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Advance-Rumely OilPull M 20/35

Advance-Rumely OilPull M 20/35 tractor
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The Advance-Rumely OilPull M 20/35 is a standard-tread farm tractor produced from 1924 to 1927 by Advance-Rumely in La Porte, Indiana. It features a Rumley 9.9L 2-cylinder liquid-cooled horizontal opposed kerosene engine, producing 20 hp at the drawbar and 35 hp at the belt. The tractor has a 3-speed gear transmission with 3 forward and 1 reverse gears, two-wheel drive, mechanical rear differential lock, and manual steering. It has an open operator station and weighs 8,600 lbs. The tractor rides on 34x7 steel front tires and 52x16 steel rear tires. A total of 3,671 units were built during its production run.
Advance-RumelyOilPull M 20/35farm tractorspecificationsenginetransmissionpowerdimensions1924192519261927
Power38 hp[B]
Founded1924 - 1927
ModelOilPull M 20/35

Technical Specifications

Detailed specifications and technical data for Advance-Rumely OilPull M 20/35

Power

Belt (claimed):35 hp (26.1 kW)
Drawbar (claimed):20 hp (14.9 kW)

Engine

Make:Rumley
Cooling:liquid-cooled horizontal opposed
Aux. fuel:1.25 gal (4.7 L)
Cylinders:2-cylinder
Fuel tank:25.75 gal (97.5 L)
Fuel type:kerosene
Rated RPM:640
Bore/Stroke:6.8125x8.25 inches (173 x 210 mm)
Displacement:601.4 ci (9.9 L)
Coolant capacity:52 qts (49.2 L)

Mechanical

Drive:Two-wheel drive
Steering:Manual steering
Operator station:Open operator station
Differential lock:mechanical rear

Production

Type:Standard-tread tractor
Built in:La Porte, Indiana
Total built:3,671
Manufacturer:Advance-Rumely
Years produced:1924 - 1927

References

Instruction Manual:Power Farming Schools published in 1927

Transmission

Type:gear
Gears:3 forward and 1 reverse

Serial Numbers

1924:1
1925:2
1926:1014
1927:3085

Dimensions & Tires

Width:71.5 inches (181 cm)
Height:101 inches (256 cm)
Length:151 inches (383 cm)
Weight:8,600 lbs (3900 kg)
Rear tire:52x16 steel
Front tire:34x7 steel