Challenger MT851: all source data
All 48 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) | Agricultural Crawler tractor |
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Engine| (no label) | MAN 15.3L 6-cyl diesel |
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| Fuel tank | 350 gal | 1324.8 L |
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| Exhaust fluid (DEF) | 35.7 gal | 135.1 L |
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Transmission| (no label) | continuously-variable transmission |
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Power| Engine (gross) | 504.2 hp | 376.0 kW |
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Mechanical| Drive | crawler |
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| (no label) | Cab standard with air-conditioning. |
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Hydraulics| Type | closed center pressure-flow compensated |
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| Pressure | 2900 psi | 200.0 bar |
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| Rear valves | 4 to 8 |
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| Pump flow | 58.1 gpm | 219.9 lpm |
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| Pump flow | 116.2 gpm | 439.8 lpm |
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Pto| Rear PTO | independent |
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| Rear PTO Type | 1000/1000E |
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Dimensions| Wheelbase | 118 inches | 299 cm |
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| Weight | 42000 lbs | 19051 kg |
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| (no label) | Tracks |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Charging amps | 325 |
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| Batteries | 3 |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | MAN D3876 |
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| (no label) | turbocharged diesel |
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| (no label) | 6-cylinder |
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| (no label) | liquid-cooled inline |
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| Displacement | 933.7 ci | 15.3 L |
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| Bore/Stroke | 5.43x6.69 inches | 138 x 170 mm |
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| Rated Power (gross) | 504.2 hp | 376.0 kW |
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| Rated RPM | 1730 |
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| Torque | 1844 lb-ft | 2500.5 Nm |
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| Torque RPM | 1450 |
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| Starter | electric |
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| Starter volts | 24 |
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| Oil change | 500 h |
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Transmission
Transmission| Transmission | Accu-VT |
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| Type | continuously-variable transmission |
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| Gears | infinite forward and reverse |
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Dimensions
Dimensions| Wheelbase | 118 inches | 299 cm |
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| Length | 266 inches | 675 cm |
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| Width | 116.1 inches | 294 cm |
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| Height | 148 inches | 375 cm |
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| Weight | 42000 lbs | 19051 kg |
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| Max weight (Max) | 59000 lbs | 26762 kg |
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| Ground clearance | 14.1 inches | 35 cm |
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| Gauge | 88 to 128 inches | 223 to 325 cm |
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