Challenger MT655B VS Muir-Hill 121 specs comparison

Challenger MT655B
General InfosMake | Challenger |
Model | MT655B |
Country | United states |
Production | From 2005 Until 2008 |
Price | - |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | Challenger MT655B Manual |
Dimensions, sizes and tires
AG front tires | 380/85R34 |
AG rear tires | 480/80R46 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 19,550 lbs or 8867 kg |
Length | 206 inches [523 cm] |
Width | 118 inches [299 cm] |
Height | 123.6 inches [313 cm] |
Wheelbase | 121.1 inches [307 cm] |
Ground clearance | 22.4 inches [56 cm] |
Turning radius | - |
Rear tread size | 60 to 88 inches |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 513 ci or 8.4 L |
Cylinders | 6 cylinders 24 valves |
Engine power | 260 hp or 193.9 kW |
Engine RPM | 2200 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 159 gal or 601.8 L |
Oil capacity | 20 qts or 18.9 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Challenger MT655B Parts |
Batteries number | 2 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | 775 |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 150 amps |
Trans system | TechStar |
Trans type | continuously variable transmission (CVT) |
Trans gears | infinite (2-range) forward and reverse |
Clutch system | - |
Wheel drive | 4x4 MFWD 4WD |
Final drive | inboard planetary |
Steering | power |
Braking system | hydraulic wet disc |
Cabin type | Cab standard with heat and A/C |
Differentiel lock | electrohydraulic front and rear |
System | pressure flow compensated |
Valves | 4 to 6 |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | 26.4 gal or 99.9 L |
Hydraulic pressure | 2900 psi or 200.0 bar |
Max flow | 39 gpm or 147.6 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 215.6 hp or 160.8 kW |
Fuel consumption | - |
Pulling power | 24,615 lbs or 11165 kg |
Claimed power | 220 hp or 164.1 kW |
Real power | 247.41 hp or 184.5 kW |
Engine @RPM | 540@2037 (rpm) |
PTO Clutch | electro-hydraulic wet disc |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 13.7 gal/hour or 51.9 l/hour |
Hitch system | - |
Rear hitch | III |
Rear hitch lift | 15,600 lbs or 7076 kg |
Front hitch | II |
Front hitch lift | 7,700 lbs or 3492 kg |

Muir-Hill 121
General InfosMake | Muir-Hill |
Model | 121 |
Country | England |
Production | From 1972 Until 1983 |
Price | - |
Tractor type | Four wheel Drive (4WD) tractor |
Fuel | diesel |
Service repair manual | Muir-Hill 121 Manual |
Dimensions, sizes and tires
AG front tires | 13.6/12x38 |
AG rear tires | 13.6/12x38 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 10700 lbs or 4853 kg |
Length | 156 inches [396 cm] |
Width | 82 inches [208 cm] |
Height | - |
Wheelbase | 75 inches [190 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 64 to 80 inches |
Front tread size | 64 to 80 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 380 ci or 6.2 L |
Cylinders | 6 cylinders |
Engine power | 120 hp or 89.5 kW |
Engine RPM | 2500 (rpm) |
Torque | 280 lb-ft or 379.7 Nm | Torque RPM | 1600 (rpm) |
Fuel type | diesel |
Fuel injection | direct injection |
Fuel tank size | 48 gal or 181.7 L |
Oil capacity | - |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | Muir-Hill 121 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | 128 amps |
Cold Amps | - |
Ground force | - |
Charging system | alternator |
Charging Volts | - |
Charging Amps | - |
Trans system | - |
Trans type | gear |
Trans gears | 8 forward and 2 reverse |
Clutch system | 355.6mm dry disc |
Wheel drive | 4x4 4WD |
Final drive | planetary |
Steering | power |
Braking system | hydraulic wet disc |
Cabin type | Cab standard |
Differentiel lock | - |
System | open center |
Valves | - |
Pump flow | 11 gpm or 41.6 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | 2600 psi or 179.3 bar |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 90 hp or 67.1 kW |
Real power | - |
Engine @RPM | 540@1750 (rpm) |
PTO Clutch | hydraulic wet disc |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | position and draft control |
Rear hitch | II |
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 MT655B service repair manual
- Find All mechanical and electrical parts and accessories of Challenger MT655B farm-tractor here
- Get your Muir-Hill 121 manual book version
- Cabine, electrical And mechanical parts for Muir-Hill 121 farm-tractor here