J.I. Case 20-40 Engine


J.I. Case 20-40 tractor photo
1912 - 1919
Standard-tread tractor
Series:20-40
22-40
Engines overview
J.I. Case 12.4L 2-cyl kerosene
J.I. Case 14.8L 2-cyl kerosene
J.I. Case 17.7L 2-cyl kerosene
Engine Detail
J.I. Case
kerosene
2-cylinder
liquid-cooled opposed-twin
The original engine, was used on the first model 40 tractors produced in 1912.
Displacement:755 ci
12.4 L
Bore/Stroke:7.75x8.00 inches
197 x 203 mm
Rated RPM:450
Starter type:hand-crank
Engine Detail
J.I. Case
kerosene
2-cylinder
liquid-cooled opposed-twin
The 8-inch bore engine replaced the original engine early in production, at the end of 1912.
Displacement:904 ci
14.8 L
Bore/Stroke:8.00x9.00 inches
203 x 229 mm
Rated RPM:475
Starter type:hand-crank
Coolant capacity:112 qts
106.0 L
Engine Detail
J.I. Case
kerosene
2-cylinder
liquid-cooled
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.
Displacement:1082 ci
17.7 L
Bore/Stroke:8.75x9.00 inches
222 x 229 mm
Rated RPM:475
Starter type:hand-crank
Page information
Last update:September 22, 2015
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