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Tractor · 1956Unverified

J.I. Case 311

Name: J.I. Case 311
Brand: J.I. Case

J.I. Case 311 — 300 Series · 23 hp. Reference specifications; pending source verification.

The J.I. Case 311 is a tractor rated at approximately 23 hp, positioning it at the lower end of its class. It was manufactured between 1956 and 1958. The tractor is equipped with a 4-cylinder diesel liquid-cooled engine and two-wheel drive with a 4-speed gearbox. Its listed operating weight is 1615 kg, suitable for operations on up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

23 hp

Max power

21.8 kW

Weight

1615 kg

Catalogue coverage

Variants represented

Richest spec table

86 rows

Recorded power

23 hp

Recorded weight

1615 kg

Transmissions

4-speed sliding gear

Production years

1956-1958

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerJ.I. CaseReference

Row-Crop tractorReference

Built in Rock Island, Illinois, USAReference

Total built8,465Reference

Original price$2,500 (1958)Reference

Two-wheel driveReference

SteeringmanualReference

6-inch disc brakesReference

Open operator station.Reference

Variants

300diesel utilityReference

301diesel row-cropReference

302diesel high-cropReference

310gasoline utilityReference

311gasoline row-cropReference

312gasoline high-cropReference

320industrialReference

Engine

J.I. Case 2.4L 4-cyl gasolineReference

Case 2.4L 4-cyl LP GasReference

Fuel tank49.2 LReference

Drawbar (claimed)17.2 kWReference

Belt (claimed)21.6 kWReference

Plows3Reference

Drawbar (tested)21.8 kWReference

Belt (tested)24.6 kWReference

J.I. Case G148Reference

gasolineReference

4-cylinderReference

liquid-cooled vertical I-headReference

Displacement2.4 LReference

Bore/Stroke86 x 105 mmReference

Air cleaneroil bathReference

Compression7.1:1Reference

Rated RPM1750Reference

Starter volts6Reference

Oil capacity3.8 LReference

Coolant capacity11.4 LReference

CaseReference

LP GasReference

liquid-cooledReference

Belt power (max)24.6 kWReference

Max power21.8 kWReference

Transmission

4-speed sliding gearReference

12-speedReference

Typesliding gearReference

Gears4 forward and 1 reverseReference

Clutch234.9mm dry discReference

TransmissionTripl-RangeReference

Gears12 forward and 3 reverseReference

Clutch234.9mm dry disc (master foot clutch)Reference

Clutchwet discs (traction hand clutch)Reference

Four gears (1-4) plus reverse (R) in three ranges (low, direct, high).Reference

PTO & Hydraulics

TypeDuo-ControlReference

Valves1 (optional)Reference

TypeCase Eagle HitchReference

Rear PTOtransmission (4-speed)Reference

Rear PTOlive (Tripl-Range)Reference

Rear PTO Type540Reference

Dimensions

Tricycle Wheelbase214 cmReference

Wide front Wheelbase202 cmReference

Weight1615 kgReference

Front tire5.50x16Reference

Rear tire11x28Reference

Ag front5.50x16Reference

Ag rear11x28Reference

Tricycle Length332 cmReference

Wide-front Length317 cmReference

Height154 cmReference

Operating weight1615 kgReference

Ballasted weight2719 kgReference

Ground clearance53 cmReference

Front tread16 to 0 cmReference

Front tread132 to 203 cmReference

Rear tread121 to 223 cmReference

311 Serial Number Location

Serial number plate on instrument panel.Reference

311 Serial Numbers

19566050301Reference

19576075001Reference

19586095001Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundpositiveReference

Battery volts6Reference

Test results

Gasoline 4-speed 2WDApril 15 - 23, 1957Link: Nebraska Tractor Test 613 fileReference

Belt fuel use (max)11.4 l/hourReference

Drawbar performanceReference

Gear 3 used for power test.Reference

Max pull1898 kgReference

Gear 1 used for pull test.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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