In a specific embodiment, power generator 26 is {HEAD ~ a Kohler 150REOZV} and {TAIL ~ second power generator} 28 is a Kohler 500REOZV 
In a specific embodiment , power generator 26 is { HEAD ~ a Kohler 150REOZV } and { TAIL ~ second power generator } 28 is a Kohler 500REOZV
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH