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Help pick 1: Lucas marine grease, wd40 all purpose or Mobil Centaur XHP 462 #5207823 09/08/19 03:53 PM
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mker Offline OP
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I been using Castro pyroplex blue for years. While it is an excellent grease for kingpins, it may not be perfect for lubing truck brake slack adjusters and brake camshaft bushings. Every time I lube the truck the old grease come out like chocolate cream. I need something with better rust protection and long life. I usually only grease these brake components once a year. With most of my trips in NY NJ area so the winter temp is not extremely cold but still they use a lot of salt on the roadway.

I have narrowed down my search to these three. All are supposed to be calcium sulfonate based or OBCS (is this the same thing?).
Lucas marine grease
WD-40® Specialist® True Multi-Purpose Grease
Mobil Centaur XHP 462
Or anything that I can obtain on the web.

What I mostly looking for are rust and water protection in winter. Also the grease won’t freeze in freezing temperature with even with water contamination.

Re: Help pick 1: Lucas marine grease, wd40 all purpose or Mobil Centaur XHP 462 [Re: mker] #5207847 09/08/19 04:28 PM
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UrS4 Offline
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Here's some other calcium sulfonate greases that is worth considering.
TOTAL ceran series
BP energrease MP-MG 2
Cat desert gold with moly smile , maybe cat have more CS grease products.?
Amsoil (I can't remember the product name)

An alternative to calcium sulfonate could be regular calcium soap, calcium complex or aluminium soap...


Personally I would not buy the wd40 grease. The base oil viscosity is very low.!!

Last edited by UrS4; 09/08/19 04:31 PM.

1993 Audi S4 2.2 20V Turbo - German Castrol Edge FST 0W-40 - Mahle filter
Re: Help pick 1: Lucas marine grease, wd40 all purpose or Mobil Centaur XHP 462 [Re: mker] #5207881 09/08/19 04:58 PM
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wkcars Offline
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Maybe something like this...i've never used it but specs looks decent. https://www.amazon.com/gp/offer-lis...ligible?ie=UTF8&f_primeEligible=true

Re: Help pick 1: Lucas marine grease, wd40 all purpose or Mobil Centaur XHP 462 [Re: wkcars] #5207898 09/08/19 05:26 PM
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Originally Posted by UrS4

...
TOTAL ceran series
BP energrease MP-MG 2
Cat desert gold with moly smile , maybe cat have more CS grease products.?
Amsoil (I can't remember the product name)
...

The first two I don’t think I can obtain easily in the states, probably some euro spec stuffs that don’t sell here.
While cat desert gold is a domestic grease. the automatic brake slack adjusters can’t use grease with moly since it may cause slippage of internal one way clutch according to haldex, which made them. I forgot to mention this. Sorry. And it looks like most other cat grease use at least 5% of moly. I probably will look into amsoil grease if they are not too expensive. Thanks for the suggestion.
Originally Posted by wkcars
Maybe something like this...i've never used it but specs looks decent. https://www.amazon.com/gp/offer-lis...ligible?ie=UTF8&f_primeEligible=true

$30 for a case of ten. That is so cheap. Make me wondering what condition will the amazon warehouse return deal be like? I probably can still use it without a grease gun on fifth wheel plate if some of the tubes are smashed and flatten.

Re: Help pick 1: Lucas marine grease, wd40 all purpose or Mobil Centaur XHP 462 [Re: mker] #5207975 09/08/19 07:25 PM
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Chris142 Online Content
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Every trucking company I have worked for used Chevron grease. It was blue. LoL.


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: Help pick 1: Lucas marine grease, wd40 all purpose or Mobil Centaur XHP 462 [Re: Chris142] #5208025 09/08/19 08:47 PM
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Originally Posted by Chris142
Every trucking company I have worked for used Chevron grease. It was blue. LoL.


Castrol pyroplex blue is blue as well. Lol.

The only chevron grease that is calcium based is texclad 2, which contains moly and graphite. I can’t use moly grease in slack adjusters.

Meritor, who made the trailer axle bushings and trailer slack adjusters, recommends calcium sulfonate complex grease over clay based synthetic (for low temp) over lithium based grease. Their calcium sulfonate grease spec O-704 calls for Tek-678, which no one sells. And I don’t want mix clay based grease with lithium grease that is already in the system. Their clay based spec O-645 is mobiltemp shc 32.

Wear protection is least of my concern over rust and water protection for brake adjusters and s cam bushings. Calcium sulfonate grease looks like the best choice.

I ordered the liquid wrench marine grease from the $30 amazon warehouse deal. I probably will use it this winter. Only time will tell if I will see more of the chocolate color grease next year.

Re: Help pick 1: Lucas marine grease, wd40 all purpose or Mobil Centaur XHP 462 [Re: wkcars] #5210432 09/11/19 07:42 PM
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Originally Posted by wkcars
Maybe something like this...i've never used it but specs looks decent. https://www.amazon.com/gp/offer-lis...ligible?ie=UTF8&f_primeEligible=true

I just received the amazon warehouse deal order of the liquid wrench marine grease. Every tube is in good condition. I was a little surprised by the red color. I always thought marine grease is supposed to be blue or green. And every single tube is upside down in the box. The plastic cap side sitting on the bottom and the pull tab side on top. No oil leeching out from the cap however. So far so good.

Re: Help pick 1: Lucas marine grease, wd40 all purpose or Mobil Centaur XHP 462 [Re: mker] #5210543 09/11/19 10:19 PM
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wkcars Offline
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I wouldn’t be surprised if someone returned it because it was red laugh hopefully it works good for your application

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