The Valmet 8400 is a row-crop tractor produced from 1993 to 2004 as part of the Mezzo Series by Valmet. It features a turbocharged 6-cylinder SisuDiesel 620DS engine with 138.1 hp (103.0 kW) power output and a 36-speed Delta Powershift transmission. The tractor includes four-wheel drive, power steering, hydraulic wet disc brakes, and a standard cab with optional air-conditioning. It has a rear lift capacity of 12,350 lbs (5601 kg) and an independent rear PTO with 540/1000 rpm options. Dimensions include a 100 inch (254 cm) wheelbase, 187 inch (474 cm) length, and 109.1 inch (277 cm) height, weighing 10,740 lbs (4871 kg).