The Challenger MT525E 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 6-cylinder turbocharged intercooled diesel engine with Tier IV emissions and selective catalytic reduction (SCR). The tractor offers multiple transmission options including 16-speed and 24-speed power shifts and a continuously-variable transmission (CVT). It delivers a gross engine power of 140 hp and a maximum of 175 hp. The MT525E includes four-wheel drive, electro-hydraulic differential locks, hydraulic wet disc brakes, 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 rear and front lifts with capacities up to 15,500 lbs with CVT. PTO options include independent rear PTO with multiple speed settings. Electrical system features a 12-volt battery and alternator charging. The MT525E shares similarities with Massey Ferguson 7715 and is related to models MT515E, MT535E, and MT525D.