Production
| Description | Standard-tread tractor / Built in Charles City, Iowa, USA |
|---|---|
| Manufacturer | Hart-Parr (a part of Oliver) |
Engine
| Engine type | Hart-Parr 7.3L 4-cyl kerosene |
|---|---|
| Fuel tank | 34 gal (128.7 L) |
| Bore/Stroke | 4.75x6.25 inches (121 x 159 mm) |
| Coolant capacity | 42 qts (39.7 L) |
| Description | Hart-Parr / kerosene / 4-cylinder / liquid-cooled |
| Displacement | 443 ci (7.3 L) |
| Rated RPM | 1125 |
| Belt (claimed) | 44 hp (32.8 kW) |
| Belt (tested) | 49.04 hp (36.6 kW) |
| Drawbar (claimed) | 22 hp (16.4 kW) |
| Drawbar (tested) | 34.21 hp (25.5 kW) |
| Plows | 3-5 |
Transmission
| Gears | 3 forward and 1 reverse |
|---|---|
| Transmission type | 3-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Manual steering |
| Drive type | Two-wheel drive |
PTO
| Rear PTO Type | 540 |
|---|
Dimensions & Tires
| Height (hood) | 59.5 inches (151 cm) |
|---|---|
| Length | 125.75 inches (319 cm) |
| Operating weight | 6415 lbs (2909 kg) |
| Shipping weight | 5565 lbs (2524 kg) |
| Wheelbase | 80 inches (203 cm) |
| Width | 65 inches (165 cm) |
| Front tire | 29x6 |
| Rear tire | 46x12 (steel) |
| Weight | 5565 to 6415 pounds |
| Wheelbase | 80 inches (203 cm) |
| Ag front | 29x6 (steel) |
| Ag rear | 46x12 (steel) |
28-44 Serial Numbers
| 1930 | 500001 |
|---|---|
| 1931 | 503599 |
| 1932 | 506185 |
| 1933 | 506212 |
| 1934 | 506255 |
| 1935 | 506401 |
| 1936 | 507176 |
| 1937 | 508016 |
| Description | FAQ: How to read a serial number table. |
| Final | 508917 |
Belt Pulley
| Diameter | 16.75 inches (42 cm) |
|---|---|
| RPM | 596 |
| Speed | 2600 ft/min (792.48 meters/min) |
| Width | 8.25 inches (20 cm) |
Nebraska Tractor Test 183
| Belt fuel use (max) | 4.9 gal/hour (18.5 l/hour) |
|---|---|
| Belt power (max) | 49.04 hp (36.6 kW) |
| Description | Kerosene 3-speed 2WDOctober 13 - 27, 1930Link: Nebraska Tractor Test 183 file / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test. |
| Max power | 34.21 hp (25.5 kW) |
| Max pull | 5,116 lbs (2320 kg) |
References
| Description | Oliver Hart-Parr Tractors published in 1930 |
|---|