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Thoughts on tractor trailer chassis grease #5425510 05/10/20 12:01 PM
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thejudges69 Offline OP
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On my tractor trailer I'm looking for a great option for a chassis grease, brake cams, u-joints, spring pins and so on. A GC-LB grease.

I'm currently using mystik JT-6 #2 w/o moly high temp, red tube, red grease. Reading from a lot of people's opinions is why I chose it. I'm needing to buy a 35# pale of grease and I'm looking for input. The mystik grease seems to stay in place much better than the Chevron ESI EP#2 grease I used to use and also. The Chevron seemed to bleed a lot in the grease gun and case where the mystik does not. The Chevron seemed to "sling" a lot more from the u-joints also.

So my question, is the mystik still a good suggested best option? I've been using the mystik for over a year, but my supplier sells gulf, Kendall, Philips 66, mystik and several other I believe. I don't want to mess with moly, I'm reading a high content of moly is bad for universal joints. I'm not looking for extended grease intervals, I grease every 6500 miles, full chassis front to back minus the fifth wheel.

Thanks in advance..

Re: Thoughts on tractor trailer chassis grease [Re: thejudges69] #5425635 05/10/20 03:31 PM
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zfasts03 Online Content
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I like Mystik JT6 high temp. without moly (red) and with moly (grey) for the appropriate applications. It has never let me down. Functions well pumping from a grease gun in various temperatures. Little to no leak out from the grease gun and stays in place/attaches to metal surfaces well.

2 greases that have caused me confusion/issues is:
-Valvoline Synpower. It is supposed to be good for temps. -40F - 425 degrees F. For me it doesn't want to pump well in the cold and it seems dry as the oil leaked out. It also doesn't want to attach to the metal surface due to the dry nature as my tube is 5 years old.

- Now my Schaeffers 238 which is 4 years old now starting to seem dry also and getting harder to pump and less willing to attach to surfaces with a dry feel, but not as bad as Synpower.

I will most likely be reducing down to the 2 Mystik JT6 greases above for all my applications. The price is "right" and it hasn't let me down. If I could change one thing it would be nice if the operating temperature was lower than the -10 F.

I have not used the Chevron grease.

Does the tractor trailer have requirements that are not listed by the Mystik JT6?

Last edited by zfasts03; 05/10/20 03:34 PM.

- 03 Corvette Z06
Amsoil 5w-30 SS
- 07 Honda Accord 2.4L
Amsoil 5w-20 SS
- 16 Suburban 5.3L
Amsoil 0w-20 SS, XG10575(16-28 by-pass)
- 18 4Runner TRD Off Road
Amsoil 0w-30 SS, TRD filter
Re: Thoughts on tractor trailer chassis grease [Re: thejudges69] #5425660 05/10/20 04:02 PM
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Chris142 Offline
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I run valvoline 3% moly grease ( ford approved) in everything including my old peterbilt. Never had any trouble.


02 Wrangler Napa high milage 10w40
87 F250 Valvoline 15w40
07 fjcruiser Car lube plus 10w30
Z400 castrol T 10w40
Can am Maveric edge 5w40
57 case tractor Chevron sae30
Re: Thoughts on tractor trailer chassis grease [Re: thejudges69] #5425667 05/10/20 04:15 PM
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krismoriah72 Offline
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I had 12 dump trucks and 2 tractors hauling asphalt, gravel and ash.

I had air greasers, battery greasers and 2 handhelds.

The air greasers were too easy to overgrease, the battery greasers were a PITA and the handhelds with pistol grips almost always won out.

Ive used many greases and the Mystik is the best bang for the buck..easy to find and seems to have great washout resistance.

If i had one truck and trailer i would get a case of Mystik and a pistol grip Alemite 555 and call it a day.

Re: Thoughts on tractor trailer chassis grease [Re: zfasts03] #5425669 05/10/20 04:17 PM
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thejudges69 Offline OP
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Originally Posted by zfasts03
I like Mystik JT6 high temp. without moly (red) and with moly (grey) for the appropriate applications. It has never let me down. Functions well pumping from a grease gun in various temperatures. Little to no leak out from the grease gun and stays in place/attaches to metal surfaces well.

2 greases that have caused me confusion/issues is:
-Valvoline Synpower. It is supposed to be good for temps. -40F - 425 degrees F. For me it doesn't want to pump well in the cold and it seems dry as the oil leaked out. It also doesn't want to attach to the metal surface due to the dry nature as my tube is 5 years old.

- Now my Schaeffers 238 which is 4 years old now starting to seem dry also and getting harder to pump and less willing to attach to surfaces with a dry feel, but not as bad as Synpower.

I will most likely be reducing down to the 2 Mystik JT6 greases above for all my applications. The price is "right" and it hasn't let me down. If I could change one thing it would be nice if the operating temperature was lower than the -10 F.

I have not used the Chevron grease.

Does the tractor trailer have requirements that are not listed by the Mystik JT6?


I don't know of any requirements, my concern was if there was a better option. I'm very happy with the mystik, just thought I would ask. I'm not really in the Schaeffer's bandwagon so I won't really get into that.

Re: Thoughts on tractor trailer chassis grease [Re: krismoriah72] #5425671 05/10/20 04:20 PM
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thejudges69 Offline OP
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Originally Posted by krismoriah72
I had 12 dump trucks and 2 tractors hauling asphalt, gravel and ash.

I had air greasers, battery greasers and 2 handhelds.

The air greasers were too easy to overgrease, the battery greasers were a PITA and the handhelds with pistol grips almost always won out.

Ive used many greases and the Mystik is the best bang for the buck..easy to find and seems to have great washout resistance.

If i had one truck and trailer i would get a case of Mystik and a pistol grip Alemite 555 and call it a day.



I use a Lincoln air grease with a feather trigger, I'm pretty good with it. And a Milwaukee battery one that does a good job. It would take forever to grease my truck and trailer with a pistol grip. I'd have forearm muscles for days though. 🤣

Re: Thoughts on tractor trailer chassis grease [Re: thejudges69] #5425691 05/10/20 05:06 PM
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zfasts03 Online Content
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I select moly/no moly on this basis.

The slow moving joints that get the pounding, like tie rod ends, ball joints, pitman arm, steering links, and sliding splines on driveshafts get the moly JT6.

U-joints and wheel bearings get the no moly JT6.


- 03 Corvette Z06
Amsoil 5w-30 SS
- 07 Honda Accord 2.4L
Amsoil 5w-20 SS
- 16 Suburban 5.3L
Amsoil 0w-20 SS, XG10575(16-28 by-pass)
- 18 4Runner TRD Off Road
Amsoil 0w-30 SS, TRD filter
Re: Thoughts on tractor trailer chassis grease [Re: thejudges69] #5425803 05/10/20 07:41 PM
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Rudy1999 250 Offline
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TRC ---TEXAS REFINERY 880 CROWN AND CHASSIS

will not pound out, will not wash out .. if your truck is how you make money ? then get serious and

Check out STEVE IS THE OIL GUY on YouTube

Last edited by Rudy1999 250; 05/10/20 07:42 PM.

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Re: Thoughts on tractor trailer chassis grease [Re: Rudy1999 250] #5425958 05/10/20 11:43 PM
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thejudges69 Offline OP
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I will tomorrow. Do you have experience with this grease?

Re: Thoughts on tractor trailer chassis grease [Re: thejudges69] #5426068 05/11/20 07:16 AM
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Rob_Roy Offline
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The Mystik grease is a decent grease for the money, but you can reduce your grease consumption with a premium grease. The TRC 880 mentioned above is a great example. A lot of people can't get over paying more for the grease, but once they find out they only use half as much as don't have to crawl under the truck as often they look at it differently.

Good luck with whatever you choose.


2016 Ford Expedition EL Platinum
2016 Ford Expedition XLT
1999 Ford F350, V10
Re: Thoughts on tractor trailer chassis grease [Re: Rob_Roy] #5426155 05/11/20 08:55 AM
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thejudges69 Offline OP
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Paying more up front at times can mean paying less in the long run.

I'm not seeing any reps near me. And I'm not seeing a 35lb pail. I'm going to call Texas refinery today and see what they say.

Re: Thoughts on tractor trailer chassis grease [Re: thejudges69] #5426191 05/11/20 09:29 AM
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Rob_Roy Offline
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They have 880 in pails, and if you don't have a local rep. they will sell direct. Very nice people.


2016 Ford Expedition EL Platinum
2016 Ford Expedition XLT
1999 Ford F350, V10
Re: Thoughts on tractor trailer chassis grease [Re: thejudges69] #5427412 05/12/20 01:52 PM
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bchannell Offline
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What is the base of 880 grease, how about compatibility?

Re: Thoughts on tractor trailer chassis grease [Re: bchannell] #5427967 05/13/20 08:00 AM
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Rob_Roy Offline
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Originally Posted by bchannell
What is the base of 880 grease, how about compatibility?


calcium 12 hydroxy stearate

It is compatible with most common greases you would find in the trucking industry. https://www.machinerylubrication.com/Read/1865/grease-compatibility


2016 Ford Expedition EL Platinum
2016 Ford Expedition XLT
1999 Ford F350, V10
Re: Thoughts on tractor trailer chassis grease [Re: thejudges69] #5428610 05/13/20 09:04 PM
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Rudy1999 250 Offline
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Yes, sorry been Busy,, Yes i have a TON of experience with this Grease.


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