, electro-hydraulic differential lock, hydrostatic power steering, and hydraulic wet disc brakes. It has an open center hydraulic system with up to 2755 psi pressure and multiple valve options. The rear hitch supports I/II types with position and draft control and a rear lift capacity of 5500 lbs. The PTO is independent with electro-hydraulic clutch and 540/540E speeds. Dimensions include an 82.7 inch wheelbase and weights ranging from 5291 to 7716 lbs depending on configuration. Attachments include the ML72B and ML92B loaders with various lift capacities and bucket widths. Electrical system features a negative ground, 80 amp alternator, and 12 volt battery.