The Valtra S394 is a row-crop tractor from the S Series produced by Valtra, a part of AGCO, from 2017 to 2025. It features a powerful AGCO Power 8.4L 6-cylinder turbocharged intercooled diesel engine delivering 395 hp (294.6 kW) with a maximum power of 399 hp (297.5 kW). The tractor is equipped with a continuously-variable transmission offering infinite forward and reverse gears, four-wheel drive, power steering, and hydraulic wet disc brakes. It includes a standard cab with air-conditioning. The hydraulic system is a closed center load sensing type with 4 to 6 rear valves and 0 to 2 front valves, pumping 54.2 gpm (205.1 lpm). The tractor hitch supports rear types IV/III with rear lift capacity of 26455 lbs (11999 kg) and front lift of 11023 lbs (5000 kg). The PTO is independent with multiple speed options. Dimensions include a wheelbase of 122.2 inches (310 cm), length of 191.7 inches (486 cm), width of 100.4 inches (255 cm), and height of 133.2 inches (338 cm). Operating weight is 22708 lbs (10300 kg). Standard tires are 620/65R34 front and 710/75R42 rear. Electrical system is 12 volts with negative ground and alternator charging.