Avery
Avery Ro-Trak
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.
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) |