Case
J.I. Case 300
The J.I. Case 300 is a utility tractor produced from 1956 to 1958 by J.I. Case in Rock Island, Illinois, USA. It features a Continental 2.6L 4-cylinder liquid-cooled diesel engine with 22 hp drawbar power and 27 hp belt power. The tractor offers 4-speed sliding gear and 12-speed Tripl-Range transmissions, two-wheel drive, and an open operator station. It has a wheelbase of 75.5 inches, weighs 3,400 lbs, and uses 6.00x16 front and 11x24 rear tires. The rear PTO operates at 540 rpm and is live with the Tripl-Range transmission. A total of 249 units were built, originally priced at $3,500 in 1958.
Power30 hp[B]
Founded1956 - 1958
Model300
Technical Specifications
Detailed specifications and technical data for J.I. Case 300
Power
| Plows | 3 |
|---|---|
| Belt (claimed) | 27 hp (20.1 kW) |
| Drawbar (claimed) | 22 hp (16.4 kW) |
Tires
| Ag rear | 11x24 |
|---|---|
| Ag front | 6.00x16 |
Engine
| Type | diesel |
|---|---|
| Model | Continental GD157 |
| Cooling | liquid-cooled |
| Cylinders | 4-cylinder |
| Rated RPM | 1750 |
| Air cleaner | oil bath |
| Bore/Stroke | 3.375x4.375 inches (86 x 111 mm) |
| Pre-heating | ether |
| Displacement | 157 ci (2.6 L) |
| Starter volts | 12 |
| Coolant capacity | 12 qts (11.4 L) |
| Compression ratio | 15.5:1 |
Dimensions
| Height | 56 inches (142 cm) |
|---|---|
| Length | 125 inches (317 cm) |
| Weight | 3,400 lbs (1542 kg) |
| Wheelbase | 75.5 inches (191 cm) |
| Rear tread | 48 to 68 inches (121 to 172 cm) |
| Front tread | 47.5 inches (120 cm) |
| Ground clearance | 12 inches (30 cm) |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | 6-inch disc brakes |
| Steering | manual |
| Operator station | Open operator station |
Production
| Type | Utility tractor |
|---|---|
| Series | 300 Series |
| Built in | Rock Island, Illinois, USA |
| Total built | 249 |
| Original price | $3,500 (1958) |
| Years produced | 1956 - 1958 |
Transmission
| Type | sliding gear |
|---|---|
| Options | 4-speed sliding gear, 12-speed |
| Description | Four gears (1-4) plus reverse (R) in three ranges (low, direct, high). |
| Gears (4-speed) | 4 forward and 1 reverse |
| Type (12-speed) | Tripl-Range |
| Clutch (4-speed) | 234.9mm dry disc |
| Gears (12-speed) | 12 forward and 3 reverse |
| Clutch (12-speed) | 234.9mm dry disc (master foot clutch), wet discs (traction hand clutch) |
Serial Numbers
| 1956 | 6050301 |
|---|---|
| 1957 | 6075001 |
| 1958 | 6095001 |
| Location | Serial number plate on the instrument panel. |
Power Take-off (PTO)
| Rear PTO | transmission (4-speed) |
|---|---|
| Rear PTO Type | 540 |
| Rear PTO live | live (Tripl-Range) |