Oliver OC-12: all source data
All 59 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 | Oliver |
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| (no label) | Agricultural Crawler tractor |
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| (no label) | Built in Cleveland, Ohio, USA |
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Engine| (no label) | Hercules 5.6L 6-cyl gasoline |
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| (no label) | Hercules 4.9L 6-cyl diesel |
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| Fuel tank | 35 gal | 132.5 L |
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Transmission| (no label) | 4-speed gear |
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Power| Engine | 63 hp | 47.0 kW |
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| Drawbar (claimed) | 53 hp | 39.5 kW |
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| Belt (claimed) | 59 hp | 44.0 kW |
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| Drawbar (tested) | 50.83 hp | 37.9 kW |
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| Belt (tested) | 57.93 hp | 43.2 kW |
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Mechanical| Drive | crawler |
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| (no label) | Open operator station. |
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Dimensions| Weight | 10925 lbs | 4955 kg |
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| (no label) | 14-inch tracks |
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Engine
Engine options| (no label) | Hercules 5.6L 6-cyl gasoline |
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| (no label) | Hercules 4.9L 6-cyl diesel |
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Engine detail| (no label) | Hercules JXLD |
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| (no label) | gasoline |
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| (no label) | 6-cylinder |
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| (no label) | liquid-cooled vertical L-head |
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| (no label) | vertical L-head |
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| Displacement | 339 ci | 5.6 L |
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| Bore/Stroke | 4.00x4.50 inches | 102 x 114 mm |
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| Power | 63 hp | 47.0 kW |
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| Compression | 6.25:1 |
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| Rated RPM | 1750 |
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| Starter volts | 6 |
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| Coolant capacity (Coolant) | 24 qts | 22.7 L |
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| (no label) | Hercules DJXC |
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| (no label) | diesel |
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| (no label) | 6-cylinder |
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| (no label) | liquid-cooled vertical I-head |
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| Displacement | 298 ci | 4.9 L |
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| Bore/Stroke | 3.75x4.50 inches | 95 x 114 mm |
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| Power | 61.5 hp | 45.9 kW |
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| Compression | 15.5:1 |
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| Rated RPM | 1750 |
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| Starter volts | 12 |
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| Oil capacity | 12 qts | 11.4 L |
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| Coolant capacity (Coolant) | 20 qts | 18.9 L |
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Transmission
Transmission| Type | gear |
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| Gears | 4 forward and 2 reverse |
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| Oil capacity | 32 qts | 30.3 L |
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Dimensions
Tracks| 4-roller width (4-roller) | 14 inches | 35 cm |
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| 4-roller length on ground | 67.75 inches | 172 cm |
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| 4-roller area on ground | 1897 in² | 1.2 m² |
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| 5-roller width (5-roller) | 14 inches | 35 cm |
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| 5-roller length on ground | 71.5 inches | 181 cm |
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| 5-roller area on ground | 2002 in² | 1.3 m² |
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Dimensions| Length | 109.75 inches | 278 cm |
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| Width | 58 inches (44 gauge) | 147 cm |
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| Width | 76 inches (60 gauge) | 193 cm |
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| Height | 66.5 inches | 168 cm |
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| Weight | 10925 lbs (diesel) | 4955 kg |
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| Ground clearance | 14.1 inches | 35 cm |
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| Gauge | 44 inches | 111 cm |
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| Gauge | 60 inches | 152 cm |
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