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Subject: grease instead of 80/90 wt oil in gear box

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Ronald    Posted 08-25-2020 at 20:43:12 [URL] [DELETE]        [Reply] [Email]  
  • grease instead of 80/90 wt oil in gear box
  • So today I posted an issue about a leaking gearbox on my county line 5 foot brush hog and one poster said to replace the gear oil with grease from the pump gun and fill up the gear box with it. Stated he has done this because of constantly having oil leaks from the gear box. Is this for real?

    Frank (WNY)    Posted 09-01-2020 at 13:14:56 [URL] [DELETE]        [Reply] [Email]  
  • Re: grease instead of 80/90 wt oil in gear box
  • I bough a used King Kutter 5 ft brush hog a few years ago It is in good condition with little rust, but had a leaky bottom seal. I used a chain hoist to lift it on itís side against a tree and chained it up to the side of the tree. Then I used a couple of wedges made from a 8Ē block of 4X4 with a 4 pound hammer to knock off the stump pan. The seal was pretty easy to replace. So far I donít see any leaks.

    Dean    Posted 08-25-2020 at 22:19:08 [URL] [DELETE]        [Reply] [No Email]  
  • Re: grease instead of 80/90 wt oil in gear box
  • Works in the short term but will ruin the gears in the long term.

    Gears are case hardened and need EP additive to protect the thin hardened layer.

    No EP additive in chassis lube.

    If your gearbox seals are not totally gone, you can use CNH Pourable HI EP oil. It is about the consistency of 00 grease and is loaded with EP additive.

    Available from CNH but your dealer may need to order it.

    Dean

    Ron    Posted 08-26-2020 at 06:29:44 [URL] [DELETE]        [Reply] [Email]  
  • Re: grease instead of 80/90 wt oil in gear box
  • thank you for responding with great advice.

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