Farm Equipment - WD45 final drive

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WD45 final drive

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=31832
Printed Date: 29 May 2025 at 7:38am
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Topic: WD45 final drive

Posted By: WhiskeySup
Subject: WD45 final drive
Date Posted: 06 Jun 2011 at 1:14pm

Is it normal to hear the final drives while driving. Mine makes a low growl sound. Have plenty of oil in the trans.

Replies:

Posted By: Brian G. NY
Date Posted: 06 Jun 2011 at 6:34pm

The "final" drives are the big bull gears powered by the pinion gears off the differential ouput shafts.

So.........you may want to pull the plugs on the final drive pans to see if they are full.

A certain amount of whine/howl is normal; especially on a tractor that has been really worked over the years.

Posted By: RickUP
Date Posted: 06 Jun 2011 at 7:02pm

I bought a '53 wd-45, and changed all the fluids, and found no metal shaving. There is a gear noise everytime I work it. I'm not worried about it. If you hear growl and grinding then check fluids for metal. You don't have to drain all of it to check. Good luck.

Posted By: AC WD45
Date Posted: 06 Jun 2011 at 8:10pm

Yes, when I work mine hard I can hear a gear whine to. Guy who used to work where the tractor was bought said they did that even when new.

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German Shepherd dad
1957 Allis Chalmers WD45
#WD234847
1951 Allis Chalmers WD
#WD88193

Posted By: Alberta Phil
Date Posted: 06 Jun 2011 at 9:05pm

My WD 'sings' pretty well, too. It has not gotten any worse in the ten years that I have had it. It seems quietest in 4th, which it doesn't get into very often, only when goin' for the mail!.

Posted By: 79fordblake
Date Posted: 06 Jun 2011 at 9:45pm

My WD45 also does it, it is full of oil and there is no metal shavings.

Posted By: John In.
Date Posted: 07 Jun 2011 at 1:17am

My does it once in awhile. mostly when just driving it down the road..it comes and goes..

Posted By: WhiskeySup
Date Posted: 07 Jun 2011 at 8:43am

Many thanks for the feedback-puts my worrys to rest. This is my first tractor and with a limeted budget I cant afford major repairs.