Kohler OHC motors

Just heard about the 16hp overhead cam Kohler motors.Saw
it on the Walker site.Any experiences with this motor.
First OHC mower motor I've seen.

 

Here is some Kohler info on this engine. Note that it is not new (May 1998)

http://www.kohlerco.com/pr/engines/ohcnatl.html

They call it the Triad™ OHC It is clamed to get beter fuel efficiency due to less moving parts.

http://www.kohlerco.com/powersystems/engines/enginescommercial.html#OHC

Me, I know nothing about it.

Frank