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John Deere GPWT - engine

John Deere GPWT tractor photo
1929 - 1933   Two-Cylinder Letter Series
Row-Crop tractor
more John Deere GPWT specifications...




 

Engine Detail:

Original engine, used until 1930. Water-injection system was used to prevent detonation ("knocking") with low quality fuels. All GP-P tractors used the 5.75-inch bore engine.
 John Deere
 kerosene
 2-cylinder
 liquid-cooled
 311.6 ci [5.1 L]
Bore/Stroke:5.75x6.00 inches [146 x 152 mm]
Air cleaner:oil bath
Rated RPM:900
Coolant capacity:36 qts [34.1 L]
 

Engine Detail:

Introduced at S/N 402040 in July of 1930. The new engine had a larger bore with lower compression. It had slightly more power with better fuel economy. The lower compression eliminated the pre-ignition problem when using low-quality fuel, so the water-injection system was eliminated.
 John Deere
 kerosene
 2-cylinder
 liquid-cooled
 339.3 ci [5.6 L]
Bore/Stroke:6.00x6.00 inches [152 x 152 mm]
Air cleaner:oil bath
Rated RPM:950
Coolant capacity:36 qts [34.1 L]
 

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Last update:June 4, 2016
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