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Tractor · 1912Unverified

J.I. Case 20-40

J.I. Case 20-40 — Standard-tread tractor · 20 hp. Reference specifications; pending source verification.

The J.I. Case 20-40 is a tractor with a rated output of approximately 20 hp, situated at the lower end of its class. It was manufactured between 1912 and 1919. The model features a 2-cylinder liquid-cooled engine, combined with a two-wheel drive system and a 2-speed gearbox. Its operating weight is specified at 6305 kg, making it suitable for areas of up to 200 acres.

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

Rated power
20 hp
Max power
18.4 kW
Weight
6305 kg

Catalogue coverage

Variants represented
2
Richest spec table
57 rows
Recorded power
20 hp
Recorded weight
6305 kg
Transmissions
2-speed gear
Production years
1912-1919
Verified variants
0

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
Standard-tread tractorReference
Built in Racine, Wisconsin, USAReference
Total built4,465Reference
Original price$2,100 (1916)Reference
Two-wheel driveReference
SteeringmanualReference
Open operator station. Optional four-post steel cab.Reference

Engine

J.I. Case 12.4L 2-cyl keroseneReference
J.I. Case 14.8L 2-cyl keroseneReference
J.I. Case 17.7L 2-cyl keroseneReference
Fuel tank159.0 LReference
Drawbar (claimed)14.9 kWReference
Belt (claimed)29.8 kWReference
Drawbar (tested)18.4 kWReference
Belt (tested)31.9 kWReference
J.I. CaseReference
keroseneReference
2-cylinderReference
liquid-cooled opposed-twinReference
The original engine, was used on the first model 40 tractors produced in 1912.Reference
Displacement12.4 LReference
Bore/Stroke197 x 203 mmReference
Rated RPM450Reference
Starter typehand-crankReference
The 8-inch bore engine replaced the original engine early in production, at the end of 1912.Reference
Displacement14.8 LReference
Bore/Stroke203 x 229 mmReference
Rated RPM475Reference
Coolant capacity106.0 LReference
liquid-cooledReference
The final, 8.75-inch bore, engine replaced the 8-inch around 1916. Case did not re-rate the horsepower of the tractor, despite a 20% increase in displacement.Reference
Displacement17.7 LReference
Bore/Stroke222 x 229 mmReference
Belt power (max)31.9 kWReference
Max power18.4 kWReference

Transmission

2-speed gearReference
TransmissionJ.I. CaseReference
TypegearReference
Gears2 forward and 1 reverseReference

Dimensions

Weight6305 kgReference
Front tire38x8Reference
Rear tire66x20Reference
Ag front38x8 steelReference
Ag rear66x20 steelReference
Length449 cmReference
Width254 cmReference
Height271 cmReference
Operating weight6305 kgReference
Rear axle100 mmReference

20-40 Serial Number Location

Serial number plate on left side of tractor frame, above the front axle.Reference

Capacities

Diameter60 cmReference
Width21 cmReference

Test results

1082ci kerosene 2-speed 2WDApril 10 - May 7, 1920Link: Nebraska Tractor Test 7 fileReference
Belt fuel use (max)29.1 l/hourReference
Drawbar performanceReference
Max pull2511 kgReference

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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