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Years in Production / 1938–1941
Avery
Ro-Trak
Explore the specifications, hardware, and original references for the Avery Ro-Trak.

No photo
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Source index power
2WD Only
Drive
1938–1941
Production years
Avery
Manufacturer
Ro-Trak / 01
At a glance
Production
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
Mechanical
Two-wheel drive
Open operator station.
- Steering
- manual
Belt Pulley
- Diameter
- 12 inches30 cm
- Width
- 7.5 inches19 cm
- Rpm
- 827
- Speed
- 2600 ft/min792.48 meters/min
Ro-Trak / 02
Under the hood
Engine Detail
Hercules QXB-5
gasoline
6-cylinder
liquid-cooled
- Displacement
- 205 ci3.4 L
- Bore Stroke
- 3.25x4.125 inches83 x 105 mm
- Fuel System
- Zenith carburetor
- Air Cleaner
- oil bath
- Rated Rpm
- 2000
- Fuel Type
- gasoline
- Cylinders
- 6
- Cooling
- liquid-cooled
Ro-Trak / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 3 forward and 1 reverse
- Clutch
- mechanical dry disc
Ro-Trak / 04