Challenger MT645D
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| Production | |
| Manufacturer | Challenger (a part of AGCO) |
| Row-Crop tractor | |
| Built in Jackson, Minnesota, USA | |
| Original price was $263,455 in 2013 | |
| Variants | |
| 8650 | similar Massey Ferguson model |
| Challenger MT645D Engine | |
| AGCO Power 8.4L 6-cyl diesel | |
 Engine details ... |
| Challenger MT645D Transmission | |
| continuously variable transmission | |
 Transmission details ... |
| Challenger MT645D Power | |
| Engine (gross) | 240 hp 179.0 kW |
| PTO (claimed) | 205 hp 152.9 kW |
| Drawbar (tested) | 170.7 hp 127.3 kW |
| PTO (tested) | 250.8 hp 187.0 kW |
 Performance test details ... | |
| Mechanical | |
| Four-wheel drive | |
| Final drives | inboard planetary |
| Differential lock | electro-hydraulic |
| Steering | hydrostatic power |
| Hydraulic wet disc brakes | |
| Trailer brakes | pneumatic (optional) |
| hydraulic (optional) | |
| Cab standard with air-conditioning and OptiRide Plus hydraulic suspension AGCO System 150 (optional); AGCOMMAND (optional) | |
| Photos | |
| No photos of the Challenger MT645D are currently available. To submit yours, email it to Peter@TractorData.com. Photos may only be used with the permission of the original photographer. | |
| Capacity | |
| Fuel | 167 gal 632.1 L |
| Exhaust fluid (DEF) | 16 gal 60.6 L |
| Hydraulic system | 29.1 gal 110.1 L |
| Hydraulics | |
| Type | closed center load sensing (CCLS) |
| Capacity | 29.1 gal 110.1 L |
| Pressure | 2900 psi 200.0 bar |
| Valves | 4 to 6 |
| SCV flow | 26.4 gpm 99.9 lpm |
| Total flow | 46 gpm 174.1 lpm |
| Tractor hitch | |
| Rear Type | III |
| Rear lift | 22760 lbs 10323 kg |
| Front Hitch | III (optional) |
| Front lift (at ends) | 11000 lbs 4989 kg |
| Drawbar | Cat. 3 |
| Cat. 3 Heavy-Duty (optional) | |
| Cat. 4 (optional) | |
| Power Take-off (PTO) | |
| Rear PTO | independent |
| Clutch | electro-hydraulic |
| Rear RPM | 1000/1000E (1.75) |
| 540E/1000/1000E (optional) | |
| Engine RPM | 540E@1577 1000E@1605 1000@1970 |
| Dimensions & Tires | |
| Wheelbase | 122 inches 309 cm |
| Weight | 24250 lbs 10999 kg |
| Front tire | 480/70R34 |
| Rear tire | 520/85R46 |
 Full dimensions and tires ... | |
| Electrical | |
| Ground | negative |
| Charging system | alternator |
| Charging amps | 240 |
| Batteries | 2 |
| Battery volts | 12 |
| References | |
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| Challenger MT600D Series published in 2011, by AGCO |
| Page information | |
| Contact: Peter Easterlund | |
| Updated on October 21, 2022 | |
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