hart parr 20

Hart-Parr 20 tractor photo
1920 - 1924 Standard-tread tractor
1920 - 1924
Standard-tread tractor
1920 - 1924
Standard-tread tractor
1920 - 1924
Standard-tread tractor
Engine options
Hart-Parr 4.6L 2-cyl gasoline
Hart-Parr 5.1L 2-cyl
Engine Detail
Hart-Parr
gasoline
2-cylinder
liquid-cooled
Displacement
281.4 ci 4.6 L
Bore/Stroke
5.25x6.50 inches 133 x 165 mm
Rated RPM
800
Engine Detail
Hart-Parr
2-cylinder
liquid-cooled
The larger engine was used in the model 20C beginning at tractor serial number 35501.
Displacement
309 ci 5.1 L
Bore/Stroke
5.50x6.50 inches 140 x 165 mm

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