[Shrewcub]

Originally Posted by J-Mech

Here's the reason. Most engines turn counter clockwise looking at the rear of the engine. (There are a few cases where that isn't true, but it's a pretty inclusive rule.) With rare exception, as in the Cubs and some older Kubota's, the PTO turns clockwise when looking at it.

I guess that's why Kohler considers the PTO side of the engine the rear.
Magnums anyway, I don't know on the K's.