Production
| Description | Standard-tread tractor / Built in Racine, Wisconsin, USA |
|---|---|
| Manufacturer | J.I. Case |
| Total built | 9,051 |
Engine
| Aux. fuel | 2 gal (7.6 L) |
|---|---|
| Engine type | J.I. Case 3.9L 4-cyl kerosene |
| Fuel tank | 10.5 gal (39.7 L) |
| Bore/Stroke | 3.875x5.00 inches (98 x 127 mm) |
| Coolant capacity | 36 qts (34.1 L) |
| Description | J.I. Case / kerosene / 4-cylinder / liquid-cooled |
| Displacement | 235.9 ci (3.9 L) |
| Rated RPM | 1050 |
| Starter type | hand-crank |
| Belt (claimed) | 18 hp (13.4 kW) |
| Belt (tested) | 18.145 hp (13.5 kW) |
| Drawbar (claimed) | 10 hp (7.5 kW) |
| Drawbar (tested) | 11.24 hp (8.4 kW) |
| Plows | 2 (14-inch) |
| PTO (tested) | 18.1 hp (13.5 kW) |
Transmission
| Gears | 2 forward and 1 reverse |
|---|---|
| Manufacturer | J.I. Case |
| Transmission type | 2-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Drive type | Two-wheel drive |
| Steering | manual |
Dimensions & Tires
| Height | 58 inches (147 cm) |
|---|---|
| Length | 108 inches (274 cm) |
| Weight | 3,760 lbs (1705 kg) |
| Width | 52 inches (132 cm) |
| Front tire | 30x6 |
| Rear tire | 42x9 |
| Weight | 3,760 lbs (1705 kg) |
| Ag front | 30x6 steel |
| Ag rear | 42x9 steel |
Belt Pulley
| Diameter | 14.25 inches (36 cm) |
|---|---|
| RPM | 1050 |
| Speed | 3,916 ft/min (1193.60 meters/min) |
| Width | 5.25 inches (13 cm) |
Nebraska Tractor Test 3
| Belt fuel use (max) | 2.7 gal/hour (10.2 l/hour) |
|---|---|
| Belt power (max) | 18.145 hp (13.5 kW) |
| Description | Kerosene 2-speed 2WDApril 7 - 15, 1920Link: Nebraska Tractor Test 3 file / PTO performance / Drawbar performance |
| Fuel use | 2.7 gal/hour (10.2 l/hour) |
| Max power | 11.24 hp (8.4 kW) |
| Max pull | 1,730 lbs (784 kg) |
| Power at rated engine speed | 18.1 hp (13.5 kW) |
References
| Description | Instructions on Operation and Care of the CASE 12-20 Tractor published in 1922 / Power Farming Machinery published in 1919, by J.I. Case |
|---|