Challenger MT445B
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| Production | |
| Manufacturer | Challenger (a part of AGCO) |
| Utility tractor | |
| Built in Beauvais, France | |
| The Challenger MT445B is similar to the Massey Ferguson 5445. | |
| Challenger MT445B Engine | |
| Caterpillar 4.4L 4-cyl diesel | |
| Fuel tank | 40 gal 151.4 L |
 Engine details ... | |
| Challenger MT445B Transmission | |
| 16-speed four speed power shift | |
 Transmission details ... |
| Challenger MT445B Power | |
| Engine | 85 hp 63.4 kW |
| PTO (claimed) | 70 hp 52.2 kW |
| Drawbar (tested) | 60.5 hp 45.1 kW |
| PTO (tested) | 75.9 hp 56.6 kW |
 Performance test details ... | |
| Mechanical | |
| Two- or four-wheel drive | |
| Final drives | inboard planetary |
| Differential lock | electro-hydraulic |
| Steering | hydrostatic power |
| Hydraulic wet disc brakes | |
| ROPS. Cab optional with air-conditioning. | |
| Photos | |
| No photos of the Challenger MT445B are currently available. To submit yours, email it to Peter@TractorData.com. Photos may only be used with the permission of the original photographer. | |
| Hydraulics | |
| ROPS Type | open center |
| Cab Type | closed center load sensing |
| Pressure | 2900 psi 200.0 bar |
| Valves | 2 to 4 |
| Pump flow | 26.4 gpm (open center) 99.9 lpm |
| 29 gpm (CCLS) 109.8 lpm | |
| Tractor hitch | |
| Rear Type | II |
| Control | electronic top-link draft control |
| Rear lift (at 24"/610mm) | 7285 lbs 3304 kg |
| Rear Arms | telescopic stabilizers and link ends |
| Power Take-off (PTO) | |
| Rear PTO | independent |
| Clutch | electro-hydraulic wet disc |
| Rear PTO Type | 540/1000 |
| 540/540E/1000/1000E | |
| Dimensions & Tires | |
| Wheelbase | 97 inches 246 cm |
| Weight | 8840 to 9445 pounds |
| Front tire | 10.00-16 |
| Rear tire | 480/70R38 |
 Full dimensions and tires ... | |
| Electrical | |
| Ground | negative |
| Battery volts | 12 |
| References | |
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| Challenger MT400B Product Information Guide published in 2003, by AGCO | |
| Challenger MT400B Series published in 2004, by AGCO | |
| Challenger Specialty Wheel Tractors published in 2007 |
| Page information | |
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| Copyright 2024 TractorData.com® | |
| TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999. | |
| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on August 10, 2018 |