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Rock Island F 18-35

Rock Island F 18-35 tractor
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The Rock Island F 18-35 is a standard-tread farm tractor produced from 1927 to 1937 by Rock Island in Illinois, USA. It features a Buda 6.3L 4-cylinder liquid-cooled L-head engine running on kerosene, with a 2-speed unsynchronized gear transmission. The tractor delivers 18 hp drawbar power claimed and 35 hp belt power claimed, with tested drawbar power of 30.42 hp and belt power of 36.50 hp. It has two-wheel drive, manual steering, and an open operator station. The belt pulley diameter is 18 inches with a width of 7.5 inches running at 660 RPM.
Rock Island F 18-35Rock Island tractorfarm tractorBuda engine18 hp tractor35 hp belt powerstandard-tread tractor
Power38 hp[B]
Founded1927 - 1937
ModelF 18-35

Technical Specifications

Detailed specifications and technical data for Rock Island F 18-35

Power

Belt (tested):36.50 hp (27.2 kW)
Belt (claimed):35 hp (26.1 kW)
Drawbar (tested):30.42 hp (22.7 kW)
Drawbar (claimed):18 hp (13.4 kW)

Engine

Make:Buda
Cooling:liquid-cooled L-head
Cylinders:4-cylinder
Fuel type:kerosene
Rated RPM:1100
Bore/Stroke:4.50 x 6.00 inches (114 x 152 mm)
Displacement:382 ci (6.3 L)

Mechanical

Drive:Two-wheel drive
Steering:manual
Operator station:Open operator station

Production

Type:Standard-tread tractor
Built in:Rock Island, Illinois, USA
Manufacturer:Rock Island
Years produced:1927 - 1937

Belt Pulley

RPM:660
Width:7.5 inches (19 cm)
Diameter:18 inches (45 cm)

Transmission

Type:unsynchronized gear
Gears:2 forward and 1 reverse