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Tractor Talk Discussion Board

1000 vrs 540 pto

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Posted by Clay on December 09, 1998 at 16:40:25:

Why do the tractor manufactors use a 1000 rpm shaft on larger tractors and a 540 rpm on smaller tractors? What is the significance of the splines?
21 splines on 1000 rpm
6 splines on a 540

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