Tractor · 1956Unverified
J.I. Case 311
J.I. Case 311 — 300 Series · 23 hp. Reference specifications; pending source verification.
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
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.