You sure Chelsea isn't the PTO cable? That's a brand of PTO, and a good one. Thermo King? Sounds like a refrig unit! Course all these companies could have made controls and cables and installer just used what his shop had. How about names like Garwood or Underwood or something like that. Should be able to buy hydraulic oils at tractor or farm supply stores. It's usually generic and around 10wt. some even use trans fluid for auto trans in cars. You can buy it in 5 gal buckets if you need a lot. Is there a body installer or equipment installer in your area? Call or visit them and talk to parts counter guy. They can maybe help with questions. Drive truck there if it works and drives and Show them.
