Overview
The Avery 14-28 is a standard-tread farm tractor produced in Peoria, Illinois, from 1919 to 1922. It is powered by a 7.7L 4-cylinder opposed horizontal kerosene engine and features a 2-speed gear transmission on a two-wheel-drive chassis. The unit is equipped with steel wheels and weighs 7540 lbs.
Ideal Applications
Nebraska Test Performance:
In Nebraska Tractor Test 42, the model reached a maximum tested belt power of 31.83 hp and a maximum drawbar power of 21.52 hp with 3049 lbs of pull.
Engine and Fuel Specifications:
The liquid-cooled 470.4 ci engine operates at a rated 800 RPM and is supported by a 20-gallon kerosene fuel tank and a 3.25-gallon auxiliary fuel tank.
Transmission and Drive Layout:
This model utilizes a gear-type transmission with 2 forward speeds and 1 reverse speed, paired with manual steering and 60x16-inch steel rear tires.
Production
| Description | Standard-tread tractor / Built in Peoria, Illinois, USA |
|---|---|
| Manufacturer | Avery |
Engine
| Aux. fuel | 3.25 gal (12.3 L) |
|---|---|
| Engine type | Avery 7.7L 4-cyl kerosene |
| Fuel tank | 20 gal (75.7 L) |
| Bore/Stroke | 4.625x7.00 inches (117 x 178 mm) |
| Coolant capacity | 120 qts (113.6 L) |
| Description | Avery / kerosene / 4-cylinder / liquid-cooled opposed horizontal |
| Displacement | 470.4 ci (7.7 L) |
| Rated RPM | 800 |
| Belt (claimed) | 28 hp (20.9 kW) |
| Belt (tested) | 31.83 hp (23.7 kW) |
| Drawbar (claimed) | 14 hp (10.4 kW) |
| Drawbar (tested) | 21.52 hp (16.0 kW) |
Transmission
| Gears | 2 forward and 1 reverse |
|---|---|
| Transmission type | 2-speed gear |
| Type | gear |
Mechanical
| Description | Manual steering |
|---|---|
| Drive type | Two-wheel drive |
Dimensions & Tires
| Ag front | 36x6 steel |
|---|---|
| Ag rear | 60x16 steel |
| Height | 104 inches (264 cm) |
| Length | 152 inches (386 cm) |
| Operating weight | 7540 lbs (3420 kg) |
| Width | 68 inches (172 cm) |
| Front tire | 36x6 |
| Rear tire | 60x16 |
| Weight | 7540 lbs (3420 kg) |
14-28 Serial Number Location
| Description | Serial number plate in the front of the tractor's operator platform, below steering wheel. |
|---|
Nebraska Tractor Test 42
| Belt fuel use (max) | 4.2 gal/hour (15.9 l/hour) |
|---|---|
| Belt power (max) | 31.83 hp (23.7 kW) |
| Description | Kerosene 2-speed 2WDJuly 23 - August 2, 1920Link: Nebraska Tractor Test 42 file / Drawbar performance |
| Max power | 21.52 hp (16.0 kW) |
| Max pull | 3049 lbs (1383 kg) |