Challenger MT645C VS Yanmar AF339 specs comparison

Challenger MT645C
General InfosMake | Challenger |
Model | MT645C |
Country | United states |
Production | From 2009 Until 2010 |
Price | - |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | Challenger MT645C Manual |
Dimensions, sizes and tires
AG front tires | 480/70R34 |
AG rear tires | 520/85R46 |
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 | 240 hp or 179.0 kW |
Engine RPM | 2200 (rpm) |
Torque | 874 lb-ft or 1185.1 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 | Challenger MT645C 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 | Techstar CVT |
Trans type | continuously variable transmission |
Trans gears | infinite 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 heat and air-conditioning |
Differentiel lock | - |
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 | - |
Claimed power | - |
Drawbar horsepower | 175.1 hp or 130.6 kW |
Fuel consumption | 13.5 gal/hour or 51.1 l/hour |
Pulling power | 26770 lbs or 12142 kg |
Claimed power | 205 hp or 152.9 kW |
Real power | 239.0 hp or 178.2 kW |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | independent electro-hydaulic |
Rear PTO RPM | 540E (rpm) |
Front PTO | optional |
Front PTO RPM | 1000 (rpm) |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 13.8 gal/hour or 52.2 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 |

Yanmar AF339
General InfosMake | Yanmar |
Model | AF339 |
Country | Japan |
Production | From 2002 Until 2005 |
Price | - |
Tractor type | - |
Fuel | diesel |
Service repair manual | Yanmar AF339 Manual |
Dimensions, sizes and tires
AG front tires | 8-18 |
AG rear tires | 13.6-26 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 3197 lbs or 1450 kg |
Length | 129.5 inches [328 cm] |
Width | 59.1 inches [150 cm] |
Height | 77.4 inches [196 cm] |
Wheelbase | 72.8 inches [184 cm] |
Ground clearance | 13.4 inches [34 cm] |
Turning radius | - |
Rear tread size | 45.3 to 59.1 inches |
Front tread size | 48.4 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 121.7 ci or 2.0 L |
Cylinders | 4 cylinders |
Engine power | 39 hp or 29.1 kW |
Engine RPM | 2600 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | direct injection |
Fuel tank size | 9.5 gal or 36.0 L |
Oil capacity | - |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | Yanmar AF339 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | 70 amps |
Cold Amps | - |
Ground force | negative |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | - |
Trans type | power shuttle |
Trans gears | 16 forward and reverse |
Clutch system | wet disc |
Wheel drive | 4x4 MFWD 4WD |
Final drive | - |
Steering | power |
Braking system | wet disc |
Cabin type | Two-post ROPS |
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 | 556 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | position control |
Rear hitch | I |
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 MT645C service repair manual
- Find All mechanical and electrical parts and accessories of Challenger MT645C farm-tractor here
- Get your Yanmar AF339 manual book version
- Cabine, electrical And mechanical parts for Yanmar AF339 farm-tractor here