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| info | |
| 1929 - 1932, Standard-tread tractor | |
| Previous model: | Rock Island G 15-25 |
| Production | |
| Manufacturer: | Rock Island |
| Factory: | Rock Island, Illinois, USA |
| Capacity | |
| Fuel: | 21 gal [79.5 L] |
| Aux. fuel: | 3.5 gal [13.2 L] |
| Dimensions & Tires | |
| Weight: | 4,200 lbs [1905 kg] |
| G2 15-25 Serial Numbers | |
| - Serial numbers unknown -, |
| Links | |
| G2 restoration site:, G2 at RIPC site: |
| Rock Island G2 15-25 Power | |
| Drawbar (claimed): | 15 hp [11.2 kW] |
| Belt (claimed): | 25 hp [18.6 kW] |
| Drawbar (tested): | 25.50 hp [19.0 kW] |
| Belt (tested): | 35.69 hp [26.6 kW] |
| Mechanical | |
| Chassis: | 4x2 2WD |
| Steering: | manual |
| Cab: | Open operator station. |
| info | |
| Bore/Stroke: | 4.25x5.75 inches [108 x 146 mm] |
| Rated RPM: | 1100 |
| Engine Detail | |
| Waukesha, kerosene, 4-cylinder, liquid-cooled, 326 ci [5.3 L] |
| info | |
| Previous model: | Rock Island G 15-25 |
| Transmission | |
| Type: | unsynchronized gear |
| Gears: | 2 forward and 1 reverse |
| info | |
| Previous model: | Rock Island G 15-25 |
| Dimensions | |
| Weight: | 4,200 lbs [1905 kg] |