Specifications
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| Model information | |
| Production years | 1930 - 1936 |
| Equipment type | Four-wheel Drive (4WD) tractor |
| Production | |
| Manufacturer | Massey-Harris |
| Equipment type | Four-wheel Drive (4WD) tractor |
| Built in | Built in Racine, Wisconsin, USA |
| Total built | 3,000 |
| Original price | $1,000 |
| Equipment type | The Massey-Harris 15/22 GP General Purpose tractor was the first Massey-Harris designed tractor. |
| Massey-Harris GP Engine | |
| Engine | Hercules 3.7L 4-cyl gasoline |
| Fuel tank | 14 gal 53.0 L |
| Aux. fuel | 1.6 gal 6.1 L |
| Details | Engine details ... |
| Massey-Harris GP Transmission | |
| Transmission | 3-speed gear |
| Details | Transmission details ... |
| Massey-Harris GP Power | |
| Drawbar (claimed) | 15 hp 11.2 kW |
| Belt (claimed) | 22 hp 16.4 kW |
| Plows | 2 (14-inch) |
| Drawbar (tested) | 19.91 hp 14.8 kW |
| Belt (tested) | 24.84 hp 18.5 kW |
| Details | Performance test details ... |
| Mechanical | |
| Drive | 4x4 4WD |
| Cab / ROPS | Open operator station. |
| Dimensions & Tires | |
| Weight | 3,900 lbs 1769 kg |
| Front tire | 38x8 |
| Rear tire | 38x8 |
| Details | Full dimensions and tires ... |
| GP Serial Numbers | |
| Location: | Left-rear of tractor frame. |
| 1930 | 300001 |
| 1936 | 303001 |
| Details | FAQ: How to read a serial number table. |
| Belt Pulley | |
| Diameter | 12.125 inches 30 cm |
| Width | 6.5 inches 16 cm |
| RPM | 802 |
| Speed | 2.546 ft/min 0.78 meters/min |
Values may vary by engine, transmission or configuration. View source page