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kurtztree

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What kind of motor oil do you use for your stump grinder? How often do you change it?
 
We run the usual automotive oils changing the oil and filter every 50 hrs.
 
We run Amsoil full synthetic. Change it every 200-250hrs.
Its great stuff. My truck oil, I change every 25,000 miles.
Hunter
 
Hunter,

I have an Amsoil bypass filter system on my Perkins diesel chipper.. havent changed the oil in three years....it is mighty black, but that is normal for diesel, right?

But I think the bypass filters that use Scott single ply toilet paper are better..and cheaper.
 
My John Deere diesel manual states regardless of the type of oil used in the machine, it should still be changed at least every year due to moisture penetrating into the oil.

Has anyone else heard of this?
 
I have a gasoline powered stump grinder and I run straight 30wt during the warm months and 15-40wt in the cold months. In my diesels I run 15-40wt year round.

Ben,
Let me know by PM if you think I'm off the mark.
 
Considering cost, Its much more economical with 25,000 mile drain interval, and regular oil wont perform as well. The price of this stuff is not much more than standard synthestic, and I am not spending time changing oil every 3000-5000 miles.

Hunter
 
I'm running Pennzoil 30wt in my stump grinder. 30 wt because that is what the manufacturer recommends in all temps above freezing and Pennzoil because my mechanic is convinced that it is one of the best performing oils IN AIR COOLED ENGINES> Is he right? I don't know but I have no complaints. I also treat my engines with Slick 50. Does it really work? Well-------I documented 8% milage increases on a couple of vehicles and when I had my stump grinder rebuilt after 9 years (actully just re rung) It had no bearing slop and the cylinder dimensions were at factory new spec.-The re ringing was needed because I started getting oil blowby due to tired rings.

I like syntheics but take a different approach-I like to run 20% synthetic with 80% conventional oil and change at 5000 miles. That gives you most of the benefits of synthetic (cleanliness and wide range flowability) except for extended change intervals ---which I do not trust.
 
Bwalker,

I have an analysis kit, and need to do that, thanks for reminding me.

stumper, I think that if you change your filter often, extended intervals should be fine. or use a bypass filter and eliminate changes.
 
Considering cost, Its much more economical with 25,000 mile drain interva
Not when you consider changing your bypasss filters/regular filter makeup oil and the required analysis.

regular oil wont perform as well
Unless your in a arctic climate(yourn not) there is very little if any performance differances between Amsoil and a quality synthetic. Certain diesel oils will equal amsoil performance at a 1/3 the cost.
 
I went to the auto parts store for a oil filter on my 630B stump grinder. I almost fell over they wanted $79.95 for a vermeer oil filter for it. I ordered a couple of puralator oil filters for a little over seven bucks a piece.
 
In our grinders we use Rotela 15-40 and change it every 100 hours.

In our vehicles we run the appropriate Penzoil and change the filter and oil every 3000 miles.

To me a 25k mile oilchange seems far feched and ignorant, but I am not an oil expert. I get the 3k for everthing from my father. We had a car that we bought new, after 15 years you could still see through the oil at the 3k mile changeout.
 
You should really take a look at the Amsoil. Its a 25,000 mile change interval, Not ignorant. Amsoil sticks behind there product and the people that use it.
Its really good stuff.
Hunter
 
Originally posted by Hunter
You should really take a look at the Amsoil. Its a 25,000 mile change interval, Not ignorant. Amsoil sticks behind there product and the people that use it.
Its really good stuff.
Hunter


Got a web site? Thats a long time, it would be interesting to see a long term comparison.
 
Amzoil is really good stuff! I have used it it works real good! I am currently using another make of synthetic oil in my powerstroke! I have been changing the oil every 50,000 miles and have had zero troubles! I do change my filter every 10,000 and top the oil off. A good quality synthetic oil is defintly woth the price if kept clean!
 
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