Husqvarna ride on lawn mower wasn't even cutting grass going out virtually idling speed and all the sudden loss all drive to the hydrostatic gearbox won't go forwards reverse motor runs fine no smells no leaking oil on the ground could possibly be a wire come off with doesn't let it go the hydrostatic work with

SOURCE: I HAVE HUSQVARNA 1548 RIDING MOWER HYDROSTATIC

You may have a drive belt that is worn or broken. Check the drive belt for slack condition see if it is not slipped off idler pully wheels or the belt tensioner. I had one that was streched out and was very slack on the pully wheels - I had it replaced with new one and was fine to go. There is a device on the back of your tractor to release the transaxle for manual pushing your tractor about with out starting the engine. Make sure the device is positioned correctly for running mode (engine) - There is a symbol on the back to help you know what to do. The tractor manual has good trouble shooting info and if you don't have one, try googling for it with the model number of your tractor - you will be able to download one free to your computer for viewing it.

Good luck!

SOURCE: Hi. I have an Alko T18-102HD ride on lawn mower

I had the same problem with my Alko going slow in forward and reverse. Believe it or not the problem is caused by a build up of grass cuttings around the hydro clutch mechanism. If you follow the mechanism from the foot pedal you will probably find the actuator is being prevented from engaging by a build up of old grass. Clean it out and you should find it restores normal operation. This has happened to me a few times so now I blow out the grass on a regular basis with an air compressor which stops me having any problems. It also stops a hefty bill from the service dealer :-)

SOURCE: craftsman riding lawn mower won t cut grass

Does it die when you attempt to engage the cutting deck? If so the you might have a clogged fuel filter, bad gas, dirty air filter, bad spark plug.
Or the mower engage switch may be faulty. They are located in different places on different mowers. But should be attached somewhere along the main pivot of the engage lever. Let me know if you need more assistance. Good Luck!!

SOURCE: Husqvarna Riding Lawn Mower Problem

sounds like a linkage problem or the valve in the trans some older ones had a problem with a roll pin inside the trans falls out of place cheap fix but a lot of time to pull the trans out and apart

SOURCE: Husqvarna Riding Lawn Mower Yth24v48ls 48 Inch Cut hydrostatic transmission slipping

first i would check the belt tension also check the belt for oil is so look for the cause of the leak the repair the leak and replace the belt