The Challenger MT945C is a four-wheel drive (4WD) tractor produced from 2009 to 2014 as part of the MT900C Series. Manufactured by Challenger, a part of AGCO, it was built in Jackson, Minnesota, USA. The tractor features a powerful Caterpillar C15 ACERT 15.1L 6-cylinder turbocharged aftercooled diesel engine rated at 440 hp (328.1 kW) with Tier III emissions compliance. It has a 16-speed full power shift Caterpillar Powershift transmission and advanced mechanical features including inboard planetary final drives, optional electro-hydraulic differential locks, and articulated power steering. The cab comes standard with air-conditioning. Hydraulics are closed center pressure-flow compensated with a pressure of 2900 psi and pump flow of 36 gpm, with optional higher flow available. The tractor hitch is category III/IVN with a rear lift capacity of 19,500 lbs. Dimensions include a 155.5 inch wheelbase, 298 inch length, and 192 inch width, with a shipping weight of 39,266 lbs. It runs on large agricultural tires with various size options for front and rear. Electrical system features a 12-volt negative ground with 4 batteries and 185 amp alternator. The original price was $287,145 in 2009.