New Holland Boomer 40 VS Challenger MT445B specs comparison
                                         
                                        
                                    
                                
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        New Holland Boomer 40
General Infos| Make | New Holland | 
| Model | Boomer 40 | 
| Country | United states | 
| Production | From 2011 Until 2013 | 
| Price | - | 
| Tractor type | Compact Utility tractor | 
| Fuel | diesel | 
| Service repair manual | New Holland Boomer 40 Manual | 
Dimensions, sizes and tires
| AG front tires | - | 
| AG rear tires | - | 
| Lawn front tires | - | 
| Lawn rear tires | - | 
| Indus front tires | - | 
| Indus rear tires | - | 
| Weight | 3,549 lbs or 1609 kg | 
| Length | 121 inches [307 cm] | 
| Width | 64 inches [162 cm] | 
| Height | - | 
| Wheelbase | 69 inches [175 cm] | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | - | 
| Front tread size | - | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 153 ci or 2.5 L | 
| Cylinders | 4 cylinders | 
| Engine power | 41 hp or 30.6 kW | 
| Engine RPM | 2600 (rpm) | 
| Torque | - | Torque RPM | - | 
| Fuel type | diesel | 
| Fuel injection | - | 
| Fuel tank size | - | 
| Oil capacity | - | 
| Oil change | - | 
| Starter motor | electric | 
| Starter volts | 12 V | 
| Parts And Accessories | New Holland Boomer 40 Parts | 
| Batteries number | 1 | 
| Batteries voltage | 12 V | 
| Battries Amps | 80 amps | 
| Cold Amps | 660 | 
| Ground force | negative | 
| Charging system | alternator | 
| Charging Volts | 12 V | 
| Charging Amps | 50 amps | 
| Trans system | - | 
| Trans type | hydrostatic | 
| Trans gears | infinite (3-range) forward and reverse | 
| Clutch system | dry 11-inch 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 foot-activated | 
| System | open center | 
| Valves | 0 to 2 | 
| Pump flow | 8.2 gpm or 31.0 lpm | 
| SVC flow | - | 
| Steering flow | 5.5 gpm or 20.8 lpm | 
| Tank capacity | - | 
| Hydraulic pressure | - | 
| Max flow | 13.7 gpm or 51.9 lpm | 
| Drawbar type | - | 
| Claimed power | - | 
| Drawbar horsepower | - | 
| Fuel consumption | - | 
| Pulling power | - | 
| Claimed power | 32.8 hp or 24.5 kW | 
| Real power | - | 
| Engine @RPM | - | 
| PTO Clutch | electro-hydraulic | 
| Rear PTO | independent | 
| Rear PTO RPM | 540 (rpm) | 
| Front PTO | - | 
| Front PTO RPM | - | 
| Mid PTO | optional independent | 
| Mid PTO RPM | 2000 (rpm) | 
| Fuel consumption | - | 
| Hitch system | - | 
| Rear hitch | I | 
| Rear hitch lift | 2,756 lbs or 1250 kg | 
| Front hitch | - | 
| Front hitch lift | - | 
                                        
                                    
                                                                            
                                        
                                    
                                                                            
                                    
                                                                                        Challenger MT445B
General Infos| Make | Challenger | 
| Model | MT445B | 
| Country | United states | 
| Production | From 2004 Until 2013 | 
| Price | - | 
| Tractor type | Utility tractor | 
| Fuel | diesel | 
| Service repair manual | Challenger MT445B Manual | 
Dimensions, sizes and tires
| AG front tires | 10.00-16 (2WD) | 
| AG rear tires | 480/70R38 | 
| Lawn front tires | - | 
| Lawn rear tires | - | 
| Indus front tires | - | 
| Indus rear tires | - | 
| Weight | 8,840 lbs or 4009 kg | 
| Length | - | 
| Width | - | 
| Height | - | 
| Wheelbase | 97 inches [246 cm] | 
| Ground clearance | - | 
| Turning radius | - | 
| Rear tread size | - | 
| Front tread size | - | 
| Turning radius | - | 
Horsepower and engin specs
| Engine capacity | 268 ci or 4.4 L | 
| Cylinders | 4 cylinders | 
| Engine power | 85 hp or 63.4 kW | 
| Engine RPM | 2200 (rpm) | 
| Torque | - | Torque RPM | - | 
| Fuel type | diesel | 
| Fuel injection | - | 
| Fuel tank size | 40 gal or 151.4 L | 
| Oil capacity | - | 
| Oil change | - | 
| Starter motor | - | 
| Starter volts | 12 V | 
| Parts And Accessories | Challenger MT445B Parts | 
| Batteries number | - | 
| Batteries voltage | 12 V | 
| Battries Amps | - | 
| Cold Amps | - | 
| Ground force | negative | 
| Charging system | - | 
| Charging Volts | - | 
| Charging Amps | - | 
| Trans system | Autopower IV | 
| Trans type | four speed power shift | 
| Trans gears | 16 forward and reverse | 
| Clutch system | wet disc | 
| Wheel drive | 4x2 2WD | 
| Final drive | inboard planetary | 
| Steering | hydrostatic power | 
| Braking system | hydraulic wet disc | 
| Cabin type | ROPS | 
| Differentiel lock | electro-hydraulic | 
| System | - | 
| Valves | 2 to 4 | 
| Pump flow | 26.4 gpm or 99.9 lpm | 
| SVC flow | - | 
| Steering flow | - | 
| Tank capacity | - | 
| Hydraulic pressure | 2900 psi or 200.0 bar | 
| Max flow | - | 
| Drawbar type | - | 
| Claimed power | - | 
| Drawbar horsepower | 60.5 hp or 45.1 kW | 
| Fuel consumption | 4.9 gal/hour or 18.5 l/hour | 
| Pulling power | 8680 lbs or 3937 kg | 
| Claimed power | 70 hp or 52.2 kW | 
| Real power | 73.4 hp or 54.7 kW | 
| Engine @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 | 4.8 gal/hour or 18.2 l/hour | 
| Hitch system | electronic top-link draft control | 
| Rear hitch | II | 
| Rear hitch lift | 7285 lbs or 3304 kg | 
| Front hitch | - | 
| Front hitch lift | - | 
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Useful links and guides ....
- New Holland provided us with the latest version of its Boomer 40 service repair manual
 - Find All mechanical and electrical parts and accessories of New Holland Boomer 40 farm-tractor here
 
- Get your Challenger MT445B manual book version
 - Cabine, electrical And mechanical parts for Challenger MT445B farm-tractor here