Challenger MT665 VS Nuffield Universal M4 specs comparison

Challenger MT665
General InfosMake | Challenger |
Model | MT665 |
Country | United states |
Production | From 2002 Until 2003 |
Price | - |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | Challenger MT665 Manual |
Dimensions, sizes and tires
AG front tires | 600/70R28 |
AG rear tires | 650/85R38 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 21500 lbs or 9752 kg |
Length | 203 inches [515 cm] |
Width | 98.2 inches [249 cm] |
Height | 121 inches [307 cm] |
Wheelbase | 121 inches [307 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 513 ci or 8.4 L |
Cylinders | 6 cylinders |
Engine power | - |
Engine RPM | 2200 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 120 gal or 454.2 L |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Challenger MT665 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | - |
Trans system | - |
Trans type | power shift |
Trans gears | 18 forward and 6 reverse |
Clutch system | electro-hydraulic wet disc |
Wheel drive | 4x4 MFWD 4WD |
Final drive | - |
Steering | power |
Braking system | hydraulic wet disc |
Cabin type | Cab standard with air-conditioning |
Differentiel lock | - |
System | closed center pressure flow compensated |
Valves | 4 |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | 2900 psi or 200.0 bar |
Max flow | 29 gpm or 109.8 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 183 hp or 136.5 kW |
Fuel consumption | 14.6 gal/hour or 55.3 l/hour |
Pulling power | 20925 lbs or 9491 kg |
Claimed power | 225 hp or 167.8 kW |
Real power | 231.3 hp or 172.5 kW |
Engine @RPM | 1000@2091 (rpm) |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 1000 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 14.1 gal/hour or 53.4 l/hour |
Hitch system | - |
Rear hitch | III |
Rear hitch lift | 19700 lbs or 8935 kg |
Front hitch | - |
Front hitch lift | - |

Nuffield Universal M4
General InfosMake | Nuffield |
Model | Universal M4 |
Country | England |
Production | From 1948 Until 1961 |
Price | - |
Tractor type | - |
Fuel | - |
Service repair manual | Nuffield Universal M4 Manual |
Dimensions, sizes and tires
AG front tires | 6.00-19 |
AG rear tires | 11.00-36 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | - |
Length | 123 inches 312 cm |
Width | 83 inches 210 cm |
Height | - |
Wheelbase | 78 inches 198 cm |
Ground clearance | - |
Turning radius | - |
Rear tread size | 53 to 88 inches |
Front tread size | 48 to 76 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | - |
Cylinders | 4 cylinders |
Engine power | 38 hp 28.3 kW |
Engine RPM | 2000 (rpm) |
Torque | 138 lb-ft 187.1 Nm | Torque RPM | 1000 (rpm) |
Fuel type | - |
Fuel injection | - |
Fuel tank size | 19.2 gal 72.7 L |
Oil capacity | 7.8 qts 7.4 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Nuffield Universal M4 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | - |
Trans type | gear |
Trans gears | 5 forward and 1 reverse |
Clutch system | 280mm mechanical dry disc |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | manual |
Braking system | mechanical drum |
Cabin type | Open operator station |
Differentiel lock | - |
System | - |
Valves | - |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | 25.4 hp 18.9 kW |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | - |
Real power | - |
Engine @RPM | 527@1400 (rpm) |
PTO Clutch | - |
Rear PTO | transmission |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | - |
Rear hitch | I |
Rear hitch lift | 3700 lbs 1678 kg |
Front hitch | - |
Front hitch lift | - |
Related tractor comparison


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Useful links and guides ....
- Challenger provided us with the latest version of its MT665 service repair manual
- Find All mechanical and electrical parts and accessories of Challenger MT665 farm-tractor here
- Get your Nuffield Universal M4 manual book version
- Cabine, electrical And mechanical parts for Nuffield Universal M4 farm-tractor here