Hello! I have a Husqvarna YTH1746 mower with a hydrostatic engine. My problem is that when I shift it into gear (forward, reverse and now even neutral) I don't move. My belt is burning on the drive pulley and I don't know what happened. My father pointed out that I may have a bent piece on my transaxle. On the right side (while sitting on the tractor) on the transaxle there is a small piece that looks like a rotor on the bottom on towards the front of the mower. There is a metal piece sticking out right below it and it is touching the rotor piece. Could that be my problem? I have rebuilt a non hydrostatic engine before and just don't know much about this engine. Thanks!
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Have you tried checking the linkage to the hydrostat/transmission? Are you getting full movement of the lever? If not, it might have just come loose and shifted so you only have reverse. If you have full movement of the lever and the hydrostat has the proper amount of fluid it could be fried. It's hard to tell without diagnosing the linkage. I'd suggest blocking the rear wheels off the ground so you don't run over yourself before you go messing with the linkage.
If the engine is running normally and the drive belt between the engine and the transmission is in good shape, most likely you have a failed hydrostatic transmission.
those fluid drive transmissions fail on quite a few brands as they all use the same ones....replace the trans...they are expensive but still cheaper than a new mower.
Does it have gears or a hydrostatic (automatic) transmission?
If it's a gear model, sounds like a loose drive belt.
If it's hydrostatic, it could be a belt problem or a problem inside the transmission. If it's a tranmission problem, this is not good. Many of the transmissions on riding lawn mowers are not serviceable - they are just replaced.
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