The Challenger MT665 is a row-crop tractor produced from 2002 to 2003 as part of the MT600 Series. Built in Beauvais, France, it is similar to the Massey Ferguson 8280. It features a Sisu 8.4L 6-cylinder turbocharged aftercooled diesel engine, an 18-speed power shift transmission, and four-wheel drive. The tractor includes power steering, hydraulic wet disc brakes, and a cab with air-conditioning. It has a rear PTO independent type with 1000 RPM and a rear hitch type III with a lift capacity of 19700 lbs at 24 inches. The MT665 is equipped with 600/70R28 front tires and 650/85R38 rear tires, with a wheelbase of 121 inches and a shipping weight of 21500 lbs.