The Challenger MT515E is a row-crop tractor produced from 2015 to 2020 as part of the MT500E Series by Challenger, a part of AGCO. It features a 6.6L AGCO Power 6-cylinder turbocharged intercooled diesel engine with Tier IV emissions and selective catalytic reduction (SCR). The tractor delivers 130 hp rated power and up to 165 hp maximum power. It has a 16-speed AutoPower IV four-speed power shift transmission and four-wheel drive with electro-hydraulic differential locks. The MT515E includes hydraulic wet disc brakes, power steering, and a cab with air-conditioning and Auto-Guide 3000. Fuel capacity is 80 gallons, with additional capacities for exhaust fluid and hydraulic systems. The tractor hitch supports category II with substantial lift capacities front and rear. PTO options include independent rear PTO with 540/1000 rpm and optional 540/540E/1000/1000E speeds. Electrical system is 12 volts with negative ground and alternator charging. The MT515E shares similarities with Massey Ferguson 7714 and is related to models MT525E and MT515D.