Hart-Parr 40 Engine


Hart-Parr 40 tractor photo
1923 - 1927
Standard-tread tractor
Engine Detail
Hart-Parr
gasoline
4-cylinder
liquid-cooled
The Hart-Parr 22-40 used a pair of two-cylinder engine blocks from the 20C on a single crankshaft to create the four-cylinder engine. Early models used two carburetors while later models had a single carburetor to feed both blocks.
Displacement617.7 ci
10.1 L
Bore/Stroke5.50x6.50 inches
140 x 165 mm
Rated RPM800
Page information
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Updated on December 5, 2020
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