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J.I. Case 311

J.I. Case 311 tractor
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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.
J.I. Case 311Case 311 tractorrow-crop tractor300 Seriestractor specificationsfarm tractor2.4L engine4-speed transmission
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

Related Models

J.I. Case 311-B

Model:311-B