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Crawlers, Dozers, Loaders & Backhoes Discussion Forum

Old style slip on grease fittings

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CAL (KS)

06-23-2006 05:34:35




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Anyone know of a source for the old style slip on grease gun or tips. I have heard that it is possible to get an adapter to use a regular grease gun. I dont know if there are many old style grease zerks but im referring to ones on the old HD allis dozers




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Bill in Colo

06-23-2006 13:48:38




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 Re: Old style slip on grease fittings in reply to CAL (KS), 06-23-2006 05:34:35  
I believe the correct name is "Alamite fitting"



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jdemaris

06-25-2006 07:10:49




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 Re: Old style slip on grease fittings in reply to Bill in Colo, 06-23-2006 13:48:38  
The idea for the first high-pressure grease fitting in the United States was developed at the Alemite Die Company - but was not a button-head style. The US miltary began using it around World War I. After the end of WWI, the Alemite Company invented the "button-head" and it came in at least three sizes - the smallest often used on motorcycles. It was used for grease and oil. Shortly after, the Alemite Company purchased the Allyne-Zerk Company that had a pointed grease fitting - and after a few improvements, it became the Zerk fitting often used today. Zerk fittings tend to have a 10,000 PSI rating, whereas the button heads are usually 6000 PSI max. Technically, as far as I can figure, you can call them all Alemites and be correct.

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Doc Larry

06-23-2006 09:22:25




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 Re: Old style slip on grease fittings in reply to CAL (KS), 06-23-2006 05:34:35  
The large (7/8") adapters are about $45 from Lincoln, and about $30 from your local Cat dealer. These are a low pressure fitting for gear lube as George points out...

Larry



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george md

06-23-2006 09:08:57




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 Re: Old style slip on grease fittings in reply to CAL (KS), 06-23-2006 05:34:35  
Cal,

If button head fittings are what you are
describing , there is a reason the manufacturer
put them on the tractor. It is to keep people that don't know better from pumping grease into
a bushing that should have 90 or 140 depending
on the season .

george



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jdemaris

06-23-2006 16:13:31




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 Nonsense in reply to george md, 06-23-2006 09:08:57  
That is just plain not true. Button head fittings have been used for years in factory equipment - some only allowed to be lubed with food-grade grease. The button-head has no better (or worse) ability to hold grease or oil then a zerk fitting does. It does, however, allow one handed pumping and also handles getting hit by rocks and debris much better since it is not pointed. Deere, as well as many other tractor companies sold grease absolutely specific for their track rollers and idler wheels with button-head fittings. Deere started out recommending gear oil until the mid-60s, and then changed the recommendation over to grease except for extreme cold conditions. They found out that gear oil leaks out too fast once a small leak develops. That's why they sold what used to be labeled as "Track and Roller" grease, and is now sold as "Corn Head" grease. Oil was never recommended again until the new type "face seals" were developed for use in undercarriage parts. They can handle moderate wear and still hold oil, unlike the older style seals.

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jdemaris

06-23-2006 06:31:20




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 Re: Old style slip on grease fittings in reply to CAL (KS), 06-23-2006 05:34:35  
I'm assuming you mean button-head grease fittings? Most of my AC crawlers have oil filled undercarriage parts, but my AC HD4 has button-head grease fittings just like the older Deere crawlers used. Several of my Cletracs also have them. They are also used on many types of industrial and manufacturing equipment. Adapters and fittings can be bought from any major industrial supplier - or pay a little more and buy them from a local Deere dealer. They don't really serve any special purpose other than - they are not as easily damaged by debris since they are not pointed, and they also allow you to keep two hands on the grease gun. A regular pointed zerk fitting will work just as well other than the aforementioned.

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Lavoy

06-23-2006 06:25:54




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 Re: Old style slip on grease fittings in reply to CAL (KS), 06-23-2006 05:34:35  
It depends on what size you need, but if they are the smaller head (5/8" I think), I have an ends and a dozen or so 1/8" NPT zerks if you need some.
You can also try a good automotive parts store.
Lavoy



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