Challenger MT845B: all source data
All 60 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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| (no label) | Built in Jackson, Minnesota, USA |
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Engine| (no label) | Caterpillar 15.2L 6-cyl diesel |
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| Fuel tank | 305 gal | 1154.4 L |
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| Fuel tank | 330 gal | 1249.0 L |
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Transmission| (no label) | 16-speed full power shift |
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Power| Engine (gross) | 400 hp | 298.3 kW |
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| PTO (claimed) | 335 hp | 249.8 kW |
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| Drawbar (tested) | 313.27 hp | 233.6 kW |
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| PTO (tested) | 402.32 hp | 300.0 kW |
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Mechanical| Drive | crawler |
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| (no label) | Hydraulic wet disc brakes |
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| (no label) | Cab standard with air-conditioning. |
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Hydraulics| Type | closed center PFC |
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| Pressure | 2900 psi | 200.0 bar |
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| Rear valves | 4 to 6 |
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| Total flow | 43.5 gpm | 164.6 lpm |
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| Total flow | 59 gpm | 223.3 lpm |
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Hitch| Rear Type | III/IVN |
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| Rear lift | 19500 lbs | 8845 kg |
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Pto| Rear PTO | independent |
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| Rear PTO Type | 1000 (1.75) |
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Dimensions| Wheelbase | 118 inches | 299 cm |
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| Weight | 41000 to 43075 pounds |
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| (no label) | 27.5-inch tracks |
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Electrical| Ground | negative |
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| Charging amps | 185 |
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| Batteries | 4 |
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| Battery CCA | 1000 |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | Caterpillar C15 |
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| (no label) | turbocharged diesel |
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| (no label) | 6-cylinder 24-valve |
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| (no label) | liquid-cooled inline |
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| Displacement | 928 ci | 15.2 L |
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| Bore/Stroke | 5.402x6.752 inches | 137 x 172 mm |
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| Emissions | Tier III |
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| Power (gross) | 400 hp | 298.3 kW |
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| Air cleaner | dual paper elements |
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| Compression | 16.5:1 |
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| Rated RPM | 2100 |
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| Torque | 1423 lb-ft | 1929.6 Nm |
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| Torque RPM | 1300 |
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| Starter volts | 12 |
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Transmission
Transmission| Transmission | Cat Powershift |
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| Type | full power shift |
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| Gears | 16 forward and 4 reverse |
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| Clutch | hydraulic wet disc |
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Dimensions
Tracks| Width | 27.5 inches | 69 cm |
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| Width | 30 inches | 76 cm |
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| Width | 36 inches | 91 cm |
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Dimensions| Wheelbase | 118 inches | 299 cm |
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| Length | 265.9 inches | 675 cm |
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| Width | 140.9 inches | 357 cm |
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| Height | 138.1 inches | 350 cm |
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| Ground clearance | 14.4 inches | 36 cm |
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Weight| Shipping | 41000 lbs | 18597 kg |
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| Operating | 43075 lbs | 19538 kg |
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| Max capacity (Max) | 50000 lbs | 22680 kg |
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