on WD 45's is there a common cause for a bad gear whine or possibly a bad bearing in the rear end. New to me tractor I did not notice the noise when I bought it but when working on it I drained the trans/rearend oil and it had a fair amount of water in it I had the top of the tranny off to fix the shifter and put fresh 90wt back in it and now it has a loud whine or noise that you can hear in all gears although the higher the gear and faster you go it gets worse possibly a bearing running dry? Could I see anything if I took the back cover off the rearend or will I have to completly disassemble it. Any thoughts? Thanks
Re: WD45 Gear Whine in reply to brian456, 06-07-2018 06:04:27
You just bought this tractor ???? I'm going to guess that sometime in the past, the rear end has been run very low on oil and the pinion (ring and pinion) bearings have locked up. The previous owner let it cool off, filled it with oil and got it to break loose and viola !! now it moves, but it is very noisy. If you removed the shift cover again you might be able to determine if the pinion bearing is worn/loose by grabbing ahold of the top rear gear and seeing if you can move the top shaft up/down/forward/backwards. There could be a bad lower countershaft bearing, but it should only be noisy in 1st-2nd and 3rd gears and quieter in 4th gear. You could reach around the top gears and see if the lower shaft can be moved around like it has a bad bearing.
Re: WD45 Gear Whine in reply to allis dave, 06-07-2018 06:53:01
Yea this is way beyond a normal gear whine like something is running dry. I have a WD That is real quite that I am using for a comparison. But my WD is a fairly low houred (I know itís history)Tractor where as the 45 I would guess is a very high houred Tractor
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