Changing gear oil…which to choose.

1952 Ford 8N. I just checked my gear oil and it appears slightly yellowish on the dipstick. It has been about five years since changing it last. I checked at my local hardware store. They have five gallon buckets of two different ones. An 80-90 gear oil and one marked TDH which says hydraulic/ transmission I believe. Old memory? The TDH is slightly more. Can someone give me some advice? Thanks Dave

Follow Ups:

• Re: Changing gear oil…which to choose. - Tom Wenrich 08:56:13 04/17/25 (0)
• Re: Changing gear oil…which to choose. - Travis 16:26:53 04/16/25 (1)
  • Re: Changing gear oil…which to choose. - DED 05:08:57 04/17/25 (0)

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