The Challenger MT545D is a row-crop tractor produced from 2013 to 2014 as part of the MT500D Series. Manufactured by Challenger, a part of AGCO, it was built in Beauvais, France. It features a 165 hp AGCO Power 6.6L 6-cylinder turbocharged intercooled diesel engine with Interim Tier IV emissions and selective catalytic reduction (SCR) emission control. The tractor offers two transmission options: a 24-speed six-speed power shift (AutoPower VI) and a continuously variable transmission (TechStar CVT). It has four-wheel drive, hydrostatic power steering, hydraulic wet disc brakes, and a cab with air-conditioning. The hydraulics system is a closed center load sensing (CCLS) type with 2900 psi pressure and 29 gpm total flow. The tractor hitch includes a category 2 drawbar and electronic lower link draft control. The rear PTO is independent with multiple speed options. Standard tires are 380/85R28 front and 460/85R38 rear. Electrical system includes dual batteries and a 175 amp alternator with an optional dual 120A alternator for 240 amps total capacity. Original prices ranged from $140,255 to $171,464 depending on the model variant.