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mower deck spindle grease #3866740
09/27/15 08:56 AM
09/27/15 08:56 AM
Joined: Aug 2015
Posts: 49
Louisiana
mech_tech Offline OP
mech_tech  Offline OP
Joined: Aug 2015
Posts: 49
Louisiana
I tried searching around, but it seems there isn't much info on specifically what greases work best for mower deck spindles. I am currently using what little is left in my grease gun from my last job, which they used Mystik JT-6. The supplier they used is an hour away and the only local place that carries it is tractor supply, which is kind of hit and miss with what they stock. Is there another grease that would be ideal for the 100 degree summer days? I am tempted to try the supertech grease but am afraid it might separate in the high temperatures. I suspect a regular lithium grease is preferred for this situation. Any good grease to try that won't separate at high temps and is compatible with the mystik? My local wal-mart carries the Lucas red and tacky, as well as valvoline which autozone also carries. It would mostly be used to snapper rear engine riders in case that makes a difference.

Re: mower deck spindle grease [Re: mech_tech] #3866760
09/27/15 09:15 AM
09/27/15 09:15 AM
Joined: Nov 2013
Posts: 3,213
Kentucky
Ramblejam Offline
Ramblejam  Offline
Joined: Nov 2013
Posts: 3,213
Kentucky
Grease is cheap. Parts & labor are expensive.

Deere SD Polyurea would be available at your local dealer. Use it for everything.




Re: mower deck spindle grease [Re: mech_tech] #3866802
09/27/15 09:53 AM
09/27/15 09:53 AM
Joined: Dec 2004
Posts: 426
Dayton,Ohio
ShotGun429 Offline
ShotGun429  Offline
Joined: Dec 2004
Posts: 426
Dayton,Ohio
Its more important that the Spindles are lubed reguarly than what grease you use. The failures i see are lack of mantaince.

Re: mower deck spindle grease [Re: mech_tech] #3867178
09/27/15 04:24 PM
09/27/15 04:24 PM
Joined: Aug 2011
Posts: 3,264
n.c.
gman2304 Offline
gman2304  Offline
Joined: Aug 2011
Posts: 3,264
n.c.
Iv'e used Valvoline Crimson EP for years. My 17 year old JD LX188 still has it's original deck bearings/pulleys. The deck is almost silent and smooth as silk.

Re: mower deck spindle grease [Re: mech_tech] #3867378
09/27/15 07:07 PM
09/27/15 07:07 PM
Joined: Oct 2008
Posts: 986
Northern, NY
Rob_Roy Offline
Rob_Roy  Offline
Joined: Oct 2008
Posts: 986
Northern, NY
Mystik JT-6 is available at my local WalMart. Might be working checking again if that is what you want to use.



2016 Ford Expedition EL Platinum
2016 Ford Expedition XLT
1999 Ford F350, V10
Re: mower deck spindle grease [Re: mech_tech] #3867429
09/27/15 07:28 PM
09/27/15 07:28 PM
Joined: Sep 2013
Posts: 10,679
Indiana
dlundblad Offline
dlundblad  Offline
Joined: Sep 2013
Posts: 10,679
Indiana
I have used a few various supertech greases with good luck.

I use it on the Kubotas, (mower deck all the way to the loader on the big guy.) as well as the rear mount implements.


03 Jeep WJ 4.0 202k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 186k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 153k Synpower 5w30 Supertech ST3980 (Ecore)

Re: mower deck spindle grease [Re: mech_tech] #3867769
09/28/15 05:26 AM
09/28/15 05:26 AM
Joined: Jan 2011
Posts: 2,826
N.Ohio
Lubener Offline
Lubener  Offline
Joined: Jan 2011
Posts: 2,826
N.Ohio
For years I have used multi purpose grease and never had a spindle go bad. 1973 Bolens and 1985 Craftsman. Important factor is that it is greased regularly.Don't go hog wild and pump 10 shots in because it will overflow under a belt cover and get all over the belt.

Last edited by Lubener; 09/28/15 05:28 AM.

The "thinking" man's friend.
Re: mower deck spindle grease [Re: Lubener] #4075491
04/21/16 11:23 AM
04/21/16 11:23 AM
Joined: Jun 2006
Posts: 15
Oneonta, Alabama
Majsmith Offline
Majsmith  Offline
Joined: Jun 2006
Posts: 15
Oneonta, Alabama
I used the JD Polyurea grease for a few years on my 4310s loader pins and ujoints, and on the spindles on my 345 mower deck. After two spindle bearing failures I switched to the Mystic JT6 grease for the last 14 years....ZERO bearing failures.

The Polyurea does resist washout a bit better, but its not a factor with my lube schedule. I've since switched to a JDs HD Moly grease for my loader pins and chassis.

YMMV

Mike


Mike
2009 Toyota Tacoma V6 Prerunner
2014 Cadillac CTS Vsport 3.6L V6 Twin Turbo
2010 Mazda Mazda3 Hatch 2.5L
John Deere 4310
John Deere X758
Re: mower deck spindle grease [Re: mech_tech] #4078190
04/24/16 12:28 PM
04/24/16 12:28 PM
Joined: Jul 2002
Posts: 4,546
KY
MCompact Offline
MCompact  Offline
Joined: Jul 2002
Posts: 4,546
KY
So what's the consensus on greasing frequency? Every 5 hours? 10?


Mine:
2014 M235i
2009 Cooper Clubman
1999 Wrangler Sahara
1995 318ti Club Sport

Wife's:
2015 X1 xDrive28i


Son's
2009 328i

Buy what makes you smile...
Re: mower deck spindle grease [Re: mech_tech] #4078218
04/24/16 01:00 PM
04/24/16 01:00 PM
Joined: Nov 2007
Posts: 3,996
United States of America
mjoekingz28 Offline
mjoekingz28  Offline
Joined: Nov 2007
Posts: 3,996
United States of America
Two pumps a year?

Re: mower deck spindle grease [Re: mech_tech] #4078402
04/24/16 04:30 PM
04/24/16 04:30 PM
Joined: Jan 2011
Posts: 1,066
Columbus Nebraska
old1 Offline
old1  Offline
Joined: Jan 2011
Posts: 1,066
Columbus Nebraska
I was a Snapper dealer for many years, and actually RARELY ever put grease in the zerk for the blade spindle bearings. Why? because the Large ball bearings are sealed both sides , and I couldn't see how any grease could get into them anyway. Also in over 20 years as a dealer, I don't ever remember replacing any snapper spindle bearings. Other makes, yes.


2017 Nissan Frontier 4.0 5w30
1965 Mustang 200 c/4 10w30 QS defy
1964 Ford Ranchero 302 c/4 15/40 Delo
1929 ford model A No filters, and 15/40 oil
Re: mower deck spindle grease [Re: MCompact] #4407717
05/18/17 08:08 AM
05/18/17 08:08 AM
Joined: Dec 2016
Posts: 453
Indiana
5AcresAndAFool Offline
5AcresAndAFool  Offline
Joined: Dec 2016
Posts: 453
Indiana
Originally Posted By: MCompact
So what's the consensus on greasing frequency? Every 5 hours? 10?


I have a JD Z720a and its easy to grease the spindles on it. I do so every 5 to 15 hours, usually give it a pump or two, then once in a while I give it 5 or so pumps to flush it out.

I think JD spec is every 50 hours.

Re: mower deck spindle grease [Re: mech_tech] #4407749
05/18/17 08:50 AM
05/18/17 08:50 AM
Joined: Jan 2005
Posts: 5,689
Charlotte, NC
Oldmoparguy1 Offline
Oldmoparguy1  Offline
Joined: Jan 2005
Posts: 5,689
Charlotte, NC
My mower deck spindles have no zerks. There is nothing to grease. I've had to replace spindles because of hitting obstructions and breaking the casting, but even then, the bearings and shafts were fine. This on a 20 y/o Poulan Pro 42" rider.


A Randomly Selected Thought For The Day:
If Noah had used Zip, he could have used a smaller boat.
Re: mower deck spindle grease [Re: mech_tech] #4407752
05/18/17 08:56 AM
05/18/17 08:56 AM
Joined: Jun 2003
Posts: 5,949
Illinois
SHOZ Offline
SHOZ  Offline
Joined: Jun 2003
Posts: 5,949
Illinois
I have John Deere with two deck spindles. they said to not over grease which I promptly did and blew the seals on one of them. Years later I finally had to rebuild one of the spindles as it was making so much noise. It has two bearings in it and the grease zerk simply pumps grease into the 2" void between them.

But the bearings were cheap and it was not hard to rebuild it. The other is still good as new. Mower is 18 years old now.


2008 Hyundai Accent 1.6L 5 sp manual hatchback
2010 Hyundai Genesis Coupe Track 2L Turbo 6sp manual
Re: mower deck spindle grease [Re: mech_tech] #4408487
05/19/17 07:22 AM
05/19/17 07:22 AM
Joined: Oct 2015
Posts: 17
Pittsburgh
Chuckh Offline
Chuckh  Offline
Joined: Oct 2015
Posts: 17
Pittsburgh
I have seen Mobile Polyrex EM grease. It is a polyurea grease. http://www.mobil.com/english-US/Grease/pds/GLXXMobil-Polyrex-EM-Series

They are also claiming that it is compatible with lithium greases (I guess telling you in a way that the two won't harden or something bad if they get mixed together). The stuff I found is Mobil POLYREX EP 2 and it is $51.35 per case. That is cheap in my opinion and free shipping if you order $75 or more worth of stuff. I have read in various places that Polyrex EM is very good grease and thta polyurea greases don't build up as much like other greases after the oil is depleted. This is the stuff I ordered and it will last me a long time: http://www.autoparthub.com/MOBIL_POLYREX_EP_2_tubes

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