How fast

Anonymous-0 · Mar 28, 2014

john deere A with 1.5 mph first gear and 18.4-38s turning 1650 rpm how fast will it go

Anonymous-0 · Mar 28, 2014

What was the original size tire? The speed change can be calculated using the difference in circumference between the original tire and the new replacement tire. The calculation should be pretty straight forward.

north puller · Mar 28, 2014

I'm gonna assume a stock tire size of 13.6-38 and a rated rpm of 975.

The larger tires and extra rpm should give you approx 2.8 mph.

Dblair · Mar 29, 2014

original size is 11-38 or modern size 12.4-38 . North puller is close enough .

How fast

Anonymous-0

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Anonymous-0

Well-known Member

north puller

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Dblair

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