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Solved. Removed all of the fuel lines from tank to lift pump and made sure they were clear. Replaced spring clamps with hose clamps. Previous owner had a longer fuel line from the lift pump to injector pump which made a loop. Replaced that with the short piece it is suppose to have...

Troubleshooting for a friend Kubota rtv x1100c. They were having issues with it randomly shutting off when they were using it. Said it would run fine for a couple hours and then randomly just shut off. Said if they left it a couple hours or overnight it would usually restart. Problem is now...

You need to put a pressure gauge on the charge valve port at the back of tranny. If you can't build pressure there, I'd bet that the hst motor is shot in the tranny. I just did another one of these. Not a cheap fix, but cheaper than a new hst assembly.

Working on an x1100c for a neighbour. Runs fine but can only get about 12mph out of it. Charge pressure within spec....any ideas?

Does anyone have an aftermarket source for rear driveshaft u-joints for an rtv1100? Kubota prices are insane.

I worked on one for a neighbour that had 16500hrs. Still ran great.

Got it fixed. Took the position control valve off and apart. The little screen had a hole in it so I guess it wasn't doing it's job. I took things all apart and cleaned things out well. Now it's back to normal.

There are 2 spools. So 4 lines go off the valve to the loader. There's another line for supply from the pump and another for oil to the 3pt hitch

It does have power beyond which supplies oil to the 3pt.

2 lines

It's totally factory

The tractor did still operate when I got it, just not well. The loader and 3pt were working. After the repair, everything worked perfectly until the 3pt stopped raising. The loader does have a 2 spool valve. Oil for the 3pt is routed through it.

I purchased the tractor with a hst that was ground up. Pulled the tractor apart and replaced the hst pump and motor. Have put 20hrs on the machine since the repair Just the other day the 3pt would only go up if the engine was at 1700rpm or higher. I changed the hyd filters. No change...

Changed the filters and no difference. About 1600rpm the 3pt will come up slowly, but if I stand on it, it won't come up. At full throttle, it comes up quickly. At idle, it won't move at all. Took the check valve and safety valve out of the control valve and everything was clean. Still the...

With no weight on the 3pt, it will slowly come up if the engine speed is set high. I noticed at idle, when cold that the loader jerks a bit when trying to raise. I'm wondering if I have some plugged hyd filters? Only 20hrs on the oil since I repaired the hst, but perhaps it's flushed some...

No safely limiting devices. The speed control knob works as it should, but doesn't have any effect on the hitch not raising.

This tractor had a piled-up hydrostat that I rebuilt. Has been working greatfor the last 20 hrs. Went to use in today and the 3pt won't raise. The control lever is moving what it should but there is no movement in the 3pt hitch. If I lift it up manually, it will stay up. Hst, power...

The 3pt and the drive pulses

Unless the 3pt hitch is all the way down, the hydraulics pulse on my tractor. Any ideas as to the cause?

Here is a video of the noise