Gear noise in Super C

thumbanger · Jun 17, 2009

My Super C when moving has gear noise its not poping or grinding its just noise. How concerned should I be with it or what should I look for. When I bought it there was about 1 1/2 gallons of water and the same amount of gear oil. Drained and put 5 gallons of fresh gear oil in. Thanks for any help.

ScottyHOMeY · Jun 17, 2009

These are straight-cut gears so there is some inherent noise anyway. Do you notice it more in some gears than in others? Is it louder or does it change between pulling or coasting in a given gear? If the tractor was worked a lot and hard (say plowing or cultivating) in a particular gear, you can bet on it being noisier.

No popping is a good sign, but if you can describe anything else, it might help identify a serious problem.

Hugh MacKay · Jun 17, 2009

Thumbanger: Time to get out the old broom handle. Jack one rear wheel of the tractor, as the weight comes off the wheel look for any movement between axle in relation to axle carrier. With wheel off ground, anchor another tractor to the drawbar for safety. Start the tractor in gear, let the jacked wheel turn free. Put one end of broom handle to your ear and other end on various places around transmission and rear end casting. Listen for noise, particularly the one your familiar with, you'll be amazed at what you can hear, move the broom handle around on casting, you should be able to zero in on the noise. Repeat the same with other wheel jacked. If you don't have a spare broom handle, and you want to be a bit more sophisticated, tool shops sell stethescopes for just that purpose.

thumbanger · Jun 17, 2009

Noise in all gears off and on while coasting down hill. Rocked tractor back and fourth sounds like it is in front where drive shaft comes out of trans.

ScottyHOMeY · Jun 17, 2009

That wouldn't be an unusual spot to be noisy, apart from the bearings in the motor, that bearing and the one further back on the same shaft are the only ones that are always turning, except when the clutch is thrown out. If you think about it, it's also the point where the shaft the input gears are mounted on reaches the outside of the tranny to make any internal noise more audible to the outside. Where the noise is on the coast side, I'd expect gear noise before I'd think that bearing was the source.

If the noise could generally be described as a groaning or whining with no real popping or grinding, living with it might be easier than the split to replace both of them, at which point, because you'll have the top off, you might as well replace . . .

If you've got good lube in there, I wouldn't worry about it. They made noise when they were new, and they'll make noise now. Do you have any experienced tractor wranglers that might come by and give it a listen?

thumbanger · Jun 17, 2009

The groaning and whining describes the noise really well. I have good 90 wt in her thanks a lot for your help guess I will live with it until I can do better. James

thumbanger · Jun 17, 2009

Thanks Hugh I will try your little trick.

farmerjohn · Jun 17, 2009

I have the super c that my grandfather had, has made whining noises for the past 35 years. Each gear has its own specific sound.

Hugh MacKay · Jun 17, 2009

Thumbanger: Don't cut off your wife's broom handle, then blame me. At least buy her a new broom first.

ScottyHOMeY · Jun 17, 2009

Buy her a new broom first! What a comedian!

I had a banker stop by my office for a maintenance visit (his bank had custody of about $45 million for us). We were srapping up the meeting when he happened to mention that he'd gotten his wife some sort of high-falutin', water-jacket, many hp, tri-directional vacuum cleaner for their anniversary. I looked in my Glover reference in the upper left drawer of my desk and couldn't find the vacuum cleaner anniversary (there's paper, glass diamond, silver, gold, losts of things but no Electrolux), and suggested he throw some posies and confections into the deal and pay for the babysitter when he took her out to supper.

Kids. Have to tell 'em everything anymore!

Hugh MacKay · Jun 18, 2009

Scotty: I'm just trying to stay out of trouble. This same subject and the same advice got me in a heap of trouble about 4 years back.

Gear noise in Super C

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