Based on operation, it's closed center, the tractor hates the backhoe. When I bought it, it came with what appears to be a relief valve (pic attached) but neither the seller nor the local JD dealer tech (maybe 20yr old, I think the parts are older than him) knew what it did or how to set it up...
Oldnslo there are only 2 houses connected between the tractor and backhoe, both by quick disconnects. Pressure from the pump and lo/ no pressure return. When the 'hoe is connected I have to disconnect a "loop" hose from the tractor that disables my 3pt lift arms. Is there a way to create a...
Backstory: I have a JD 3720 hydrostatic open station, added the power beyond hydraulic ports as suggested by the dealer. I'm using a Bushhog 765 3 point (not frame) mounted backhoe and it's functional, HOWEVER, the tractor HATES the backhoe. The hydraulic pump whines and is obviously burdened by...
A front end loader on the tractor seemed like a no-brainer when I bought my little New Holland TZ18. When i upgraded to a larger John Deere 3520 and got the quick change bucket, I eventually got a set of forks it was literally life changing. I could never again be without the forks.