Quote:
Originally Posted by Hib Halverson
(snip)
There are no "straight cut" gears in any version of the ZF S6-40.
Gears in the early 6-40s have a slightly smaller helix angle and that's why the early transmissions are a little more noisy and have a little higher input torque rating.
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A
picayune distinction, to be sure, Hib.
