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Engine:
Hart-Parr Standard
Power:
22 HP (Engine) / HP (PTO)
Fuel Type:
Diesel
Production:
1920 - 1924
| Overview | |
|---|---|
| Summary | x1920 - 1924 Standard-tread tractor |
| Production | |
|---|---|
| Manufacturer | Hart-Parr |
| Summary | Standard-tread tractor / Built in Charles City, Iowa, USA / Original price was $1,195 in 1924 |
| Mechanical | |
|---|---|
| Summary | Two-wheel drive |
| Final drives | bull gear |
| Summary | Manual steering / Open operator station. |
| Engine options | |
|---|---|
| Summary | Hart-Parr 4.6L 2-cyl gasoline / Hart-Parr 5.1L 2-cyl |
| Engine Detail | |
|---|---|
| Summary | Hart-Parr / gasoline / 2-cylinder / liquid-cooled |
| Displacement | 281.4 ci 4.6 L |
| Bore/Stroke | 5.25x6.50 inches 133 x 165 mm |
| Rated RPM | 800 |
| Engine Detail | |
|---|---|
| Summary | Hart-Parr / 2-cylinder / liquid-cooled / The larger engine was used in the model 20C beginning at tractor serial number 35501. |
| Displacement | 309 ci 5.1 L |
| Bore/Stroke | 5.50x6.50 inches 140 x 165 mm |
| Transmission | |
|---|---|
| Type | gear |
| Gears | 2 forward and 1 reverse |
| Hart-Parr 20 Tires | |
|---|---|
| Ag front | 28x5 steel |
| Ag rear | 46x10 steel |
| Dimensions | |
|---|---|
| Weight | 4440 lbs 2013 kg |
| Nebraska Tractor Test 79 | |
|---|---|
| Summary | Kerosene 2-speed 2WD June 11 - 17, 1921 Link: Nebraska Tractor Test 79 file |
| Belt power (max) | 23.01 hp 17.2 kW |
| Summary | Drawbar performance |
| Max power | 14.08 hp 10.5 kW |
| Max pull | 2500 lbs 1134 kg |
Last Database Update: 1/15/2026