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Engine:
Massey-Harris Standard
Power:
35 HP (Engine) / HP (PTO)
Fuel Type:
Diesel
Production:
1936 - 1939
| Overview | |
|---|---|
| Summary | x1936 - 1939 Row-Crop tractor |
| Production | |
|---|---|
| Manufacturer | Massey-Harris |
| Summary | Row-Crop tractor / Built in Racine, Wisconsin, USA |
| Total built | 14,000 |
| Summary | The Massey-Harris Challenger was the row-crop version of the Pacemaker. These tractors replaced the Wallis 12/20 in Massey's line. The Twin Power feature increased engine rpms to provide additional horsepower for belt work. |
| Mechanical | |
|---|---|
| Summary | Two-wheel drive |
| Steering | manual |
| Summary | Open operator station. |
| Engine Detail | |
|---|---|
| Summary | Massey-Harris / gasoline / 4-cylinder / liquid-cooled vertical I-head |
| Displacement | 247.7 ci 4.1 L |
| Bore/Stroke | 3.875x5.25 inches 98 x 133 mm |
| Rated RPM | 1200 |
| 1400 * Twin Power option. | |
| Coolant capacity | 20 qts 18.9 L |
| Transmission | |
|---|---|
| Type | gear |
| Gears | 4 forward and 1 reverse |
| Massey-Harris Challenger Tires | |
|---|---|
| Ag front | 24x4.50 (steel) |
| Ag rear | 52x8.00 (steel) |
| Ag front | 5.50x16 |
| Ag rear | 11.25x36 |
| Dimensions | |
|---|---|
| Wheelbase | 78 inches 198 cm |
| Length | 129.3 inches 328 cm |
| Height | 58 inches 147 cm |
| Weight | 3900 lbs 1769 kg |
| Nebraska Tractor Test 293 | |
|---|---|
| Summary | Gasoline October 1937 |
| Belt power (max) | 34.9 hp 26.0 kW |
| Belt fuel use (max) | 3.7 gal/hour 14.0 l/hour |
| Summary | Drawbar performance |
| Max power | 29.8 hp 22.2 kW |
Last Database Update: 7/31/2025