Overview
The J.I. Case 40-72 is a standard-tread farm tractor produced in Racine, Wisconsin, between 1921 and 1923, with a total production of 41 units. This model is equipped with a 20.2L 4-cylinder kerosene engine and features a manual steering, two-wheel drive configuration weighing 21,200 lbs.
Ideal Applications
Tested Power Output:
In Nebraska Tractor Test 90, the tractor achieved a maximum tested belt power of 91.42 hp and a maximum drawbar power of 55.14 hp.
Stationary Belt Work:
The tractor is equipped with a 19.5-inch diameter belt pulley that operates at 750 RPM with a listed belt speed of 3,827 ft/min.
Field Equipment Capacity:
This model is rated for operation with 8 to 10 14-inch plows and recorded a maximum pull of 10,680 lbs during performance testing.
Production
| Description | Standard-tread tractor / Built in Racine, Wisconsin, USA |
|---|---|
| Manufacturer | J.I. Case |
| Original price | $4,000 |
| Total built | 41 |
Engine
| Engine type | J.I. Case 20.2L 4-cyl kerosene |
|---|---|
| Belt (claimed) | 72 hp (53.7 kW) |
| Belt (tested) | 91.42 hp (68.2 kW) |
| Drawbar (claimed) | 40 hp (29.8 kW) |
| Drawbar (tested) | 55.14 hp (41.1 kW) |
| Plows | 8-10 (14-inch) |
Transmission
| Gears | 2 forward |
|---|---|
| Transmission | J.I. Case |
| Transmission type | 2-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Drive type | Two-wheel drive |
| Steering | manual |
Dimensions & Tires
| Clearance (drawbar) | 20 inches (50 cm) |
|---|---|
| Ground clearance | 16 inches (40 cm) |
| Height | 110 inches (279 cm) |
| Length | 200 inches (508 cm) |
| Weight | 21200 lbs (9616 kg) |
| Wheelbase | 124 inches (314 cm) |
| Width | 105 inches (266 cm) |
| Rear tire | 72x20 |
| Weight | 21200 lbs (9616 kg) |
| Wheelbase | 124 inches (314 cm) |
| Ag rear | 72x20 (steel) |
Belt Pulley
| Diameter | 19.5 inches (49 cm) |
|---|---|
| RPM | 750 |
| Speed | 3,827 ft/min (1166.47 meters/min) |
| Width | 10.5 inches (26 cm) |
Nebraska Tractor Test 90
| Belt fuel use (max) | 11.4 gal/hour (43.1 l/hour) |
|---|---|
| Belt power (max) | 91.42 hp (68.2 kW) |
| Description | Kerosene 2-speed 2WDApril 6 - 29, 1923Link: Nebraska Tractor Test 90 file / Drawbar performance |
| Max power | 55.14 hp (41.1 kW) |
| Max pull | 10,680 lbs (4844 kg) |