I have a friend who wants to put a PT stump grinder on his Bobcat 542B. The Bobcat specs are 8 GPM @ 1,575 PSI ( specs here).
The 180 specs are 8 GPM @ 2,000 while the 4xx series is 8 GPM @ 2,500. Seems odd to me that the 180 specs seem like a closer match to his Bobcat.
My question is...