Caterpillar R4: all source data
All 20 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 | 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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| (no label) | The Caterpillar R4 was a continuation of the model Thirty. |
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Engine| (no label) | Caterpillar 7.6L 4-cyl gasoline |
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Transmission| (no label) | 5-speed gear |
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Power| Drawbar (tested) | 30.88 hp | 23.0 kW |
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| Belt (tested) | 36.37 hp | 27.1 kW |
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Mechanical| Drive | crawler |
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| (no label) | Open operator station. |
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Dimensions| (no label) | Tracks |
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Engine
Engine detail| (no label) | Caterpillar |
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| (no label) | gasoline |
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| (no label) | 4-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 461 ci | 7.6 L |
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| Bore/Stroke | 4.75x6.50 inches | 121 x 165 mm |
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| Rated RPM | 1400 |
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Transmission
Transmission| Type | gear |
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| Gears | 5 forward and 1 reverse |
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