Challenger MT645E VS Muir-Hill 121 specs comparison
Challenger MT645E
General Infos| Make | Challenger |
| Model | MT645E |
| Country | United states |
| Production | From 2014 |
| Price | - |
| Tractor type | Row Crop tractor |
| Fuel | diesel |
| Service repair manual | Challenger MT645E Manual |
Dimensions, sizes and tires
| AG front tires | - |
| AG rear tires | - |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 23810 lbs or 10800 kg |
| Length | 218.6 inches [555 cm] |
| Width | - |
| Height | 141 inches [358 cm] |
| Wheelbase | 122 inches [309 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 512.6 ci or 8.4 L |
| Cylinders | 6 cylinders 24 valves |
| Engine power | 240 hp or 179.0 kW |
| Engine RPM | 2100 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 166 gal or 628.3 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | electric |
| Starter volts | 12 V |
| Parts And Accessories | Challenger MT645E Parts |
| Batteries number | - |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | 12 V |
| Charging Amps | 240 amps |
| Trans system | Techstar CVT |
| Trans type | continuously variable transmission (CVT) |
| Trans gears | infinite (2-range) forward and reverse |
| Clutch system | - |
| Wheel drive | 4x4 MFWD 4WD |
| Final drive | - |
| Steering | hydrostatic power |
| Braking system | hydraulic wet disc |
| Cabin type | Cab standard with air-conditioning |
| Differentiel lock | electro-hydraulic |
| System | closed center load sensing |
| Valves | 4 to 6 |
| Pump flow | 54 gpm or 204.4 lpm |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | 2900 psi or 200.0 bar |
| Max flow | - |
| Drawbar type | Cat |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | 205 hp or 152.9 kW |
| Real power | - |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | independent |
| Rear PTO RPM | 1000 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | - |
| Hitch system | - |
| Rear hitch | III/IVN |
| Rear hitch lift | 26455 lbs or 11999 kg |
| Front hitch | - |
| Front hitch lift | - |
Muir-Hill 121
General Infos| Make | 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 | - |
Related tractor comparison
Muir-Hill 121 International Harvester 946
Muir-Hill 121 Woods & Copeland 320C
Challenger MT645E Renault 489
Muir-Hill 121 Ursus C-385
Muir-Hill 121 Leyland 470
Muir-Hill 121 Leyland 384
Choose another tractor
Useful links and guides ....
- Challenger provided us with the latest version of its MT645E service repair manual
- Find All mechanical and electrical parts and accessories of Challenger MT645E farm-tractor here
- Get your Muir-Hill 121 manual book version
- Cabine, electrical And mechanical parts for Muir-Hill 121 farm-tractor here
