Massey-Harris GP
Production ended · 4WD
Belt power · claimed
22 hp
Power
Power specifications| Engine | no record |
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| PTO | no record |
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| Drawbar | 15 hp claimed |
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| Drawbar, tested | 19.9 hp |
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| Belt pulley | 22 hp claimed |
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| Belt pulley, tested | 24.8 hp |
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| Listed power | 24 hp belt basis |
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| Plows rated | 2 |
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Engines
Engines fitted to the Massey-Harris GP 15/22| Hercules 3.7L 4-cyl gasolineGasoline · 4 cyl | 226 ci |
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| EngineGasoline · 4 cyl | 226 ci |
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Engine details
- Hercules 3.7L 4-cyl gasoline
- Bore × stroke
- 4 in × 4.5 in
- Rated speed
- 1,200 rpm
- Cooling
- liquid-cooled vertical L-head
- Engine
- Bore × stroke
- 4 in × 4.5 in
- Rated speed
- 1,200 rpm
- Cooling
- liquid-cooled
- Notes
- The overhead-valve (OHV) Hercules engine replaced the flathead OOC in 1936, the final year of the GP production.
Transmissions
Transmissions for the Massey-Harris GP 15/22| 3-speed geargear | 3F / 1R |
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Weight
Weight specifications| Weight | 3,900 lb unspecified |
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Dimensions
Dimensions specifications| Wheelbase | no record |
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| Length | 119 in |
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| Height | 55 in |
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| Ground clearance | 30 in |
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| Front tread, narrowest | 39.8 in |
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| Front tread, widest | 39.8 in |
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| Rear tread, narrowest | 39.8 in |
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| Rear tread, widest | 39.8 in |
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Capacities
Capacities specifications| Fuel tank | 14 gal |
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| Auxiliary fuel | 1.6 gal |
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Hydraulics
Hydraulics specifications| Pump flow | no record |
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Hitch
Hitch specifications| Rear lift capacity | no record |
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Chassis
Chassis specifications| Drive | 4WD |
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| Cab | Open operator station |
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Tires
Tires specifications| Front | 38x8 |
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| Rear | 38x8 |
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Production
Production specifications| Total built | 3,000 |
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| Factories | Racine, Wisconsin, USA |
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| Built by | Massey-Harris |
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