| Production | |
| Manufacturer | Massey-Harris |
| Four-wheel Drive (4WD) tractor | |
| Built in Racine, Wisconsin, USA | |
| Total built | 3,000 |
| Original price | $1,000 |
| The Massey-Harris 15/22 GP General Purpose tractor was the first Massey-Harris designed tractor. | |
| Massey-Harris GP Engine | |
| Hercules 3.7L 4-cyl gasoline | |
| Fuel tank | 14 gal 53.0 L |
| Aux. fuel | 1.6 gal 6.1 L |
| Massey-Harris GP Transmission | |
| 3-speed gear | |
| 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 |
| Mechanical | |
| Drive | 4x4 4WD |
| Open operator station. | |
| Photos | |
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| Dimensions & Tires | |
| Weight | 3,900 lbs 1769 kg |
| Front tire | 38x8 |
| Rear tire | 38x8 |
| GP Serial Numbers | |
| Location: | Left-rear of tractor frame. |
| 1930 | 300001 |
| 1936 | 303001 |
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 |
| Page information | |
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| TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999. | |
| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on August 14, 2014 |