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| info | |
| 1923 - 1927, Standard-tread tractor | |
| Previous model: | Wallis K 15-25 |
| Next model: | Wallis 20-30 |
| Production | |
| Manufacturer: | J.I. Case Plow Works |
| Factory: | Racine, Wisconsin, USA |
| Dimensions & Tires | |
| Weight: | 3,630 lbs [1646 kg] |
| Front tire: | 30x8 |
| Rear tire: | 48x12 |
| OK 15-27 Serial Numbers | |
| - Serial numbers unknown - |
| Wallis OK 15-27 Power | |
| Drawbar (claimed): | 15 hp [11.2 kW] |
| Belt (claimed): | 27 hp [20.1 kW] |
| Drawbar (tested): | 18.15 hp [13.5 kW] |
| Belt (tested): | 28.60 hp [21.3 kW] |
| Mechanical | |
| Chassis: | 4x2 2WD |
| Steering: | manual |
| Belt Pulley | |
| Diameter: | 18.5 inches [46 cm] |
| Width: | 7 inches [17 cm] |
| RPM: | 475 |
| Speed: | 2,300 ft/min [701.04 meters/min] |
| info | |
| Bore/Stroke: | 4.25x5.75 inches [108 x 146 mm] |
| Rated RPM: | 1000 |
| Starter type: | hand-crank |
| Engine Detail | |
| Wallis, gasoline, 4-cylinder, liquid-cooled, 326.3 ci [5.3 L] |
| info | |
| Previous model: | Wallis K 15-25 |
| Next model: | Wallis 20-30 |
| Transmission | |
| Type: | gear |
| Gears: | 2 forward and 1 reverse |
| info | |
| Previous model: | Wallis K 15-25 |
| Next model: | Wallis 20-30 |
| Dimensions | |
| Weight: | 3,630 lbs [1646 kg] |
| Length: | 132 inches [335 cm] |
| Width: | 61 inches [154 cm] |
| Height: | 65 inches [165 cm] |
| Wallis OK 15-27 Tires | |
| Ag front: | 30x8 (steel) |
| Ag rear: | 48x12 (steel) |