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J.I. Case SI

J.I. Case SI tractor
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The J.I. Case SI was an industrial tractor produced from 1942 to 1954 by J.I. Case in Racine, Wisconsin, USA. It was the industrial version of the Case model S tractor. It featured a 35 hp 4-cylinder liquid-cooled gasoline engine with options of 2.5L or 2.7L displacement, a 4-speed unsynchronized gear transmission, and two-wheel drive. The tractor had an open operator station with a steel pan seat and spring suspension. It was equipped with hydraulics of open center type with a 20 gpm pump flow and a continuous rear PTO of type 541. The SI model was built with industrial tires sized 12.00-24 and had a wheelbase of 66 inches and a weight of 4376 lbs.
J.I. Case SIindustrial tractor35 hp tractor2.7L engine4-speed transmissiontractor specifications
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ModelSI

Technical Specifications

Detailed specifications and technical data for J.I. Case SI

Power

Plows:2 (14-inch)
Engine power:35 hp (26.1 kW)
Belt (claimed):21 hp (15.7 kW)
Drawbar (claimed):16 hp (11.9 kW)

Tires

Industrial rear:12.00-24

Engine

Aux. fuel:1.25 gal (4.7 L)
Fuel tank:14 gal (53.0 L)
Engine options:J.I. Case 2.5L 4-cyl gasoline, J.I. Case 2.7L 4-cyl
J.I. Case 2.7L 4-cyl:Displacement: 165.1 ci (2.7 L), Bore/Stroke: 3.625x4.00 inches (92 x 102 mm), Power: 35 hp (26.1 kW), Rated RPM: 1550, Oil capacity: 5 qts (4.7 L), Coolant capacity: 16 qts (15.1 L)
J.I. Case 2.5L 4-cyl gasoline:Displacement: 153.9 ci (2.5 L), Bore/Stroke: 3.50x4.00 inches (89 x 102 mm), Rated RPM: 1550, Coolant capacity: 16 qts (15.1 L)

Height

Hood:51.25 inches (130 cm)
Exhaust:74.25 inches (188 cm)
Steering wheel:64.625 inches (164 cm)

Variants

S:farm tractor
SC:row-crop farm tractor
SI:industrial

Dimensions

Width:56.25 inches (142 cm)
Length:108.5 inches (275 cm)
Weight:4376 lbs (1984 kg)
Wheelbase:66 inches (167 cm)
Rear tread:48.5 inches (123 cm)
Front tread:52 inches (132 cm)
Clearance (rear axle):12.375 inches (31 cm)
Clearance (front axle):12.25 inches (31 cm)

Hydraulics

Type:open center
Pump flow:20 gpm (75.7 lpm)

Mechanical

Drive:Two-wheel drive
Brakes:Disc brakes
Steering:Manual steering
Operator station:Open operator station. Steel pan seat with spring suspension.

Production

Notes:The model SI was the industrial version of the Case model S tractor.
Built in:Racine, Wisconsin, USA
Total built:3740
Manufacturer:J.I. Case
Years produced:1942 - 1954

Transmission

Type:unsynchronized gear
Gears:4 forward and 1 reverse
Clutch:dry disc

Power Take-off (PTO)

Rear PTO:continuous
Rear PTO Type:541