Challenger 70C: all source data
All 63 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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| (no label) | Built in Peoria, Illinois, USA |
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Engine| (no label) | Caterpillar 10.5L 6-cyl diesel |
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Transmission| (no label) | 10-speed full power shift |
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Power| Engine | 285 hp | 212.5 kW |
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| Drawbar (claimed) | 225 hp | 167.8 kW |
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| PTO (claimed) | 250 hp | 186.4 kW |
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Mechanical| Drive | crawler |
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| (no label) | Power steering |
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| (no label) | Hydraulic wet disc brakes |
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| (no label) | Cab standard. |
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Capacity| Fuel | 209 gal | 791.1 L |
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| Hydraulic system | 29 gal | 109.8 L |
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Hydraulics| Type | closed center |
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| Capacity | 29 gal | 109.8 L |
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| Pressure | 2550 psi | 175.8 bar |
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| Valves | 4 |
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| Pump flow | 27 gpm | 102.2 lpm |
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| Pump flow | 35 gpm | 132.5 lpm |
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| Steering flow | 61.4 gpm | 232.4 lpm |
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| Steering press. | 6090 psi | 419.9 bar |
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Dimensions| Wheelbase | 107.1 inches | 272 cm |
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| Weight | 35685 lbs | 16186 kg |
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| (no label) | 30-inch tracks |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Charging amps | 115 |
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| Batteries | 2 |
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| Battery CCA | 750 |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | Caterpillar 3306 DITA |
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| (no label) | turbocharged intercooled diesel |
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| (no label) | 6-cylinder |
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| (no label) | liquid-cooled inline |
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| Displacement | 638 ci | 10.5 L |
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| Bore/Stroke | 4.75x6.00 inches | 121 x 152 mm |
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| Power | 285 hp | 212.5 kW |
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| Fuel system | direct injection |
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| Air cleaner | dual dry elements |
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| Pre-heating | ether injection |
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| Pre-heating | block heater |
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| Rated RPM | 2100 |
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| Starter | electric |
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| Starter volts | 12 |
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| Oil capacity | 27.5 qts | 26.0 L |
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| Coolant capacity (Coolant) | 60 qts | 56.8 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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| Oil capacity | 60 qts | 56.8 L |
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Dimensions
Tracks| Width | 30 inches | 76 cm |
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| Length on ground | 107.1 inches | 272 cm |
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| Area on ground | 6428 in² | 4.1 m² |
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| Ground pressure | 5.6 psi | 0.4 bar |
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Dimensions| Wheelbase | 107.1 inches | 272 cm |
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| Length | 232 inches | 589 cm |
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| Width | 120 inches | 304 cm |
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| Height (cab) | 128 inches | 325 cm |
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| Height (exhaust) | 144 inches | 365 cm |
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| Operating weight | 35685 lbs | 16186 kg |
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| Clearance (drawbar) | 15 inches | 38 cm |
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| Gauge | 90 inches | 228 cm |
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