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Advance-Rumely OilPull K 12/20

Advance-Rumely OilPull K 12/20 tractor
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The Advance-Rumely OilPull K 12/20 is a standard-tread farm tractor produced from 1918 to 1924 in La Porte, Indiana, USA. It features a Rumley 7.4L 2-cylinder liquid-cooled horizontal opposed kerosene engine producing 40 hp at 560 RPM. The tractor has a 2-speed gear transmission with 2 forward and 1 reverse gears. It offers 12 hp drawbar power claimed and 15.02 hp tested, with belt power of 20 hp claimed and 25.87 hp tested. The tractor weighs 6,430 lbs and rides on steel tires sized 44x8 front and 64x20 rear. It has an open operator station and two-wheel drive. A total of 7,284 units were built during its production run.
Advance-RumelyOilPull K 12/20farm tractorspecificationsenginetransmissionpowerdimensionsproduction
Power40 hp
Founded1918 - 1924
ModelOilPull K 12/20

Technical Specifications

Detailed specifications and technical data for Advance-Rumely OilPull K 12/20

Power

Engine:40 hp (29.8 kW)
Belt (tested):25.87 hp (19.3 kW)
Belt (claimed):20 hp (14.9 kW)
Drawbar (tested):15.02 hp (11.2 kW)
Drawbar (claimed):12 hp (8.9 kW)

Engine

Make:Rumley
Power:40 hp (29.8 kW)
Cooling:liquid-cooled horizontal opposed
Aux. fuel:1 gal (3.8 L)
Cylinders:2-cylinder
Fuel tank:23 gal (87.1 L)
Fuel type:kerosene
Rated RPM:560
Bore/Stroke:6.00x8.00 inches (152 x 203 mm)
Displacement:452.4 ci (7.4 L)

Mechanical

Drive:Two-wheel drive
Operator station:Open operator station.

Production

Type:Standard-tread tractor
Built in:La Porte, Indiana, USA
Total built:7,284
Manufacturer:Advance-Rumely
Years produced:1918 - 1924

Transmission

Type:gear
Gears:2 forward and 1 reverse
Speeds:2-speed gear

Serial Numbers

1918:1200
1919:12101
1920:13657
1921:17640
1922:18649
1923:19269
1924:20511

Dimensions & Tires

Width:64 inches (162 cm)
Height:75 inches (190 cm)
Length:132 inches (335 cm)
Weight:6,430 lbs (2916 kg)
Rear tire:64x20 steel
Front tire:44x8 steel