Avery
Avery 15-25
The Avery 15-25 "Track Runner" was a half-track crawler tractor produced from 1922 to 1924 in Peoria, Illinois, USA. It featured two wheels in the front and two tracks in the rear, powered by an Avery 4.5L 4-cylinder gasoline engine. The tractor had a 3-speed gear transmission with mechanical disc clutch and was designed with an open operator station. It was rated at 15 hp drawbar (claimed) and 25 hp belt (claimed), with tested power outputs higher. The tractor weighed 5000 lbs and had steel front tires and tracks in the rear.
Power27 hp[B]
Founded1922 - 1924
Model15-25
Technical Specifications
Detailed specifications and technical data for Avery 15-25
Power
| Belt (tested) | 30.6 hp (22.8 kW) |
|---|---|
| Belt (claimed) | 25 hp (18.6 kW) |
| Drawbar (tested) | 20.13 hp (15.0 kW) |
| Drawbar (claimed) | 15 hp (11.2 kW) |
Tires
| Rear tire | tracks |
|---|---|
| Front tire | 26x3 steel |
Engine
| Type | gasoline, 4-cylinder, liquid-cooled vertical |
|---|---|
| Model | Avery 4.5L 4-cyl gasoline |
| Fuel tank | 33 gal (124.9 L) |
| Rated RPM | 1125 |
| Bore/Stroke | 4.00x5.00 inches (102 x 127 mm) |
| Displacement | 276.5 ci (4.5 L) |
Dimensions
| Width | 48 inches (121 cm) |
|---|---|
| Height | 58 inches (147 cm) |
| Length | 108 inches (274 cm) |
| Weight | 5000 lbs (2268 kg) |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Operator station | Open operator station |
Production
| Type | Half-track Crawler tractor |
|---|---|
| Built in | Peoria, Illinois, USA |
| Description | The Avery 15-25 "Track Runner" featured two wheels in the front and two tracks in the rear. |
| Years produced | 1922 - 1924 |
Transmission
| Type | gear |
|---|---|
| Gears | 3 forward and 1 reverse |
| Clutch | mechanical disc |
Serial Numbers
| Location | frame |
|---|