Challenger 75: all source data
All 43 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 Caterpillar) |
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| (no label) | Agricultural Crawler tractor |
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Engine| (no label) | Caterpillar 10.3L 6-cyl diesel |
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| Fuel tank | 220 gal | 832.7 L |
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Transmission| (no label) | 10-speed full power shift |
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Power| Engine | 325 hp | 242.4 kW |
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| Drawbar (claimed) | 260 hp | 193.9 kW |
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| PTO (claimed) | 281 hp | 209.5 kW |
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| Drawbar (tested) | 251.01 hp | 187.2 kW |
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| PTO (tested) | 301.85 hp | 225.1 kW |
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Mechanical| Drive | crawler |
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| Steering | hydrostatic differential steering |
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| (no label) | Hydraulic caliper disc brakes |
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| (no label) | Cab standard |
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Hydraulics| Type | closed |
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| Valves | 4 |
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| Pump flow | 26 gpm | 98.4 lpm |
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Dimensions| Wheelbase | 106 inches | 269 cm |
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| Weight | 34,370 lbs | 15590 kg |
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| (no label) | 27.5-inch tracks |
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Engine
Engine detail| (no label) | Caterpillar |
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| (no label) | turbocharged diesel |
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| (no label) | 6-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 629 ci | 10.3 L |
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| Bore/Stroke | 4.92x5.5 inches | 125 x 140 mm |
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| Power | 325 hp | 242.4 kW |
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| Compression | 16:1 |
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| Rated RPM | 2100 |
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| Starter volts | 12 |
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| Coolant capacity (Coolant) | 44 qts | 41.6 L |
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Transmission
Transmission| Type | full power shift |
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| Gears | 10 forward and 2 reverse |
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Dimensions
Tracks| Width | 27.5 inches | 69 cm |
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| Length on ground | 107 inches | 271 cm |
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| Area on ground | 5898 in² | 3.8 m² |
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| Ground pressure | 5.4 psi | 0.4 bar |
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| Width | 24.5 inches | 62 cm |
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| Width | 35.5 inches | 90 cm |
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Dimensions| Wheelbase | 106 inches | 269 cm |
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| Operating weight | 34,370 lbs | 15590 kg |
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