Production
| Description | Standard-tread tractor / Built in Racine, Wisconsin, USA |
|---|---|
| Manufacturer | J.I. Case |
| Original price | $2,100 (1916) |
| Total built | 4,465 |
Engine
| Bore/Stroke | 7.75x8.00 inches (197 x 203 mm) / 8.00x9.00 inches (203 x 229 mm) / 8.75x9.00 inches (222 x 229 mm) |
|---|---|
| Coolant capacity | 112 qts (106.0 L) |
| Description | J.I. Case / kerosene / 2-cylinder / liquid-cooled opposed-twin / The original engine, was used on the first model 40 tractors produced in 1912. / J.I. Case / kerosene / 2-cylinder / liquid-cooled opposed-twin / The 8-inch bore engine replaced the original engine early in production, at the end of 1912. / J.I. Case / kerosene / 2-cylinder / liquid-cooled / The final, 8.75-inch bore, engine replaced the 8-inch around 1916. Case did not re-rate the horsepower of the tractor, despite a 20% increase in displacement. |
| Displacement | 755 ci (12.4 L) / 904 ci (14.8 L) / 1082 ci (17.7 L) |
| Rated RPM | 450 / 475 / 475 |
| Starter type | hand-crank / hand-crank / hand-crank |
| Engine type | J.I. Case 12.4L 2-cyl kerosene / J.I. Case 14.8L 2-cyl kerosene / J.I. Case 17.7L 2-cyl kerosene |
| Engine type | J.I. Case 12.4L 2-cyl kerosene / J.I. Case 14.8L 2-cyl kerosene / J.I. Case 17.7L 2-cyl kerosene |
| Fuel tank | 42 gal (159.0 L) |
| Belt (claimed) | 40 hp (29.8 kW) |
| Belt (tested) | 42.80 hp (31.9 kW) |
| Drawbar (claimed) | 20 hp (14.9 kW) |
| Drawbar (tested) | 24.66 hp (18.4 kW) |
Transmission
| Gears | 2 forward and 1 reverse |
|---|---|
| Transmission | J.I. Case |
| Transmission type | 2-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. Optional four-post steel cab. |
|---|---|
| Drive type | Two-wheel drive |
| Steering | manual |
Dimensions & Tires
| Height | 107 inches (271 cm) |
|---|---|
| Length | 177 inches (449 cm) |
| Operating weight | 13,900 lbs (6305 kg) |
| Rear axle | 3.94 inch diameter (100 mm) |
| Width | 100 inches (254 cm) |
| Front tire | 38x8 |
| Rear tire | 66x20 |
| Weight | 13,900 lbs (6305 kg) |
| Ag front | 38x8 steel |
| Ag rear | 66x20 steel |
20-40 Serial Number Location
| Description | Serial number plate on left side of tractor frame, above the front axle. |
|---|
Belt Pulley
| Diameter | 24 inches (60 cm) |
|---|---|
| Width | 8.5 inches (21 cm) |
Nebraska Tractor Test 7
| Belt fuel use (max) | 7.7 gal/hour (29.1 l/hour) |
|---|---|
| Belt power (max) | 42.80 hp (31.9 kW) |
| Description | 1082ci kerosene 2-speed 2WDApril 10 - May 7, 1920Link: Nebraska Tractor Test 7 file / Drawbar performance |
| Max power | 24.66 hp (18.4 kW) |
| Max pull | 5,537 lbs (2511 kg) |
References
| Description | Power Farming Machinery published in 1919, by J.I. Case |
|---|