Overview
The Eagle Manufacturing F 12-22 is a standard-tread farm tractor produced in Appleton, Wisconsin, between 1916 and 1922. It features a 10.1L 2-cylinder liquid-cooled kerosene engine paired with a 2-speed gear transmission and an open operator station. Nebraska Tractor Test 81 documented a maximum belt power of 23.35 hp and a tested drawbar pull of 2715 lbs.
Ideal Applications
Nebraska Test 81 Performance:
During official testing, the tractor achieved 14.75 hp at the drawbar and 23.35 hp at the belt while consuming 3.2 gallons of fuel per hour at maximum power.
Engine and Belt Pulley Output:
The 616 ci kerosene engine operates at a rated 450 RPM, driving a 20-inch diameter belt pulley at a speed of 2350 feet per minute.
Mechanical and Chassis Configuration:
The 5850-pound assembly is equipped with 48x12 steel rear tires, spur gear final drives, and a gear transmission providing two forward speeds and one reverse.
Production
| Description | Standard-tread tractor / Built in Appleton, Wisconsin, USA |
|---|---|
| Manufacturer | Eagle Manufacturing |
Engine
| Engine type | Eagle Manufacturing 10.1L 2-cyl kerosene |
|---|---|
| Bore/Stroke | 7.00x8.00 inches (178 x 203 mm) |
| Description | Eagle Manufacturing / kerosene / 2-cylinder 4-valve / liquid-cooled |
| Displacement | 616 ci (10.1 L) |
| Fuel system | Schebler carburetor |
| Rated RPM | 450 |
| Starter type | hand-crank |
| Belt (claimed) | 22 hp (16.4 kW) |
| Belt (tested) | 23.35 hp (17.4 kW) |
| Drawbar (claimed) | 12 hp (8.9 kW) |
| Drawbar (tested) | 14.75 hp (11.0 kW) |
| Plows | 3 (14-inch) |
Transmission
| Gears | 2 forward and 1 reverse |
|---|---|
| Transmission type | 2-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Drive type | Two-wheel drive |
| Final drives | spur gear |
| Steering | manual |
Dimensions & Tires
| Height | 76 inches (193 cm) |
|---|---|
| Length | 132 inches (335 cm) |
| Weight | 5850 lbs (2653 kg) |
| Width | 65 inches (165 cm) |
| Rear tire | 48x12 |
| Weight | 5850 lbs (2653 kg) |
| Ag rear | 48x12 (steel) |
Belt Pulley
| Diameter | 20 inches (50 cm) |
|---|---|
| RPM | 450 |
| Speed | 2350 ft/min (716.28 meters/min) |
| Width | 8.5 inches (21 cm) |
Nebraska Tractor Test 81
| Belt fuel use (max) | 3.2 gal/hour (12.1 l/hour) |
|---|---|
| Belt power (max) | 23.35 hp (17.4 kW) |
| Description | Kerosense 2-speed 2WDAugust 18 - 21, 1921Link: Nebraska Tractor Test 81 file / Drawbar performance / Gear 1 used for power test. / Gear 1 used for pull test. |
| Max power | 14.75 hp (11.0 kW) |
| Max pull | 2715 lbs (1231 kg) |