Challenger MT645 VS Massey Ferguson 8670 specs comparison

Challenger MT645
General InfosMake | Challenger |
Model | MT645 |
Country | United states |
Production | From 2002 Until 2003 |
Price | - |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | Challenger MT645 Manual |
Dimensions, sizes and tires
AG front tires | 14.9R30 |
AG rear tires | 18.4R42 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 19000 lbs or 8618 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 | 449 ci or 7.4 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 MT645 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 | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 180 hp or 134.2 kW |
Real power | 183.87 hp or 137.1 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 | 10.9 gal/hour or 41.3 l/hour |
Hitch system | - |
Rear hitch | III |
Rear hitch lift | 18400 lbs or 8346 kg |
Front hitch | - |
Front hitch lift | - |

Massey Ferguson 8670
General InfosMake | Massey Ferguson |
Model | 8670 |
Country | United states |
Production | From 2009 Until 2013 |
Price | - |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | Massey Ferguson 8670 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 | 24,250 lbs or 10999 kg |
Length | 223.2 inches [566 cm] |
Width | - |
Height | 133.1 inches [338 cm] |
Wheelbase | 122.2 inches [310 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 |
Engine power | 290 hp or 216.3 kW |
Engine RPM | 2200 (rpm) |
Torque | 1033 lb-ft or 1400.7 Nm | Torque RPM | 1500 (rpm) |
Fuel type | diesel |
Fuel injection | electronic high pressure common rail |
Fuel tank size | 155.9 gal or 590.1 L |
Oil capacity | - |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | Massey Ferguson 8670 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 240 amps |
Trans system | Dyna-VT |
Trans type | continuously-variable transmission (CVT) |
Trans gears | infinite forward and reverse |
Clutch system | - |
Wheel drive | 4x4 MFWD 4WD |
Final drive | inboard planetary |
Steering | - |
Braking system | hydraulic wet disc |
Cabin type | Cab standard with heat and air-conditioning |
Differentiel lock | electro-hydraulic |
System | closed center load sensing |
Valves | 4 to 6 |
Pump flow | 26.4 gpm or 99.9 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | 2,901 psi or 200.0 bar |
Max flow | 46.2 gpm or 174.9 lpm |
Drawbar type | Cat |
Claimed power | - |
Drawbar horsepower | 213.6 hp or 159.3 kW |
Fuel consumption | 15.7 gal/hour or 59.4 l/hour |
Pulling power | 26605 lbs or 12068 kg |
Claimed power | 250 hp or 186.4 kW |
Real power | 275.8 hp or 205.7 kW |
Engine @RPM | 1000@1970 (rpm) |
PTO Clutch | electro-hydraulic |
Rear PTO | independent |
Rear PTO RPM | 540E (rpm) |
Front PTO | optional |
Front PTO RPM | 1000 (rpm) |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 15.9 gal/hour or 60.2 l/hour |
Hitch system | - |
Rear hitch | III, IV |
Rear hitch lift | 26,460 lbs or 12002 kg |
Front hitch | III |
Front hitch lift | 11,020 lbs or 4998 kg |
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Useful links and guides ....
- Challenger provided us with the latest version of its MT645 service repair manual
- Find All mechanical and electrical parts and accessories of Challenger MT645 farm-tractor here
- Get your Massey Ferguson 8670 manual book version
- Cabine, electrical And mechanical parts for Massey Ferguson 8670 farm-tractor here