Repair shop for Hurth 150V transmission--Connecticut, Great Lakes?

Any recommendations for a shop that will rebuild the Hurth 150V in our 1988 NS30U?

In the Houston area, none of the shops are interested in working on anything smaller than a D6 Cat dozer.

Bill Howze
Breezing Up
1988 NS30U-SD
Galveston Bay

Hi Bill,