The Massey Ferguson 9S.425 is a row-crop tractor in the 9S Series produced from 2024 onward. It is built in Beauvais, France by Massey Ferguson, a part of AGCO. This model features a powerful AGCO Power 8.4L 6-cylinder diesel engine delivering 425 hp (316.9 kW) with Stage V emissions compliance. It uses a Dyna-VT continuously variable transmission with infinite forward and reverse gears. The tractor includes four-wheel drive, power steering, and a standard cab with air-conditioning. Hydraulics are closed center load sensing with up to 6 rear valves optional and 1 or 2 front valves. The rear hitch is category IV/III with a lift capacity of 26,455 lbs (11,999 kg). PTO options include independent front and rear PTOs with multiple speed settings. Dimensions include a 122.1 inch (310 cm) wheelbase, 220.5 inch (560 cm) length, and 134.3 inch (341 cm) height. Standard tires are 650/60R30 front and 710/75R42 rear, with several optional tire sizes available. Electrical system features a 12-volt battery with alternator charging and negative ground.