J.I. Case 311: all source data

All 78 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.

Overview

Production
ManufacturerJ.I. Case
(no label)Row-Crop tractor
(no label)Built in Rock Island, Illinois, USA
Total built8,465
Original price$2,500 (1958)
Engine
(no label)J.I. Case 2.4L 4-cyl gasoline
(no label)Case 2.4L 4-cyl LP Gas
Fuel tank13 gal | 49.2 L
Transmission
(no label)4-speed sliding gear
(no label)12-speed
Power
Drawbar (claimed)23 hp | 17.2 kW
Belt (claimed)29 hp | 21.6 kW
Plows3
Drawbar (tested)29.29 hp | 21.8 kW
Belt (tested)33.0 hp | 24.6 kW
Mechanical
(no label)Two-wheel drive
Steeringmanual
(no label)6-inch disc brakes
(no label)Open operator station.
Hydraulics
TypeDuo-Control
Valves1 (optional)
Hitch
TypeCase Eagle Hitch
Pto
Rear PTOtransmission (4-speed)
Rear PTOlive (Tripl-Range)
Rear PTO Type540
Dimensions
Tricycle Wheelbase (Tricycle)84.3 inches | 214 cm
Wide front Wheelbase (Wide front)79.7 inches | 202 cm
Weight3,561 lbs | 1615 kg
Front tire5.50x16
Rear tire11x28
Serial location
(no label)Serial number plate on instrument panel.
Electrical
Groundpositive
Battery volts6

Engine

Engine options
(no label)J.I. Case 2.4L 4-cyl gasoline
(no label)Case 2.4L 4-cyl LP Gas
Engine detail
(no label)J.I. Case G148
(no label)gasoline
(no label)4-cylinder
(no label)liquid-cooled vertical I-head
Displacement148 ci | 2.4 L
Bore/Stroke3.375x4.125 inches | 86 x 105 mm
Air cleaneroil bath
Compression7.1:1
Rated RPM1750
Starter volts6
Oil capacity4 qts | 3.8 L
Coolant capacity (Coolant)12 qts | 11.4 L
(no label)Case
(no label)LP Gas
(no label)4-cylinder
(no label)liquid-cooled
Displacement148 ci | 2.4 L
Bore/Stroke3.375x4.125 inches | 86 x 105 mm
Air cleaneroil bath
Rated RPM1750

Transmission

Transmission options
(no label)4-speed sliding gear
(no label)12-speed
Transmission
Typesliding gear
Gears4 forward and 1 reverse
Clutch234.9mm dry disc
TransmissionTripl-Range
Gears12 forward and 3 reverse
Clutch234.9mm dry disc (master foot clutch)
Clutchwet discs (traction hand clutch)
(no label)Four gears (1-4) plus reverse (R) in three ranges (low, direct, high).

Dimensions

Tires
Ag front5.50x16
Ag rear11x28
Dimensions
Tricycle Wheelbase (Tricycle)84.3 inches | 214 cm
Wide front Wheelbase (Wide front)79.7 inches | 202 cm
Tricycle Length (Tricycle)131 inches | 332 cm
Wide-front Length (Wide-front)125 inches | 317 cm
Height61 inches | 154 cm
Operating weight3,561 lbs | 1615 kg
Ballasted weight5,995 lbs | 2719 kg
Ground clearance21 inches | 53 cm
Front tread6.4.11.7 to inches (tricycle) | 16 to 0 cm
Front tread52 to 80 inches (wide-front) | 132 to 203 cm
Rear tread48 to 88 inches | 121 to 223 cm