The Valpadana 3680 is a versatile farm tractor built in San Martino, Italy by Valpadana. It features a 3.3L 3-cylinder turbo diesel engine producing 74.8 hp (55.8 kW) with a claimed PTO power of 69 hp (51.5 kW). Transmission options include 15-speed sync shuttle, 30-speed, and 40-speed power shuttle variants. The tractor offers four-wheel drive, wet disc brakes, and an optional cab with heat and air-conditioning. Hydraulics include 2 valves with a pump flow of 13.8 gpm (52.2 lpm) and a total flow of 21.7 gpm (82.1 lpm). The rear hitch is category II with a lift capacity of 5,732 lbs (2600 kg). PTO options include 540/750/ground speeds with an optional 1000 rpm. Dimensions vary by variant, with the F model being narrower and taller than the GE low-clearance model.