| Production | |
| Manufacturer | Oliver |
| Agricultural Crawler tractor | |
| Built in Cleveland, Ohio, USA | |
| Oliver OC-4 Engines | |
| Hercules 2.1L 3-cyl diesel | |
| Herclues 2.1L 3-cyl gasoline | |
| Fuel tank | 11 gal 41.6 L |
| Oliver OC-4 Transmission | |
| 4-speed gear | |
| Oliver OC-4 Power | |
| Engine | 30.45 hp 22.7 kW |
| Gas Drawbar (claimed) | 24.05 hp 17.9 kW |
| Diesel Drawbar (claimed) | 24.75 hp 18.5 kW |
| Gas Belt (claimed) | 26.47 hp 19.7 kW |
| Diesel Belt (claimed) | 27.31 hp 20.4 kW |
| Drawbar (tested) | 24.15 hp 18.0 kW |
| Belt (tested) | 26.08 hp 19.4 kW |
| Mechanical | |
| Drive | crawler |
| Photos | |
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| Power Take-off (PTO) | |
| Rear PTO Type | 540 (1.375) |
| Dimensions & Tracks | |
| Weight | 4720 to 5000 pounds |
| 10-inch tracks | |
| References | |
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| Model OC-4 42" Crawler Tractor published in 1963, by Oliver | |
| OC-4 Crawler - OC-46 Loader Series B published in 1963, by Oliver |
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on January 27, 2023 |