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Q. How is the new lighter grade thin ice oil working on the newer diesel engines?

A. I am not exactly sure what “thin ice” oil is, but your question is good. I assume you are concerned about newer low-viscosity oils that may be considered...

Q. What is the proper weight lube for a rear trans rebuild?

A. Generally, differentials can be lubricated with SAE 75W-90, 80W-90, 85W-140 or even 80W-140 gear oils which helps people know which product should be...

Q. Is it practical to switch to synthetic lubes after running mineral oils for a long time?

A. Yes - equipment owners have changed to synthetic lubricants without problems.

Q. I've heard that if you have shorter drain intervals you don't need to buy high-priced engine oils. Is this accurate?

A. So called high priced oils can provide some capability to optimizing the service intervals as long as you know what the manufacturers recommendations are...

Q. Can you determine the quality of an oil by its color or thickness?

A. No - Color of an oil is not a method of evaluating oil quality. Oils can vary with base oil and the additive selection and color does not provide you...

Q. Do automated and automatic transmissions have any different lubrication requirements than manuals?

A. Absolutely there is a difference-refer to your manufacturers recommendations for their specification requirements.

Q. I hear about TBN and TAN in oil analysis. What do these mean?

A. The most basic explanation of these specifications is that TAN means total acid number and TBN mean total base numbers. Technically oriented people will...

Q. What type of grease should I use for my fifth wheel?

A. Proper application of grease is equally important as the type of grease. The frequent incorrect method of lubricating a 5th wheel is to simply apply the...

Q. I hear about different types of "base stocks" used in oils. Can you explain what this means?

A. Attempting to provide a meaningful explanation to the differences in base oil there is an excellent reference provided on the internet entitled...

Q. As fleets turn their engines off more frequently to reduce idling, especially in operations where this happens numerous times per day, what is the effect on the engine oil?

A. Engines that start and stop frequently tend to have several potential lubrication related issues.

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