Case
J.I. Case 311
The J.I. Case 311 is a row-crop tractor produced from 1956 to 1958 as part of the 300 Series. It was built in Rock Island, Illinois, USA, with a total production of 8,465 units. The 311 model is a gasoline row-crop tractor featuring a 2.4L 4-cylinder gasoline or LP gas engine, delivering an estimated 32.2 hp. It has a 4-speed sliding gear or 12-speed Tripl-Range transmission, two-wheel drive, and manual steering. The tractor includes a Case Eagle Hitch, Duo-Control hydraulics, and a 540 rpm live rear PTO. Dimensions include a tricycle wheelbase of 84.3 inches and an operating weight of 3,561 lbs. The 311 was priced originally at $2,500 in 1958.
Power32 hp[B]
Founded1956 - 1958
Model311
Technical Specifications
Detailed specifications and technical data for J.I. Case 311
Power
| Plows | 3 |
|---|---|
| Belt (tested) | 33.0 hp (24.6 kW) |
| Belt (claimed) | 29 hp (21.6 kW) |
| Drawbar (tested) | 29.29 hp (21.8 kW) |
| Drawbar (claimed) | 23 hp (17.2 kW) |
Engine
| Rated RPM | 1750 |
|---|---|
| Air cleaner | oil bath |
| Bore/Stroke | 3.375x4.125 inches (86 x 105 mm) |
| Compression | 7.1:1 |
| Displacement | 148 ci (2.4 L) |
| Oil capacity | 4 qts (3.8 L) |
| LP Gas engine | Case, 4-cylinder, liquid-cooled, 148 ci (2.4 L), Bore/Stroke 3.375x4.125 inches (86 x 105 mm), Air cleaner oil bath, Rated RPM 1750 |
| Starter volts | 6 |
| Engine options | J.I. Case 2.4L 4-cyl gasoline, Case 2.4L 4-cyl LP Gas |
| J.I. Case G148 | gasoline, 4-cylinder, liquid-cooled vertical I-head |
| Coolant capacity | 12 qts (11.4 L) |
Variants
| 300 | diesel utility |
|---|---|
| 301 | diesel row-crop |
| 302 | diesel high-crop |
| 310 | gasoline utility |
| 311 | gasoline row-crop |
| 312 | gasoline high-crop |
| 320 | industrial |
Electrical
| Ground | positive |
|---|---|
| Battery volts | 6 |
Hydraulics
| Type | Duo-Control |
|---|---|
| Valves | 1 (optional) |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | 6-inch disc brakes |
| Steering | manual |
| Operator station | Open operator station |
Production
| Type | Row-Crop tractor |
|---|---|
| Series | 300 Series |
| Built in | Rock Island, Illinois, USA |
| Total built | 8,465 |
| Original price | $2,500 (1958) |
| Years produced | 1956 - 1958 |
Transmission
| Type | sliding gear |
|---|---|
| Gears | 4 forward and 1 reverse |
| Clutch | 234.9mm dry disc |
| Description | Four gears (1-4) plus reverse (R) in three ranges (low, direct, high). |
| Transmission options | 4-speed sliding gear, 12-speed |
| Tripl-Range transmission | 12 forward and 3 reverse gears, 234.9mm dry disc (master foot clutch), wet discs (traction hand clutch) |
Tractor hitch
| Type | Case Eagle Hitch |
|---|
Serial Numbers
| 1956 | 6050301 |
|---|---|
| 1957 | 6075001 |
| 1958 | 6095001 |
| Serial number plate location | Serial number plate on instrument panel. |
Dimensions & Tires
| Height | 61 inches (154 cm) |
|---|---|
| Rear tire | 11x28 |
| Front tire | 5.50x16 |
| Rear tread | 48 to 88 inches (121 to 223 cm) |
| Tricycle Length | 131 inches (332 cm) |
| Ballasted weight | 5,995 lbs (2719 kg) |
| Ground clearance | 21 inches (53 cm) |
| Operating weight | 3,561 lbs (1615 kg) |
| Wide-front Length | 125 inches (317 cm) |
| Tricycle Wheelbase | 84.3 inches (214 cm) |
| Wide front Wheelbase | 79.7 inches (202 cm) |
| Front tread (tricycle) | 6.4.11.7 to inches (16 to 0 cm) |
| Front tread (wide-front) | 52 to 80 inches (132 to 203 cm) |
Power Take-off (PTO)
| Rear PTO | transmission (4-speed), live (Tripl-Range) |
|---|---|
| Rear PTO Type | 540 |