Advance-Rumely OilPull R 25/45 - Horsepower, Weight, Specs, Problems, Price & More

The Advance-Rumely OilPull R 25/45 tractor is powered by a Rumley 14.9L 2-cyl kerosene engine that provides of horsepower and torque. It has a 4x2 2WD drive configuration and a gear transmission.

• Engine
• Transmission
• Brakes
• Steering
• Common Problems
• What Users Like
• Technical Specifications

Engine

The engine is not specified in the data provided. However, based on the model name, Advance-Rumely OilPull R 25/45, it is likely that the tractor is powered by a kerosene engine. Kerosene engines were commonly used in tractors during the early 20th century due to their low cost and availability. These engines typically have a lower horsepower output compared to modern diesel engines, but they are reliable and easy to maintain. The engine is likely liquid-cooled and may have a displacement of around 14.9 liters.

Transmission

The transmission of the Advance-Rumely OilPull R 25/45 tractor is a 3-speed gear system. The drawbar horsepower of the transmission is claimed to be 25 hp/18.6 kW, while the belt horsepower is claimed to be 45 hp/33.6 kW. In testing, the drawbar horsepower was found to be 35.54 hp/26.5 kW, and the belt horsepower was found to be 50.57 hp/37.7 kW. The transmission is likely a manual system, which requires the operator to shift gears manually. This type of transmission is simple and reliable, but it may not be as efficient as modern automatic transmissions.

Brakes

The brakes of the Advance-Rumely OilPull R 25/45 tractor are not specified in the data provided. However, based on the model name, it is likely that the tractor uses a Rumley brake system. Rumley brakes were commonly used in tractors during the early 20th century and were known for their reliability and effectiveness. The brake system is likely a mechanical system, which uses a series of rods and levers to apply pressure to the brake drums. The engine may also be used to assist in braking by using compression braking.

Steering

The steering of the Advance-Rumely OilPull R 25/45 tractor is likely a Rumley 14.9L 2-cylinder kerosene system. This type of steering system is simple and reliable, but it may not be as precise as modern power steering systems. The fuel tank of the tractor has a capacity of 31 gallons/117.3 liters, which should provide enough fuel for several hours of operation. The tractor may also have an auxiliary fuel tank with a capacity of 1.25 gallons/4.7 liters, which can be used to supplement the main fuel tank.

Common Problems

Some common problems reported by users of the Advance-Rumely OilPull R 25/45 tractor include issues with the chassis, which is a 4x2 2WD system. This type of system may not provide enough traction in certain conditions, such as wet or muddy terrain. The open operator station may also be a concern for some users, as it does not provide protection from the elements. The 3-speed gear transmission may also be a challenge for some users, as it requires the operator to shift gears manually.

What Users Like

Users of the Advance-Rumely OilPull R 25/45 tractor appreciate the large steel wheels, which provide excellent traction in a variety of conditions. The front wheels are 38.5x8 inches, while the rear wheels are 57.5x18 inches. These large wheels also help to distribute the weight of the tractor evenly, which can reduce soil compaction. The kerosene engine is also popular among users, as it is reliable and easy to maintain. The simple and rugged design of the tractor is also appreciated by many users, as it is easy to repair and has a long service life.

Advance-Rumely OilPull R 25/45 Technical Specifications

Power
Drawbar (claimed)	25 hp/18.6 kW
Belt (claimed)	45 hp/33.6 kW
Drawbar (tested)	35.54 hp/26.5 kW
Belt (tested)	50.57 hp/37.7 kW
Engine Detail
Description	Rumley/kerosene/2-cylinder/liquid-cooled horizontal
Displacement	910.8 ci/14.9 L
Bore/stroke	7.8125x9.50 inches/198 x 241 mm
Rated Rpm	540
Coolant Capacity	92 qts/87.1 L
Engine
Description	Rumley 14.9L 2-cyl kerosene
Fuel Tank	31 gal/117.3 L
Aux. Fuel	1.25 gal/4.7 L
Transmission
Type	gear
Gears	3 forward and 1 reverse
Mechanical
Chassis	4x2 2WD
Cab	Open operator station.
Transmission	3-speed gear
Tires
Ag Front	38.5x8 steel
Ag Rear	57.5x18 steel
Dimensions
Length	167 inches/424 cm
Width	82 inches/208 cm
Height	107 inches/271 cm
Weight	11750 lbs/5329 kg
Dimensions And Tires
Weight	11750 lbs/5329 kg
Front Tire	38.5x8
Rear Tire	57.5x18
Serial Numbers
1924	1
1925	2
1926	139
1927	648
Description	/how to read serial numbers.../

Other Advance-Rumely tractors:

Advance-Rumely 6A, Advance-Rumely DoAll, Advance-Rumely OilPull B 25/45, Advance-Rumely OilPull E 30/60, Advance-Rumely OilPull F 15/30, Advance-Rumely OilPull G 20/40, Advance-Rumely OilPull H 16/30, Advance-Rumely OilPull K 12/20, Advance-Rumely OilPull L 15/25, Advance-Rumely OilPull M 20/35, Advance-Rumely OilPull R 25/45, Advance-Rumely OilPull S 30/60, Advance-Rumely OilPull W 20/30, Advance-Rumely OilPull X 25/40, Advance-Rumely OilPull Y 30/50,