Rock Island

Rock Island F 18-35

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.
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
MakeBuda
Coolingliquid-cooled L-head
Cylinders4-cylinder
Fuel typekerosene
Rated RPM1100
Bore/Stroke4.50 x 6.00 inches (114 x 152 mm)
Displacement382 ci (6.3 L)
Mechanical
DriveTwo-wheel drive
Steeringmanual
Operator stationOpen operator station
Production
TypeStandard-tread tractor
Built inRock Island, Illinois, USA
ManufacturerRock Island
Years produced1927 - 1937
Belt Pulley
RPM660
Width7.5 inches (19 cm)
Diameter18 inches (45 cm)
Transmission
Typeunsynchronized gear
Gears2 forward and 1 reverse