Challenger MT645D: all source data
All 79 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | Challenger (a part of AGCO) |
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| (no label) | Row-Crop tractor |
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| (no label) | Built in Jackson, Minnesota, USA |
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| (no label) | Original price was $263,455 in 2013 |
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Engine| (no label) | AGCO Power 8.4L 6-cyl diesel |
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Transmission| (no label) | continuously variable transmission |
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Power| Engine (gross) | 240 hp | 179.0 kW |
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| PTO (claimed) | 205 hp | 152.9 kW |
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| Drawbar (tested) | 170.7 hp | 127.3 kW |
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| PTO (tested) | 250.8 hp | 187.0 kW |
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Mechanical| (no label) | Four-wheel drive |
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| Final drives | inboard planetary |
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| Differential lock | electro-hydraulic |
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| Steering | hydrostatic power |
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| (no label) | Hydraulic wet disc brakes |
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| Trailer brakes | pneumatic (optional) |
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| Trailer brakes | hydraulic (optional) |
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| (no label) | Cab standard with air-conditioning and OptiRide Plus hydraulic suspension AGCO System 150 (optional); AGCOMMAND (optional) |
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Capacity| Fuel | 167 gal | 632.1 L |
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| Exhaust fluid (DEF) | 16 gal | 60.6 L |
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| Hydraulic system | 29.1 gal | 110.1 L |
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Hydraulics| Type | closed center load sensing (CCLS) |
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| Capacity | 29.1 gal | 110.1 L |
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| Pressure | 2900 psi | 200.0 bar |
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| Valves | 4 to 6 |
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| SCV flow | 26.4 gpm | 99.9 lpm |
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| Total flow | 46 gpm | 174.1 lpm |
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Hitch| Rear Type | III |
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| Rear lift | 22760 lbs | 10323 kg |
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| Front Hitch | III (optional) |
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| Front lift (at ends) | 11000 lbs | 4989 kg |
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| Drawbar | Cat. 3 |
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| Drawbar | Cat. 3 Heavy-Duty (optional) |
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| Drawbar | Cat. 4 (optional) |
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Pto| Rear PTO | independent |
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| Clutch | electro-hydraulic |
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| Rear PTO Type | 1000/1000E (1.75) |
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| Rear PTO Type | 540E/1000/1000E (optional) |
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| Engine RPM | 540E@1577 |
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| Engine RPM | 1000E@1605 |
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| Engine RPM | 1000@1970 |
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Dimensions| Wheelbase | 122 inches | 309 cm |
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| Weight | 24250 lbs | 10999 kg |
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| Front tire | 480/70R34 |
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| Rear tire | 520/85R46 |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Charging amps | 240 |
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| Batteries | 2 |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | AGCO Power |
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| (no label) | turbocharged air-to-air intercooled diesel |
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| (no label) | 6-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 513.8 ci | 8.4 L |
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| Bore/Stroke | 4.370x5.709 inches | 111 x 145 mm |
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| Emissions | Interim Tier IV |
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| Emission control | selective catalytic reduction (SCR) |
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| Power (gross) | 240 hp | 179.0 kW |
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| Maximum Power | 270 hp | 201.3 kW |
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| Fuel system | electronic high-pressure common rail |
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| Pre-heating | thermostart |
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| Compression | 16.7:1 |
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| Rated RPM | 2100 |
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| Starter | electric |
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| Starter volts | 12 |
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Transmission
Transmission| Transmission | Techstar CVT |
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| Type | continuously variable transmission |
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| Gears | infinite forward and reverse |
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Dimensions
Tires| Standard tires (ag) | Front: 480/70R34. Rear: 520/85R46 |
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Dimensions| Wheelbase | 122 inches | 309 cm |
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| Length | 215.7 inches | 547 cm |
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| Height (cab) | 141 inches | 358 cm |
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| Shipping weight | 24250 lbs | 10999 kg |
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| Max weight (Max) | 33070 lbs | 15000 kg |
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| Front axle | 4WD |
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| Front axle | 4WD Quadlink Suspension |
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| Rear axle | 4.33 by 105 inches | 109 by 2667 mm |
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| Rear axle | 4.33 by 118 inches | 109 by 2997 mm |
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