The Valpadana 1645 is a compact farm tractor built in San Martino, Italy by Valpadana. It features a 2.0L 4-cylinder liquid-cooled diesel engine producing 44 hp (32.8 kW) with a claimed PTO power of 36 hp (26.8 kW). Transmission options include 12-speed shuttle, 16-speed shuttle/creeper, and hydrostatic with infinite 3-range forward and reverse. The tractor has a wheelbase of 71.65 inches (181 cm), weighs 3,483 lbs (1579 kg), and offers four-wheel drive with wet disc brakes. Hydraulics include 3 rear valves and an optional front valve, with a total pump flow of 12.6 gpm (47.7 lpm). The tractor hitch supports rear and optional front lifts, and PTO options include rear, mid, and front PTOs with various speeds. A cab with heat and air conditioning is optional.