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John Deere AR - engine

John Deere AR tractor photo
1937 - 1953
Model years
Orchard/Vineyard tractor
more John Deere AR specifications...




 

Engine Detail:

Original engine, used until 1940 at serial number 259334.
 John Deere
 all fuel
 2-cylinder
 liquid-cooled horizontal twin
 309 ci [5.1 L]
Bore/Stroke:5.50x6.50 inches [140 x 165 mm]
Cooling system:thermo-siphon
Air cleaner:oil bath
Compression:3.96:1
Rated RPM:975
Firing order:1-2
Oil capacity:9.25 qts [8.8 L]
Coolant capacity:32 qts [30.3 L]
Sparkplug gap:0.030 inches [0.762 mm]
 

Engine Detail:

Larger engine, introduced in 1940 (serial number 260000)
 John Deere
 all fuel
 2-cylinder
 liquid-cooled
 321 ci [5.3 L]
Bore/Stroke:5.50x6.75 inches [140 x 171 mm]
Air cleaner:oil bath
Compression:4.45:1
Rated RPM:975
Firing order:1-2
Oil capacity:11 qts [10.4 L]
 

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Last update:June 23, 2016
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