Challenger MT645 VS Ford TW-25 specs comparison
Challenger MT645
General Infos| Make | 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 | - |
Ford TW-25
General Infos| Make | Ford |
| Model | TW-25 |
| Country | United states |
| Production | From 1983 Until 1989 |
| Price | - |
| Tractor type | Row Crop tractor |
| Fuel | diesel |
| Service repair manual | Ford TW-25 Manual |
Dimensions, sizes and tires
| AG front tires | 14Lx16 (2WD) |
| AG rear tires | 20.8x38 |
| Lawn front tires | 18.4x16.1 (2WD) |
| Lawn rear tires | 18.4x16.1 (2WD) |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 12267 lbs or 5564 kg |
| Length | 178.7 inches [453 cm] |
| Width | 83.6 inches [212 cm] |
| Height | 116 inches [294 cm] |
| Wheelbase | 110.73 inches [281 cm] |
| Ground clearance | 16.4 inches [41 cm] |
| Turning radius | 42 feet [12.8 m] |
| Rear tread size | 64 to 100 inches |
| Front tread size | 60 to 84 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 401 ci or 6.6 L |
| Cylinders | 6 cylinders |
| Engine power | 156 hp or 116.3 kW |
| Engine RPM | 2200 (rpm) |
| Torque | 424 lb-ft or 574.9 Nm | Torque RPM | 1600 (rpm) |
| Fuel type | diesel |
| Fuel injection | indirect injection |
| Fuel tank size | 75 gal or 283.9 L |
| Oil capacity | 20 qts or 18.9 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | Ford TW-25 Parts |
| Batteries number | - |
| Batteries voltage | 12 V |
| Battries Amps | 128 amps |
| Cold Amps | - |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | 72 amps |
| Trans system | creeper |
| Trans type | partial power shift |
| Trans gears | 24 forward and 6 reverse |
| Clutch system | 356mm dry disc |
| Wheel drive | 4x2 2WD |
| Final drive | - |
| Steering | hydrostatic power |
| Braking system | differential hydraulic wet disc |
| Cabin type | ROPS |
| Differentiel lock | hydraulic rear |
| System | open center |
| Valves | 2 |
| Pump flow | 15.3 gpm or 57.9 lpm |
| SVC flow | - |
| Steering flow | 4.2 gpm or 15.9 lpm |
| Tank capacity | 18.25 gal or 69.1 L |
| Hydraulic pressure | 2500 psi or 172.4 bar |
| Max flow | 27.5 gpm or 104.1 lpm |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | 124.84 hp or 93.1 kW |
| Fuel consumption | 9.0 gal/hour or 34.1 l/hour |
| Pulling power | 15,614 lbs or 7082 kg |
| Claimed power | 140 hp or 104.4 kW |
| Real power | 135.70 hp or 101.2 kW |
| Engine @RPM | 540@1861 (rpm) |
| PTO Clutch | - |
| Rear PTO | independent |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | 8.1 gal/hour or 30.7 l/hour |
| Hitch system | position control and lower-link draft sensing |
| Rear hitch | II |
| Rear hitch lift | 7150 lbs or 3243 kg |
| Front hitch | - |
| Front hitch lift | - |
Related tractor comparison
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Choose another tractor
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 Ford TW-25 manual book version
- Cabine, electrical And mechanical parts for Ford TW-25 farm-tractor here
