Grease guns in cold weather - The Combine Forum
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post #1 of 60 (permalink) Old 06-21-2015, 06:46 AM Thread Starter
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Grease guns in cold weather

Anybody have any suggestions about what is the best grease gun for using in cold weather?

When I say cold, I mean anything from about 20 degrees Celcius down to freezing.

I am talking about manual grease guns, not electric or air operated.

I have the current model MacNaught K29, and while it is a little better than the old model, it still isn't much use in cold weather. Here it is - Macnaught - articles

The MacNaught sales reps at field days say that nobody has problems with the grease guns in cold weather. The MacNaught online contact says there has been no complaints since the updated model has been out.

I am currently using Caltex Liplex EP2 grease. I tried Caltex Delo EP2 grease but it was even worse. Mobil XHP222 was a waste of time. BP Energrease LC2 was not too bad, but it is very hard to get in this area, no distributors.

A neighbour has a Alemlube grease gun which works better in cold weather, but looks rather flimsy and may not last very long.

The MacNaught K29 is rather sturdy and well made. But it just doesn't do its job in cold weather.

Anybody else have trouble greasing in cold weather?

Anybody have any suggestions about other brands?

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post #2 of 60 (permalink) Old 06-21-2015, 08:49 AM
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I haven't owned an electric unit yet so its all by hand and what I've used for a number of years is Esso ... now Mobil Epic EP 102 grease. Its an NLGI grade 1.5 thickness and semi synthetic. I won't claim it pumps at the freezing point like it does on a summer day as that would be bs-ing a lot but its far better than a typical number 2 grade grease. They do make it in a moly version too and I have used some of that but thought better of using moly in everything and went back to the regular grease. I don't know how it compares price wise but I'd say buy a bit and try it out assuming its compatible with the other greases you've been using and I suspect it most likely is if they are all lithium type greases as well. Here's a link to the grease which also lists the moly and another thinner grease with high moly content that I have no experience with and I don't think its the best to use moly in some types of bearings anyway ... but bushings is the cats meow, hard to have a grease that can do it all.

Mobil Epic? Grease

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post #3 of 60 (permalink) Old 06-21-2015, 11:08 AM
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I've also had good luck with the John Deere manual grease gun... are you sure you are storing those tubes and guns right side up? All I've used for grease is some brand X stuff the local co-op sells, and as mentioned, the typical western Canadian farmer deals with temps well below the range you are experiencing in Oz.
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post #4 of 60 (permalink) Old 06-21-2015, 04:05 PM
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Use an EP-1 or 0 rating

This will help
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post #5 of 60 (permalink) Old 06-21-2015, 05:56 PM
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I remember my father shoving the grease gun into the exhaust pipe of the tractor for a couple of min on cold mornings. Not sure if it made it warmer to hold onto or made it work better. . This was in the day of plain wheel bearings that needed frequent lubrication.
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post #6 of 60 (permalink) Old 06-21-2015, 06:11 PM
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As I mentioned before about the grease I am using vs what had been used years ago which was always an EP 2 grease, It does puzzle me why there would be enough cold temps in Australia to cause any issue at all with grease. But never the less at 0c an EP 2 grease does stiffen up although if you are still having issues at 20c with grease, I'd be pointing to the grease gun or the type of coupler ends your using, or you have some damaged zerks and really warm grease can pass through where otherwise its more of a struggle. Just grasping at straws here as maybe us up in the northern States or Canada are used to things becoming stiff ... and we don't know any different
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post #7 of 60 (permalink) Old 06-21-2015, 10:05 PM
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Northern Farmer uses Mobil Epic 102 and I use Mobil EP Epic Moly. Very similar properties but I can pump the Epic Moly at -35C with no problem with any regular grease gun.

Mobil Epic EP 102 and Mobil Epic EP Moly have excellent low temperature dispensing and pumpability, as low as -40C and thermal stability in applications as high as 150C.

Mobil Epic? Grease

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post #8 of 60 (permalink) Old 06-21-2015, 10:17 PM
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We use a manual lincoln heavy duty that works pretty well along with synthetic blended grease. After we bought the milwaukee m-18 cordless cold is a non factor. I know several companies make a 2 stage manual grease gun a higher pressure and a higher flow
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post #9 of 60 (permalink) Old 06-21-2015, 11:33 PM
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Never had a problem with any grease gun down to 0 C. Below that it's not too bad. Used to throw the grease gun in the exhaust of the cat to warm it up when it got down to -15 or lower. Made greasing all the cable pulley sheaves much easier to do. We've always used the regular blue grease and have never had problems with it. For most other equiptment when it's cold we have a grease gun inside where it's warmer for that purpose.
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post #10 of 60 (permalink) Old 06-22-2015, 12:35 AM
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Hello CTS2
When I worked in the bush, I pumped many a tube of Co-op moly grease with an Alemite hand pump grease gun while greasing the skidder. & I'm not talking about 20 C, I'm talking about -20 C.
If you are having trouble with your grease gun at 20 C, throw that **** thing in the bush, but put it under a wheel & drive over it first, & then get yourself a real grease gun.

Thank You
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Last edited by MCatSHF; 06-22-2015 at 12:38 AM. Reason: Typo.
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