The Valtra S354 is a row-crop tractor produced from 2014 to 2025 as part of the S Series by Valtra, a part of AGCO. It features a powerful AGCO Power 8.4L 6-cylinder turbocharged intercooled diesel engine delivering 345 hp (257.3 kW) with a maximum power of 365 hp (272.2 kW). The tractor is equipped with a continuously-variable transmission offering infinite forward and reverse gears. It includes four-wheel drive, power steering, hydraulic wet disc brakes, and a cab with air-conditioning as standard. The S354 has a fuel tank capacity of 166.4 gallons (629.8 L) and a DEF tank of 15.9 gallons (60.2 L). Hydraulics are closed center load sensing with 4 to 6 rear valves and 0 to 2 front valves, and a pump flow of 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). PTO options include independent rear PTO with 540E/1000 and 1000E/1000 types. 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) with ground clearance of 18.6 inches (47 cm). Standard tires are 620/65R34 front and 710/75R42 rear. Electrical system is 12 volts with negative ground and alternator charging.