Massey-Harris 21 Colt
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| Production | |
| Manufacturer | Massey-Harris |
| Row-Crop tractor | |
| Built in Racine, Wisconsin, USA | |
| The Massey-Harris 21 Colt was essentially the model 20, updated with new sheet metal. | |
| Massey-Harris 21 Colt Engine | |
| Continental 2.0L 4-cyl gasoline | |
 Engine details ... |
| Massey-Harris 21 Colt Power | |
| Drawbar (claimed) | 21.6 hp 16.1 kW |
| Belt (claimed) | 28.34 hp 21.1 kW |
| Plows | 2 (14-inch) |
| Mechanical | |
| Two-wheel drive | |
| Final drives | bevel gear |
| Steering | manual |
| Open operator station. | |
| Tractor hitch | |
| Rear Type | I (optional) |
| Power Take-off (PTO) | |
| Rear PTO | transmission |
| Rear PTO Type | 540 |
| Dimensions & Tires | |
| Wheelbase | 82.7 inches 210 cm |
| Front tire | 4x15 |
| Rear tire | 10x28 |
 Full dimensions and tires ... | |
| 21 Colt Serial Numbers | |
| 1952 | 1001 |
| 1953 | 1417 |
| 1954 | 2669 |
FAQ: How to read a serial number table. | |
| Belt Pulley | |
| Diameter | 9.5 inches 24 cm |
| Width | 6.25 inches 15 cm |
| RPM | 1224 |
| Speed | 3044 ft/min 927.81 meters/min |
| References | |
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| Power For Your Farm published in 1953, by Massey-Harris | |
| Massey-Harris Tractors published in 1954 |
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on March 1, 2021 |