Challenger MT645B VS Claas Ares 556 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 |
Claas Ares 556
General Infos| Make | Claas |
| Model | Ares 556 |
| Country | Germany |
| Production | From 2003 Until 2005 |
| Price | - |
| Tractor type | - |
| Fuel | - |
| Service repair manual | Claas Ares 556 Manual |
Dimensions, sizes and tires
| AG front tires | 13.6R28 |
| AG rear tires | 16.9R38 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 11,532 lbs or 5230 kg |
| Length | 157.5 inches [400 cm] |
| Width | - |
| Height | 111.8 inches [283 cm] |
| Wheelbase | 98.0 inches [248 cm] |
| Ground clearance | - |
| Turning radius | 27.6 feet [8.4 m] |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 276.4 ci or 4.5 L |
| Cylinders | 4 cylinders |
| Engine power | 104 hp or 77.6 kW |
| Engine RPM | 2000 (rpm) |
| Torque | 306.1 lb-ft or 415.1 Nm | Torque RPM | 1400 (rpm) |
| Fuel type | - |
| Fuel injection | - |
| Fuel tank size | 44.9 gal or 169.9 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | - |
| Starter volts | - |
| Parts And Accessories | Claas Ares 556 Parts |
| Batteries number | - |
| Batteries voltage | - |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | - |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | - |
| Trans gears | 32 forward and reverse |
| Clutch system | - |
| Wheel drive | 4x4 MFWD 4WD |
| Final drive | - |
| Steering | hydrostatic power |
| Braking system | wet disc |
| Cabin type | standard with A/C |
| Differentiel lock | - |
| System | - |
| Valves | - |
| Pump flow | - |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | - |
| Max flow | 25.1 gpm or 95.0 lpm |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | - |
| Real power | - |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | - |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | - |
| Hitch system | - |
| Rear hitch | - |
| Rear hitch lift | 18,676 lbs or 8471 kg |
| Front hitch | - |
| Front hitch lift | - |
Related tractor comparison
Challenger MT645B New Holland TL65E Exitus
Challenger MT645B Massey Ferguson 3330
Claas Ares 556 New Holland Boomer TZ18DA
Claas Ares 556 Massey Ferguson 5475SA
Claas Ares 556 Deutz-Fahr Agrotron 120 MK3
Claas Ares 556 Yanmar AF665
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 Claas Ares 556 manual book version
- Cabine, electrical And mechanical parts for Claas Ares 556 farm-tractor here
