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It seems like my dealer is trying to discourage me from continuing with repair. The service manager insists that cost would probably run about $14k and could go as high as $18k. Whether they replace the HST or repair by replacing parts. My take on the whole thing is that they don't feel...

Thank you so much for the info. Tractor is in local dealership shop. Now that I am a bit more knowledgeable, I will go in and talk to them about their troubleshooting protocol. Or may just bring home and check pressure relief valve myself. Thanks again for your help.

Thanks for the info. Adds clarity to what I have found so far. I accessed the WSM troubleshooting flowchart for " no forward movement" and the resulting solution was to check the pressure relief valves, as you suggest. I assume that the photo depicts the HST? Is this unit accessed after...

Thanks for your input. The external linkage looked ok to me and the folks at the local Kubota dealership felt that all was good with the external linkage as well. They then told me that it would cost $4,000 to open up the machine and then trouble shooting would start. Said cost of repair...

Thanks for the HST Manuals. The HST seems like an extremely complicated system. Are the Kubota dealership mechanics likely to be able to repair this problem successfully. Cost to separate the tractor (to allow access to HST) is $4000 +. Then they start troubleshooting.

Thank you. Would you mind sending the manual sections for the HST system?

L5030 with HST will not move forward when shuttle petal is depressed and the forward shuttle pedal position seems "limp" (no resistance when depressed). Will drive normally in reverse when the pedal is depressed for reversing. Linkage that is exterior to the cast iron case is all normal...