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| info | |
| 1940 - 1953, Orchard/Vineyard tractor |
| Production | |
| Manufacturer: | McCormick-Deering |
| Factory: | Rock Island, Illinois, USA |
| Total built: | 2,721 |
| Variants | |
| W-4: | standard |
| O-4: | orchard |
| OS-4: | orchard, without full sheet metal |
| Dimensions & Tires | |
| Weight: | 4320 lbs [1959 kg] |
| O-4 Serial Numbers | |
| Location: | Left side of tractor, on clutch housing. |
| McCormick-Deering O-4 Power | |
| Belt (claimed): | 24 hp [17.9 kW] (kerosene), 27.5 hp [20.5 kW] (gasoline) |
| Mechanical | |
| Chassis: | 4x2 2WD |
| Steering: | manual |
| Cab: | Open operator station |
| info | |
| Bore/Stroke: | 3.375x4.45 inches [86 x 113 mm] |
| Compression: | 5.9:1 (high-compression gasoline), 4.75:1 (gasoline-distillate), 4.5:1 (kerosene) |
| Rated RPM: | 1650 |
| Oil capacity: | 6 qts [5.7 L] |
| Engine Detail | |
| International Harvester, gasoline, 4-cylinder, liquid-cooled, 152 ci [2.5 L] |
| Transmission | |
| Type: | gear |
| Gears: | 5 forward and 1 reverse |
| Dimensions | |
| Weight: | 4320 lbs [1959 kg] |
| Length: | 120.9 inches [307 cm] |
| Width: | 60.25 inches [153 cm] |
| Height: | 60.25 inches [153 cm] |