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Avery Ro-Trak

Avery Ro-Trak tractor
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The Avery Ro-Trak is a row-crop tractor produced from 1938 to 1941 by Avery in Peoria, Illinois. It features front wheels on swing-arms allowing for tricycle or standard-tread configurations, changeable in about 30 minutes by one person. Powered by a Hercules 3.4L 6-cylinder liquid-cooled gasoline engine, it has a 3-speed gear transmission with mechanical dry disc clutch. The tractor is two-wheel drive with manual steering and an open operator station. It can pull 2-3 14-inch plows and has adjustable front and rear tread widths. The belt pulley measures 12 inches in diameter and 7.5 inches wide, running at 827 RPM for a speed of 2600 ft/min.
Avery Ro-TrakAvery tractorsrow-crop tractorHercules engine3-speed transmissiontractor specificationsfarm tractors
Powerunknown
Founded1938 - 1941
ModelRo-Trak

Technical Specifications

Detailed specifications and technical data for Avery Ro-Trak

Power

Plows:2-3 14-inch

Engine

Type:gasoline
Model:Hercules QXB-5
Cooling:liquid-cooled
Cylinders:6-cylinder
Rated RPM:2000
Air cleaner:oil bath
Bore/Stroke:3.25x4.125 inches (83 x 105 mm)
Fuel system:Zenith carburetor
Displacement:205 ci (3.4 L)

Mechanical

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

Production

Type:Row-Crop tractor
Built in:Peoria, Illinois
Description:The front wheels of the Avery Ro-Trak are on swing-arms that allow the wheels to be placed forward and together, in a tricycle configuration or apart in a standard-tread configuration. Avery advertised that changing the wheel position takes "one man with 2 wrenches and a jack only 30 minutes".
Years produced:1938 - 1941

Belt Pulley

RPM:827
Speed:2600 ft/min (792.48 meters/min)
Width:7.5 inches (19 cm)
Diameter:12 inches (30 cm)

Transmission

Type:gear
Gears:3 forward and 1 reverse
Clutch:mechanical dry disc

Dimensions & Tires

Rear tread:56 to 84 inches (142 to 213 cm)
Front tread:16/56 inches (40/142 cm)