Challenger MT645B VS Versatile 1080 Big Roy specs comparison
Challenger MT645B
General Infos| Make | Challenger |
| Model | MT645B |
| Country | United states |
| Production | From 2005 Until 2008 |
| Price | - |
| Tractor type | Row Crop tractor |
| Fuel | diesel |
| Service repair manual | Challenger MT645B 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 | 18,308 lbs or 8304 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 | 449 ci or 7.4 L |
| Cylinders | 6 cylinders 24 valves |
| Engine power | 235 hp or 175.2 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 MT645B 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 | 172.30 hp or 128.5 kW |
| Fuel consumption | 12.0 gal/hour or 45.4 l/hour |
| Pulling power | 16,954 lbs or 7690 kg |
| Claimed power | 200 hp or 149.1 kW |
| Real power | 221.55 hp or 165.2 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 | 12.0 gal/hour or 45.4 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 |
Versatile 1080 Big Roy
General Infos| Make | Versatile |
| Model | 1080 Big Roy |
| Country | Canada |
| Production | From 1977 Until 1977 |
| Price | - |
| Tractor type | Experimental tractor |
| Fuel | diesel |
| Service repair manual | Versatile 1080 Big Roy Manual |
Dimensions, sizes and tires
| AG front tires | 30.5-32 |
| AG rear tires | 30.5-32 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 57,580 lbs or 26118 kg |
| Length | 366 inches [929 cm] |
| Width | - |
| Height | 132 inches [335 cm] |
| Wheelbase | 266.4 inches [676 cm] |
| Ground clearance | - |
| Turning radius | 26.6 feet [8.1 m] |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 1150 ci or 18.8 L |
| Cylinders | 6 cylinders |
| Engine power | 600 hp or 447.4 kW |
| Engine RPM | 2100 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 550 gal or 2081.8 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | - |
| Starter volts | 24 V |
| Parts And Accessories | Versatile 1080 Big Roy Parts |
| Batteries number | 2 |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | 900 |
| Ground force | negative |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | - |
| Trans gears | 6 forward and 1 reverse |
| Clutch system | - |
| Wheel drive | 8x8 8WD |
| Final drive | - |
| Steering | - |
| Braking system | - |
| Cabin type | - |
| Differentiel lock | - |
| System | - |
| Valves | - |
| Pump flow | - |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | - |
| Max flow | - |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | - |
| Real power | - |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | - |
| Rear PTO RPM | - |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | - |
| Hitch system | - |
| Rear hitch | - |
| Rear hitch lift | - |
| Front hitch | - |
| Front hitch lift | - |
Related tractor comparison
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Challenger MT645B Steyr 8070
Versatile 1080 Big Roy John Deere 4640
Versatile 1080 Big Roy Mitsubishi D2350
Challenger MT645B J.I. Case 1410
Challenger MT645B International Harvester 886
Choose another tractor
Useful links and guides ....
- Challenger provided us with the latest version of its MT645B service repair manual
- Find All mechanical and electrical parts and accessories of Challenger MT645B farm-tractor here
- Get your Versatile 1080 Big Roy manual book version
- Cabine, electrical And mechanical parts for Versatile 1080 Big Roy farm-tractor here
