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Mower grease recommendations #5339864 02/03/20 09:32 AM
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lancerplayer Offline OP
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I recently picked up a new-to-me John Deere zero turn mower. I'm looking for a grease that is readily available at Wal-Mart that will be suitable for this application.

Here is what the manual states:

• John Deere Multi-Purpose SD Polyurea Grease

• John Deere Multi-Purpose HD Lithium Complex Grease

If not using any of the preferred greases, be sure to use a general all-purpose grease with an NLGI grade No.2 rating.

Any grease in particular you are very happy with?



Re: Mower grease recommendations [Re: lancerplayer] #5339917 02/03/20 10:46 AM
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Lubener Offline
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I use Supertech multi purpose or any multi purpose grease I come across for my mowing equipment. I been happy with it.


The "thinking" man's friend.
Re: Mower grease recommendations [Re: lancerplayer] #5339976 02/03/20 12:00 PM
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Last edited by mattwithcats; 02/03/20 12:03 PM.

2009 Smart Pure
Pennzoil Platinum Euro 0W-40, Wix XP 51356 filter, 45 mpg...
185/55R15 General HP tires, "H" speed rated, 44 psi (300 kpa)
Re: Mower grease recommendations [Re: lancerplayer] #5339996 02/03/20 12:37 PM
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IDK if Valvoline Crimson is available at Walmart, but I’ve used it on my 1998 JD and it has the original deck pulleys and steering components.

Re: Mower grease recommendations [Re: lancerplayer] #5340069 02/03/20 02:56 PM
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ford46guy Offline
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I use the Valvoline Ford Lincoln Mercury spec grease. Any chassis grease in a tube will do.


95 Tbird V8 240K PP SYNTH ULTRA 5W30
98 MGM 160K M1 HM 5W20
96 Explorer EB V6 159K PP SYNTH HM 5W30
95 Conti 155K MC 5W20
11 GS350 90K PP HM 5W30
Re: Mower grease recommendations [Re: lancerplayer] #5340081 02/03/20 03:22 PM
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tundraotto Offline
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any GC-LB rated grease will work fine. I would be careful with the polyurea greases - they work well, but are incompatible with many other grease types, ie you should not mix them.

Re: Mower grease recommendations [Re: lancerplayer] #5340095 02/03/20 03:40 PM
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Dave9 Offline
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As tundraotto began to mention, the polyurea grease is an issue.

Since they mentioned it, it is possible that it is already present from use on the mower. If that is the case, you need to determine where it was used and use the same (type, polyurea of whatever brand is handy) on those area(s), OR completely clean that grease out if you want to start using the same standard (any brand) lithium complex #2 grease on *everything*.

Ask the prior owner if it's old enough that the odds are, it has already been greased again after the factory load. Let's hope it has been... for wear's sake.

I would have thought that the manual should have mentioned which areas have which grease, or else that they shouldn't have used polyurea or mentioned it at all.

Last edited by Dave9; 02/03/20 03:44 PM.
Re: Mower grease recommendations [Re: lancerplayer] #5340275 02/03/20 07:38 PM
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Jimzz Offline
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Lucas Xtra Heavy-Duty Grease is a shear stable polyurea grease.
https://www.walmart.com/ip/Lucas-Xtra-Heavy-Duty-Grease/36052505


yup
Re: Mower grease recommendations [Re: lancerplayer] #5340527 02/04/20 05:54 AM
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Lucas Red 'N' Tacky is usually available at Walmart and will meet the specifications for a Lithium complex NLGI #2 GC/LB lube. It has a high drop point and reasonably good water washout characteristics. Some of us here note a tendency for the oil to separate in the gun, but I've been using in on a riding mover for four years with no other complaints. See https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/5106877/lucas-red-n-tacky#Post5106877 for more on oil separation.

Re: Mower grease recommendations [Re: lancerplayer] #5340891 02/04/20 01:34 PM
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JHZR2 Offline
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IME mowers get so dusty and dirty, I’d want to grease with something with max moly (5%), grease light, wipe away as much as we can.

Re: Mower grease recommendations [Re: lancerplayer] #5341020 02/04/20 04:30 PM
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tundraotto Offline
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Schaeffers #238 has it (5% moly)

Re: Mower grease recommendations [Re: lancerplayer] #5343158 02/06/20 10:09 PM
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lancerplayer Offline OP
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In regards to mixing greases, do you recommend I pick one and pump in the new to push out the old?



Re: Mower grease recommendations [Re: lancerplayer] #5344226 02/08/20 12:58 AM
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tundraotto Offline
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Isn't that mixing greases? Sure, if you get it all out it's not.

Re: Mower grease recommendations [Re: lancerplayer] #5352528 02/17/20 09:01 AM
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bchannell Offline
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Ok, JD recommends their PU grease for almost everything and it is a darn good choice. There does seem to be some confusion about PU being mixed with other common greases. There are, or were, two different PU greases. I can't remember off the top of my head their actual nomenclature, One, the older formula, was not compatible with most other greases, while the newer formula, was compatible with a lot of other greases. The JD PU is of the formulation that can be mixed with no problems. I can attest to that over many years of using it, and mixing it with other greases. I use a lot of Mystic Red grease and often use JD PU in the same machinery with no ill effects. But, hey, don't take my word for it, call JD and ask if their PU is compatible, they'll say yes it is with most lithium based greases. Of course when you get into aluminum based greases and some other exotic mixes, I'm thinking I wouldn't mix them, but the common lithiums are fine. If you search the internet, you'll find in JD literature that their PU is compatible with a lot of other greases.
As I said earlier, their JD PU is really good grease and is the factory fill for an awful lot of their machinery. The fact that it's also fairly cheap doesn't hurt either.

Re: Mower grease recommendations [Re: lancerplayer] #5352625 02/17/20 10:53 AM
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tundraotto Offline
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There is a "Grease compatibility chart and info" as a sticky on top of the main page of this grease forum.

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