hart parr 40

1923 - 1927

Standard-tread tractor

Standard-tread tractor

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.

Displacement

617.7 ci 10.1 L

Bore/Stroke

5.50x6.50 inches 140 x 165 mm

Rated RPM

800