Tractorpedia.com

Advance-Rumely OilPull R 25/45

Advance-Rumely OilPull R 25/45 tractor
View Images
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.
Advance-RumelyOilPull R 25/45farm tractorkerosene engine14.9L2-cylinder3-speed gear transmission25 hp drawbar45 hp belt1924192519261927
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