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Avery Ro-Trak Specs ( 1938-1941 )

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Overview

The Avery Ro-Trak is a versatile row-crop tractor featuring a unique swing-arm front wheel system that allows a single operator to switch between tricycle and standard-tread configurations in just 30 minutes. Built in Peoria, Illinois, between 1938 and 1941, it utilizes a 3.4L 6-cylinder Hercules gasoline engine capable of operating two to three 14-inch plows.

Ideal Applications

Adjustable Row-Crop Operations: With an adjustable rear tread ranging from 56 to 84 inches and convertible front wheels, this tractor is designed to adapt to various crop spacing and field layouts.
Primary Tillage: The 205 ci 6-cylinder engine and three-speed gear transmission provide the capacity to handle 2-3 14-inch plows for field preparation.
Stationary Belt Power: The integrated 12-inch diameter belt pulley operates at 827 RPM with a speed of 2600 ft/min, making it suitable for driving various belt-powered farm implements.

Production

Description Row-Crop tractor / Built in Peoria, Illinois / 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".
Manufacturer Avery

Engine

Engine type Hercules 3.4L 6-cyl gasoline
Air cleaner oil bath
Bore/Stroke 3.25x4.125 inches (83 x 105 mm)
Description Hercules QXB-5 / gasoline / 6-cylinder / liquid-cooled
Displacement 205 ci (3.4 L)
Fuel system Zenith carburetor
Rated RPM 2000
Plows 2-3 *14-inch

Transmission

Clutch mechanical dry disc
Gears 3 forward and 1 reverse
Transmission type 3-speed gear
Type gear

Mechanical

Cab Open operator station.
Drive type Two-wheel drive
Steering manual

Dimensions & Tires

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

Belt Pulley

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