I have a kioti rx6010pc with a power shuttle. The power shuttle intermittently disengages from forward drive. Reverse will still work. After turning the tractor off and sitting for a while. The tractor will then go forward. This may happen 2-3 times in 30 minutes or not at all in 4-5 hours. Talked with two dealers. One said it was the solenoid, needed to take it in for diagnosis. Would not give me an estimate. I can't see giving him a blank check for repair. Other dealer said would have to replace the shuttle shift valve and just the part was $2,300 plus shipping. Has anyone had this problem before, know the correct answer, know where to buy the solenoid, or know where to buy the shuttle shift valve at a reasonable price? Thanks for any suggestions.