Challenger MT645B VS New Holland Workmaster 75 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 |
New Holland Workmaster 75
General Infos| Make | New Holland |
| Model | Workmaster 75 |
| Country | United states |
| Production | From 2010 Until 2014 |
| Price | - |
| Tractor type | Utility tractor |
| Fuel | diesel |
| Service repair manual | New Holland Workmaster 75 Manual |
Dimensions, sizes and tires
| AG front tires | 11.2x24 |
| AG rear tires | 16.9x30 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 5,059 lbs or 2294 kg |
| Length | 137.2 inches [348 cm] |
| Width | 78.4 inches [199 cm] |
| Height | 95.3 inches [242 cm] |
| Wheelbase | - |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | 59.7 to 80.2 inches |
| Front tread size | 59.6 to 79.6 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 195 ci or 3.2 L |
| Cylinders | 4 cylinders |
| Engine power | 75 hp or 55.9 kW |
| Engine RPM | 2500 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 16 gal or 60.6 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | electric |
| Starter volts | 12 V |
| Parts And Accessories | New Holland Workmaster 75 Parts |
| Batteries number | - |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | 800 |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | 12 V |
| Charging Amps | 65 amps |
| Trans system | - |
| Trans type | partially synchronized |
| Trans gears | 8 forward and 2 reverse |
| Clutch system | 11-inch dry organic plate |
| Wheel drive | 4x4 MFWD 4WD |
| Final drive | - |
| Steering | hydrostatic power |
| Braking system | differential mechanical wet disc |
| Cabin type | Two-post foldable ROPS |
| Differentiel lock | mechanical rear lock engaged by foot pedal |
| System | open center fixed displacement |
| Valves | 1 or 2 |
| Pump flow | 10.4 gpm or 39.4 lpm |
| SVC flow | - |
| Steering flow | 8.3 gpm or 31.4 lpm |
| Tank capacity | - |
| Hydraulic pressure | - |
| Max flow | 18.7 gpm or 70.8 lpm |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | 65 hp or 48.5 kW |
| Real power | 66.69 hp or 49.7 kW |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | independent |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | 4.0 gal/hour or 15.1 l/hour |
| Hitch system | position control and mechanical draft sensing |
| Rear hitch | 2/1 |
| Rear hitch lift | 3,276 lbs or 1485 kg |
| Front hitch | - |
| Front hitch lift | - |
Related tractor comparison
New Holland Workmaster 75 New Holland TS6.140
Challenger MT645B New Holland T6020 Elite
Challenger MT645B New Holland TD80D
Challenger MT645B New Holland T8050
New Holland Workmaster 75 Zetor Proxima Plus 90
New Holland Workmaster 75 New Holland T5040
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 New Holland Workmaster 75 manual book version
- Cabine, electrical And mechanical parts for New Holland Workmaster 75 farm-tractor here
