Power: 40 hp Date of manufacture : 1950 - 1957
Production Manufacturer: Nuffield Type: Utility tractor Factory: Birmingham, England Variants PM4: gasoline standard DM4: diesel standard PM3V: gasoline tricycle DM3V: diesel tricycle Nuffield PM-4 Power Engine: 40.8 hp 30.4 kW Drawbar (claimed): 34.2 hp 25.5 kW Belt (claimed): 43.5 hp 32.4 kW Drawbar (tested): 33.66 hp 25.1 kW Belt (tested): 38.4 hp 28.6 kW Nuffield PM-4 Engine Mechanical Chassis: 4x2 2WD Steering: manual Brakes: independent mechanical expanding band Cab: Open operator station. Transmission: 5-speed gear Hydraulics Type: open center Pressure: 1200 psi 82.7 bar   2000 psi 137.9 bar (1955 onward) Power Take-off (PTO) Rear RPM: 540 (1.375) Engine RPM: 528@1400 Dimensions & Tires Wheelbase: 78 inches 198 cm Weight: 5,307 lbs 2407 kg Front tire: 6.00-16 Rear tire: 11.00-36 Full dimensions and tires ...

Nuffield 10/42	Power: 43 hp[P]	Date of manufacture : 1964 - 1966

Nuffield 10/60	Power: 61 hp[P]	Date of manufacture : 1964 - 1967

Nuffield DM-4	Power: 50 hp[B]	Date of manufacture : 1950 - 1961

Nuffield Mini 9/16	Power: 16 hp	Date of manufacture : 1965 - 1968

Nuffield PM-4	Power: 40 hp	Date of manufacture : 1950 - 1957

Nuffield Universal 3	Power: 34 hp[P]	Date of manufacture : 1957 - 1961

Oliver 440	Power: 31 hp[P]	Date of manufacture : 1960 - 1963

Oliver 500	Power: 35 hp	Date of manufacture : 1961 - 1963