Introduction
Advance-Rumely OilPull R 25/45
The Advance-Rumely OilPull R 25/45 is a standard-tread agricultural tractor produced between 1924 and 1927 in La Porte, Indiana, USA. With a total production run of 761 units, this machine represents a significant era in early 20th-century tractor engineering, characterized by heavy-duty construction and specialized fuel systems.
Engine Specifications
The tractor is powered by a 2-cylinder, liquid-cooled horizontal engine designed to operate on kerosene. It features a displacement of 910.8 cubic inches (14.9 liters) with a bore and stroke of 198 x 241 mm. The engine operates at a rated speed of 540 RPM and utilizes a cooling system with a capacity of 87.1 liters.
Transmission and Drivetrain
The OilPull R 25/45 utilizes a gear-type transmission providing 3 forward gears and 1 reverse gear, allowing for basic speed selection during field operations. Power is delivered through a two-wheel drive system, typical for tractors of this period.
Dimensions and Chassis
Built for stability and traction, the tractor measures 424 cm in length, 208 cm in width, and stands 271 cm high. The machine has a total weight of 5,329 kg. It is equipped with steel agricultural wheels, featuring 38.5x8 dimensions at the front and 57.5x18 at the rear. The operator station is of the open-platform design.
Conclusion
With a power rating of 50 hp, the Advance-Rumely OilPull R 25/45 was engineered for heavy-duty traction and field work. Its robust construction and specific engine configuration make it a notable subject for agricultural machinery historians and vintage tractor collectors.
Production Information of Advance-Rumely, OilPull R 25/45
- Standard-tread tractor
- Built in La Porte, Indiana, USA
| Manufacturer | Advance-Rumely |
|---|---|
| Total built | 761 |
Dimension and Tires Information of Advance-Rumely, OilPull R 25/45
| Length | 167 inches [424 cm] |
|---|---|
| Weight | 11750 lbs [5329 kg] |
| Width | 82 inches [208 cm] |
| Height | 107 inches [271 cm] |
| Ag front | 38.5x8 steel |
|---|---|
| Ag rear | 57.5x18 steel |
Engine Specifications of Advance-Rumely, OilPull R 25/45
- Rumley
- Liquid-cooled horizontal
- Kerosene
- 2-cylinder
| Rated RPM | 540 |
|---|---|
| Displacement | 910.8 ci [14.9 L] |
| Coolant capacity | 92 qts [87.1 L] |
| Bore/Stroke | 7.8125x9.50 inches [198 x 241 mm] |
Transmission Information of Advance-Rumely, OilPull R 25/45
Transmission variants 1
| Type | Gear |
|---|---|
| Gears | 3 forward and 1 reverse |
Mechanical Specs of Advance-Rumely, OilPull R 25/45
- Two-wheel drive
- Open operator station.
Power Information of Advance-Rumely, OilPull R 25/45
- Https://www.tractordata.com/farm-tractors/001/2/3/1236-advance-rumely-oilpull-r-2545-tests.html
Where it sits
With 50 hp[B] HP, the Advance-Rumely OilPull R 25/45 sits between 6A (47 HP) and OilPull Y 30/50 (55 HP) in Advance-Rumely's range. Its power puts it in the 86th percentile of 1920s models in our database (181 machines).
Frequently asked questions
How much horsepower does the Advance-Rumely OilPull R 25/45 have?
The Advance-Rumely OilPull R 25/45 delivers 50 hp[B] HP.
What years was the Advance-Rumely OilPull R 25/45 produced?
The Advance-Rumely OilPull R 25/45 was produced in 1924-1927.
What engine does the Advance-Rumely OilPull R 25/45 have?
The Advance-Rumely OilPull R 25/45 is powered by a 2-cylinder engine.
What transmission does the Advance-Rumely OilPull R 25/45 use?
The Advance-Rumely OilPull R 25/45 uses a Gear transmission.
How much does the Advance-Rumely OilPull R 25/45 weigh?
The Advance-Rumely OilPull R 25/45 weighs 11750 lbs [5329 kg].
Is the Advance-Rumely OilPull R 25/45 4WD?
The Advance-Rumely OilPull R 25/45 is available in 2WD.