Advance-Rumely
Advance-Rumely OilPull R 25/45
The Advance-Rumely OilPull R 25/45 is a standard-tread farm tractor produced from 1924 to 1927 by Advance-Rumely in La Porte, Indiana, USA. It features a Rumley 14.9L 2-cylinder kerosene engine with liquid cooling and a 3-speed gear transmission. The tractor delivers 25 hp drawbar power (claimed) and 45 hp belt power (claimed), with tested drawbar power of 35.54 hp and belt power of 50.57 hp. It has two-wheel drive and an open operator station. The tractor weighs 11,750 lbs and rides on steel tires sized 38.5x8 front and 57.5x18 rear.
Power50 hp[B]
Founded1924 - 1927
ModelOilPull R 25/45
Technical Specifications
Detailed specifications and technical data for Advance-Rumely OilPull R 25/45
Power
| Belt (tested) | 50.57 hp (37.7 kW) |
|---|---|
| Belt (claimed) | 45 hp (33.6 kW) |
| Drawbar (tested) | 35.54 hp (26.5 kW) |
| Drawbar (claimed) | 25 hp (18.6 kW) |
Tires
| Rear tire | 57.5x18 steel |
|---|---|
| Front tire | 38.5x8 steel |
Engine
| Model | Rumley |
|---|---|
| Cooling | liquid-cooled horizontal |
| Aux. fuel | 1.25 gal (4.7 L) |
| Cylinders | 2-cylinder |
| Fuel tank | 31 gal (117.3 L) |
| Fuel type | kerosene |
| Rated RPM | 540 |
| Bore/Stroke | 7.8125x9.50 inches (198 x 241 mm) |
| Displacement | 910.8 ci (14.9 L) |
| Coolant capacity | 92 qts (87.1 L) |
Dimensions
| Width | 82 inches (208 cm) |
|---|---|
| Height | 107 inches (271 cm) |
| Length | 167 inches (424 cm) |
| Weight | 11750 lbs (5329 kg) |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Operator station | Open operator station |
Production
| Type | Standard-tread tractor |
|---|---|
| Built in | La Porte, Indiana, USA |
| Years made | 1924 - 1927 |
| Total built | 761 |
| Manufacturer | Advance-Rumely |
Transmission
| Type | gear |
|---|---|
| Gears | 3 forward and 1 reverse |
Serial Numbers
| 1924 | 1 |
|---|---|
| 1925 | 2 |
| 1926 | 139 |
| 1927 | 648 |
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