Gear lube for brush hog

   / Gear lube for brush hog #1  

momark

New member
Joined
May 17, 2006
Messages
23
What is the best viscosity gear lube to use for a brush hog gearbox? It is an older 5' model. Not sure of the manufacturer. Thanks for any help.

mark
 
   / Gear lube for brush hog #2  
momark said:
What is the best viscosity gear lube to use for a brush hog gearbox? It is an older 5' model. Not sure of the manufacturer. Thanks for any help.

mark

Some manuals call for 90WT gear oil. Some say 120WT. I've seen several old mowers with leaky gear box seals using pourable grease or even regular "axle grease".
 
   / Gear lube for brush hog #3  
momark:
Welcome to TBN :)! I have had 3 rotary cutters: Woods M-40 (40"), Tebben TC96-40 (40"), and a Tebben TC94-500 (60"). Recommendations for gearbox lube were always 80W-90 gear lube. Jay
 
   / Gear lube for brush hog #4  
On an older unit.. I'd use 85-140, unless i knew the specs called for 80w90.

If it leaks a little, use JD cornhead (pourable) grease.

If ya can't get it, any 0# grease will work... or just get most of the gear oil out and pump in regular tube grease, and let it mix with the remaining gear oil to make a sticky flowable mess..

Soundguy
 
   / Gear lube for brush hog #5  
I'd use 85-140. It'll be less viscous at startup than 80-90w that most specify and be more effective in getting lube swirled around quicker.

Ralph
 
   / Gear lube for brush hog #6  
why are there so mach variation on price on brush cutters...i see on ebay some are buy now for $750 and some are much cheaper....i have a 4 ft and a 5 ft and don't know the name on either...i don't see a brand name anywhere on them...both work properly and i was thinking of selling one of them? any thoughts?
 
   / Gear lube for brush hog #7  
some light duty, some medium duty, some heavy duty, Heavy duty being priced higher. Some will have higher rated gear boxes.
 

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