Case
J.I. Case 311-B
The J.I. Case 311-B is a row-crop tractor produced from 1958 to 1959 as part of the 300B Series. It was built in Rock Island, Illinois, USA, with a total production of 2,339 units. This model features a 2.4L 4-cylinder liquid-cooled gasoline engine producing an estimated 41.1 hp. It offers 4-speed and 12-speed gear transmission options, with a PTO claimed power of 37 hp. The tractor includes an open operator station, two-wheel drive, manual steering, and differential mechanical dry disc brakes. It supports various attachments including the 291B front-end loader. The 311-B is known for its versatility in row-crop farming applications.
Power32 hp[B]
Founded1956 - 1958
Model311-B
Technical Specifications
Detailed specifications and technical data for J.I. Case 311-B
Power
| Plows | 3 |
|---|---|
| PTO (claimed) | 37 hp (27.6 kW) |
Engine
| Make | J.I. Case |
|---|---|
| Type | gasoline |
| Cooling | liquid-cooled |
| Starter | electric |
| Idle RPM | 500-2050 |
| Cylinders | 4-cylinder |
| Rated RPM | 1900 |
| Sparkplug | Champion D-16 |
| Air cleaner | oil bath |
| Bore/Stroke | 3.375x4.125 inches (86 x 105 mm) |
| Fuel system | carburetor |
| Displacement | 148 ci (2.4 L) |
| Firing order | 1-3-4-2 |
| Oil capacity | 5 qts (4.7 L) |
| Sparkplug gap | 0.025 inches (0.635 mm) |
| Starter volts | 12 |
| Coolant capacity | 13 qts (12.3 L) |
| Compression ratio | 7.1:1 |
| Oil change interval | 100 h |
| Intake valve clearance | 0.014 inches (cold) (0.356 mm) |
| Exhaust valve clearance | 0.014 inches (cold) (0.356 mm) |
Capacity
| Fuel | 13 gal (49.2 L) |
|---|---|
| Hydraulic system | 3 gal (11.4 L) |
Dimensions
| Tires | Ag front: 5.50-16, Ag rear: 11-28, 10-28, 12-28 |
|---|---|
| Width | 79.625 inches (202 cm) |
| Length | 130 inches (tricycle) (330 cm), 127.375 inches (GP) (323 cm) |
| Weight | 4076 lbs (1848 kg) |
| Wheelbase | 84.5 inches (tricycle) (214 cm), 79.5 inches (GP) (201 cm) |
| Rear tread | 48 to 88 inches (121 to 223 cm) |
| Front tread | 5.5/11.5 inches (13/29 cm) (tricycle), 52 to 80 inches (132 to 203 cm) (GP), 48 to 72 inches (121 to 182 cm) (GP), 44 to 64 inches (111 to 162 cm) (GP) |
| Clearance (rear axle) | 21.5 inches (54 cm) |
| Height (steering wheel) | 61 inches (154 cm) |
Electrical
| Ground | positive |
|---|---|
| Battery AH | 50 |
| Battery volts | 12 |
| Charging system | generator |
Hydraulics
| Type | open center |
|---|---|
| Capacity | 3 gal (11.4 L) |
| Pressure | 1200 psi (82.7 bar) |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Differential mechanical dry disc brakes |
| Steering | Manual steering |
| Operator station | Open operator station |
Production
| Type | Row-Crop tractor |
|---|---|
| Series | 300B Series |
| Built in | Rock Island, Illinois, USA |
| Total built | 2,339 |
| Years produced | 1958 - 1959 |
Attachments
| 291B Loader | 2400 lbs breakout (1088 kg), 50° dump, 114 inches height (at pin) (289 cm), boom cyl: 2 inches (5 cm), bucket cyl: 2 inches (5 cm), weight: 1040 lbs (471 kg), Bucket width: 40 inches (101 cm) |
|---|
Belt Pulley
| RPM | 1290 |
|---|---|
| Speed | 3125 ft/min (952.50 meters/min) |
| Width | 6.375 inches (16 cm) |
| Diameter | 9.25 inches (23 cm) |
Transmission
| Type | gear |
|---|---|
| Clutch | 235mm dry disc |
| Options | 4-speed gear, 12-speed gear |
| Controls | 1Foot clutch 2Hand clutch 3Throttle 4Gear shift 5Range shift 6Brakes |
| Description | Four gears, plus reverse, in three ranges. |
| Oil capacity | 28 qts (26.5 L) |
| Gears (4-speed) | 4 forward and 1 reverse |
| Type (12-speed) | Tripl-Range gear |
| Gears (12-speed) | 12 forward and 3 reverse |
Tractor hitch
| Type | Eagle Hitch |
|---|
Serial Numbers
| 1958 | 6095001 |
|---|---|
| 1959 | 6120001 |
| Serial number location | Serial number plate on the left side of the tractor's instrument panel. |
Power Take-off (PTO)
| Rear PTO | continuous |
|---|---|
| Engine RPM | 540 (1.375) |
| Rear PTO Type | 540 (1.375) |