Challenger 55 VS Massey Ferguson 6445 specs comparison

Challenger 55
General InfosMake | Challenger |
Model | 55 |
Country | United states |
Production | From 1996 Until 1998 |
Price | - |
Tractor type | Agricultural Crawler tractor |
Fuel | diesel |
Service repair manual | Challenger 55 Manual |
Dimensions, sizes and tires
AG front tires | 16-inch track |
AG rear tires | 16-inch track |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 26000 lbs or 11793 kg |
Length | 211 inches [535 cm] |
Width | 91 inches [231 cm] |
Height | 120 inches [304 cm] |
Wheelbase | 86 inches [218 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 60/68/72/76/80/88/90 inches |
Front tread size | 60/68/72/76/80/88/90 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 442 ci or 7.2 L |
Cylinders | 6 cylinders |
Engine power | - |
Engine RPM | 2100 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 125 gal or 473.1 L |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Challenger 55 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 | creeper |
Trans gears | 32 forward and 18 reverse |
Clutch system | - |
Wheel drive | crawler |
Final drive | - |
Steering | differential power |
Braking system | wet disc |
Cabin type | Cab standard with air-conditioning |
Differentiel lock | - |
System | variable-displacement load-sensing pressure-compensated |
Valves | 3 or 4 |
Pump flow | 31.2 gpm or 118.1 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | 2750 psi or 189.6 bar |
Max flow | - |
Drawbar type | - |
Claimed power | 191 hp or 142.4 kW |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 225 hp or 167.8 kW |
Real power | - |
Engine @RPM | 1000@1900 (rpm) |
PTO Clutch | electro-hydraulic wet disc |
Rear PTO | independent |
Rear PTO RPM | 1000 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | draft control |
Rear hitch | III/II |
Rear hitch lift | 12500 lbs or 5670 kg |
Front hitch | - |
Front hitch lift | - |

Massey Ferguson 6445
General InfosMake | Massey Ferguson |
Model | 6445 |
Country | United states |
Production | From 2003 Until 2013 |
Price | - |
Tractor type | Utility tractor |
Fuel | diesel |
Service repair manual | Massey Ferguson 6445 Manual |
Dimensions, sizes and tires
AG front tires | 13.6R24 |
AG rear tires | 16.9R34 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 9150 lbs or 4150 kg |
Length | 166.5 inches [422 cm] |
Width | 78 inches [198 cm] |
Height | 109.5 inches [278 cm] |
Wheelbase | 96.9 inches [246 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 59.1 to 83.1 inches |
Front tread size | 60.6 to 91.7 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 268.5 ci or 4.4 L |
Cylinders | 4 cylinders |
Engine power | 90 hp or 67.1 kW |
Engine RPM | - |
Torque | 280.3 lb-ft or 380.1 Nm | Torque RPM | 1400 (rpm) |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 39.6 gal or 149.9 L |
Oil capacity | - |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | Massey Ferguson 6445 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | - |
Trans system | Dyna-6 |
Trans type | creeper |
Trans gears | 32 forward and reverse |
Clutch system | electro-hydraulic wet disc |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | power |
Braking system | wet disc |
Cabin type | Cab standard with air-conditioning |
Differentiel lock | - |
System | open center |
Valves | 2 to 4 |
Pump flow | 15.3 gpm or 57.9 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | 2901 psi or 200.0 bar |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | - |
Real power | - |
Engine @RPM | 1000@2040 (rpm) |
PTO Clutch | electro-hydraulic |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | independent |
Front PTO RPM | 1000 (rpm) |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | - |
Rear hitch | - |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |
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Useful links and guides ....
- Challenger provided us with the latest version of its 55 service repair manual
- Find All mechanical and electrical parts and accessories of Challenger 55 farm-tractor here
- Get your Massey Ferguson 6445 manual book version
- Cabine, electrical And mechanical parts for Massey Ferguson 6445 farm-tractor here