The Challenger MT585B is a row-crop tractor produced from 2010 to 2012 as part of the MT500B Series by Challenger, a part of AGCO. It features a 7.4L 6-cylinder AGCO SISU Power 74CTA engine with wastegate turbocharging and air-to-air intercooling, delivering 200 hp gross power and up to 225 hp maximum power. The tractor uses a Techstar continuously variable transmission (CVT) with infinite forward and reverse gears. It has a wheelbase of 118 inches, length of 199.5 inches, and a shipping weight of 16400 lbs. The tractor includes four-wheel drive, hydrostatic power steering, hydraulic wet disc brakes, and a cab with air-conditioning. Fuel capacity is 94 gallons, and the hydraulic system capacity is 26.4 gallons with a closed center pressure flow compensated system. The rear hitch is category III with lower link draft sensing and a rear lift capacity of 16140 lbs. The PTO is independent with electro-hydraulic clutch and multiple speed options. Electrical system includes a 175 amp alternator and two 12-volt batteries. Related models include the MT575B and MT595B.