Challenger MT645B VS New Holland Boomer 33 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 Boomer 33
General Infos| Make | New Holland |
| Model | Boomer 33 |
| Country | United states |
| Production | From 2014 Until 2016 |
| Price | - |
| Tractor type | Compact Utility tractor |
| Fuel | diesel |
| Service repair manual | New Holland Boomer 33 Manual |
Dimensions, sizes and tires
| AG front tires | 7x14 |
| AG rear tires | 11.2x24 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 2804 lbs or 1271 kg |
| Length | 119 inches [302 cm] |
| Width | 66.4 inches [168 cm] |
| Height | 92.7 inches [235 cm] |
| Wheelbase | 66 inches [167 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 91.3 ci or 1.5 L |
| Cylinders | 3 cylinders |
| Engine power | 32.2 hp or 24.0 kW |
| Engine RPM | 2600 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | indirect injection |
| Fuel tank size | 10.5 gal or 39.7 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | electric |
| Starter volts | 12 V |
| Parts And Accessories | New Holland Boomer 33 Parts |
| Batteries number | 1 |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | 85 amps |
| Trans system | synchronized shuttle shift |
| Trans type | partially synchronized with mechanical shuttle |
| Trans gears | 12 forward and reverse |
| Clutch system | - |
| Wheel drive | 4x4 MFWD 4WD |
| Final drive | - |
| Steering | hydrostatic power |
| Braking system | wet discs |
| Cabin type | Two-post foldable ROPS |
| Differentiel lock | mechanical rear |
| System | open center |
| Valves | 1 or 2 |
| Pump flow | 8.2 gpm or 31.0 lpm |
| SVC flow | - |
| Steering flow | 5.3 gpm or 20.1 lpm |
| Tank capacity | - |
| Hydraulic pressure | - |
| Max flow | - |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | 24.8 hp or 18.5 kW |
| Real power | - |
| Engine @RPM | - |
| PTO Clutch | electro-hydraulic |
| Rear PTO | independent |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | independent |
| Mid PTO RPM | 2000 (rpm) |
| Fuel consumption | - |
| Hitch system | position control |
| Rear hitch | I |
| Rear hitch lift | 1808 lbs or 820 kg |
| Front hitch | - |
| Front hitch lift | - |
Related tractor comparison
New Holland Boomer 33 Mahindra 7060
New Holland Boomer 33 CaseIH Maxxum 135
New Holland Boomer 33 Chery RA2104
New Holland Boomer 33 Zetor Proxima 100HS
New Holland Boomer 33 Chery RK554
Challenger MT645B Massey Ferguson 7615
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 Boomer 33 manual book version
- Cabine, electrical And mechanical parts for New Holland Boomer 33 farm-tractor here
