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J.I. Case 311-B

J.I. Case 311-B tractor
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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.
J.I. Case 311-Btractorspecificationsenginetransmissiondimensionshydraulicsattachmentsrow-crop tractor
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

1:Foot clutch
2:Hand clutch
3:Throttle
4:Gear shift
5:Range shift
6:Brakes
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)

Related Models

J.I. Case 311

Model:311