The Valmet 405 is a utility tractor produced from 1985 to 1991 as part of the 05 Series. It features a 2.7L 3-cylinder turbocharged diesel engine producing 61 hp (45.5 kW). The tractor offers two- or four-wheel drive options, mechanical rear differential lock, power steering, wet disc brakes, and a standard cab. It has an 8-speed transmission with an additional 8-speed creeper range, providing a total of 16 forward and 8 reverse speeds. The hydraulic system has a pump flow of 10.3 gpm (39.0 lpm), and the rear lift capacity increased after 1989 from 5,291 lbs to 5,512 lbs. The tractor's dimensions vary between 2WD and 4WD models, with wheelbases of 83.2 inches and 88.8 inches respectively, and weights ranging from 6085 to 6570 lbs. It uses 10.00-16 front and 16.9-30 rear tires for 2WD, and 11.2-24 front and 16.9-30 rear tires for 4WD. Electrical system includes a 12-volt battery with a 45 amp alternator and negative ground.