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  1. #1
    Silver Member
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    Aug 2009
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    Default lubrication-bush hog gearbox

    bought a used bushhog and not sure how to lubricate the gear box. has two hex head set plugs in it, one above the other. top one is larger and bottom one much smaller. I think the top one is the fill plug and the bottom one is where one checks the fill level. { i guess could almost be the drain plug} ques, do i fill until gear oil comes out the bottom hole or fill up to the top plug hole
    Last edited by jimbo64; 06-17-2010 at 09:18 PM.

  2. #2
    Advertiser sweettractors's Avatar
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    Jul 2003
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    Central Kentucky
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    JD 6403 CHA-JD 3130 CHA

    Default Re: lubrication-bush hog gearbox

    Quote Originally Posted by jimbo64 View Post
    bought a used bushhog and not sure how to lubricate the gear box. has two hex head set plugs in it, one above the other. top one is larger and bottom one much smaller. I think the top one is the fill plug and the bottom one is where one checks the fill level. { i guess could almost be the drain plug} ques, do i fill until gear oil comes out the bottom hole or fill up to the top plug hole
    Cant say for sure without seeing it. Most gearboxes are full at the bottom of the input shaft. Ken Sweet
    http://www.sweetfarms.com/

    Sweet Farm Equipment LLC (Internet Sales, Shipping All States)
    Shipping Facility
    1815 Defries Rd., Canmer, Ky 42722 Toll Free 1-866-528-3323
    Ken Sweet sweet@scrtc.com

    Shipping Example: Can ship 800 lbs from Ky. to Dallas for $165
    The Northeast shipping corridor is a little more expensive.

  3. #3
    Super Star Member brin's Avatar
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    Jul 2009
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    Georgia - Mt. Vernon by The Store just 5 miles east and right by the big oak tree then to the creek.

    Default Re: lubrication-bush hog gearbox

    Quote Originally Posted by jimbo64 View Post
    bought a used bushhog and not sure how to lubricate the gear box. has two hex head set plugs in it, one above the other. top one is larger and bottom one much smaller. I think the top one is the fill plug and the bottom one is where one checks the fill level. { i guess could almost be the drain plug} ques, do i fill until gear oil comes out the bottom hole or fill up to the top plug hole
    Yes, that is the way my bush hog gear box is ..fill at the top until it runs out of the one on the side or bottom and then put the nut back in.
    Bob

    WORRYING does not take away tomorrow's TROUBLES, it takes away today's PEACE.


    NH - TC-29 , FEL, Bush hog, Bush hog brand finishing mower, Post hole digger, 6' Back blade, sub-soiler, Pallet forks, 20KW PTO Generator , 21 hp Murray Mower
    JD -3020 with FEL and a 16 HP. K-Grow Lawn Tractor (bought from K Mart 1994) and runs great !
    Clark 130 EN Mig Welder

  4. #4
    Silver Member
    Join Date
    Aug 2009
    Posts
    211

    Default Re: lubrication-bush hog gearbox

    thanks guys for the inputs, i'll keep checking bottom hole and if gear oil comes out, i'll assume she's full. Have a great one

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