Craftsman YS 4500 Limited Edition tractor will not move forward or backwards. Tractor operated a little sluggish last fall on soft ground and slight grades. Had to move lever back and forth to get it to move at all. Moved at a very slow rate. Have checked the transaxle drive belt tension and it seems to be good. Have changed the belt, checked keys in wheels, and linkage to the transaxle and all are good. Tractor will not move at all now.
Without knowing your type of usage history on the machine, it would seem that your transmission has failed. It has a light duty transmission and is not designed for heavy torque loading such as heavy hauling, plowing etc. That said, ensure that the release control on the back of the tractor near the hitch is push fully inward. There are a few steps we can perform to confirm a failure; First lets purge the transmission to ensure its not air locked. to purge, pull the release valve for pushing the tractor at the rear near the hitch. start the engine and allow to run for a couple minutes at low idle. Increase throttle to mid range and place the transmission control to full forward and then full reverse, pausing for 10 seconds in each range. repeat three times and then turn off the engine. Now place the transmission release back into the operate, push it inward fully, restart the engine and bring to mid throttle. Abruptly engage forward then revers three times. your transmission is now purged and you can test for any improvement. Check the transmission fluid level to ensure it is full in the resevoir. If the transmission is still slipping than it has likely failed and will need to be replaced.
I am sorry you are having problems with your tractor. Without a model number, I am not sure what type of transaxle you have. I will give you the general information for a tractor not driving. Please read the following information and if it is not helpful please reply with a model number and details.I will try to give you all information needed to fix the tractor. The first question is have you removed the rear wheels. The rear wheels have a square axle key that drive them. I have provided you with an image below showing the placement of the axle key.If the axle key is in position, the next check to make is if the drive belt is still on. With the tractor on a level surfaced and the engine off look under the tractor at the drive belt. The belt should be free of slack and go around all of the pulleys.If your tractor has a hydrostatic transaxle, I recommend you try to purge the air out of the system. The purging instructions can be found in your owner's manual and I have posed them below. Next check the brake lever on the transaxle. If it has been sitting for a long period of time it might be stuck on. The lever is located on the right side of the tractor inside of the frame. I recommend working the lever back and forth to make sure it is moving freely. When you are looking under the tractor, have someone move the shifter. When the shifter is moved, you should see the shifter on the transaxle move. If the shifter is properly attached, have someone start the tractor and let out on the brake. Now carefully look under the tractor at the Trans axle drive pulley. The drive pulley should be spinning. If the pulley is spinning, the problem is most likely a defective transaxle. I hope this helps get the tractor going. If you need further assistance, please reply with the details of what you have found. Here is a link to order any parts you need. Sears Parts Direct .If you do not feel confident repairing this problem yourself, then you can have it repaired at your home by a Sears technician. Here is a link for the website: Sears Home Services . Thank you for using Manage my life. Mark T.
As per above - I realize more info might help. The tractor drives, but very slowly forward and back. It does get up a bit of speed sometimes, but it is very variable and tends to be extremely slow. I checked the brake and that moves freely. I also purged the air out of the transmission (tried this a few times) and no joy. Thanks.
Try pulling back on the brake pedal when you are experiencing the problem. If the tractor picks up speed and acts normal, I suspect the problem is a broken return spring. If it does the same, I recommend checking the oil level in the transaxle. I will be happy to give you the information on checking the oil. Please reply below with the model number under the seat so I make so you get the correct information.
To check the fluid level in the transaxle remove the battery first. Then clean the top of the transaxle and look for the plug on the top of transaxle. Remove the plug and measure from the top of the transaxle to the oil level. It should be about an inch down. If it needs oil use 5W-50 synthetic oil. if the oil level is fine and all else is fine I suspect the problem is a failing transaxle.
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