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Q. What oil should be used in the 2012 Paccar 385 hp engine?

A. Paccar recommends an API CJ-4 type engine oil. Currently factory fill is 10W-30 and the preferred grade per their current service bulletin. READ MORE

Author: Mark Betner | Posted @ Monday, March 16, 2015 9:56 AM | » Comments(0)

Q. What precautions can I take to protect my equipment from cold temperatures?

A. With temperatures on the decline and arctic air blasting most of the country, fleet owners in particular need to take special precautions to help protect their rigs and livelihood. READ MORE

Author: Mark Betner | Posted @ Tuesday, February 10, 2015 11:43 AM | » Comments(0)

Q. We use Amsoil in our trucks and were instructed to never change the oil, only add oil as needed. Is this an accepted method?

Comments to consider when extending engine oil service intervals.

A. As far as the product reference mentioned, you should ask the supplier how and why it will support that claim, keeping in mind what is at stake and the factors that have been described in this response. READ MORE

Author: Mark Betner | Posted @ Wednesday, January 21, 2015 4:21 PM | » Comments(0)

Q. Can I use multi-grade oil for cold temperature operation in my 6-71 Detroit Diesel engine?

A. Detroit Diesel’s oil recommendations for all 2-stoke DD engines including the 6-71 have not wavered. Use mono-grade SAE 30 and SAE 40, subject to temperature variances. READ MORE

Author: Mark Betner | Posted @ Tuesday, January 6, 2015 1:28 PM | » Comments(0)

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 for applications operating on “thin ice”. These low-viscosity oils actually include grades such as 10W-30, 5W-40 or 5W-30. READ MORE

Author: Mark Betner | Posted @ Wednesday, December 17, 2014 12:00 AM | » Comments(0)

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 used for differentials and the SAE 50 for transmissions. READ MORE

Author: Mark Betner | Posted @ Wednesday, December 10, 2014 7:50 AM | » Comments(0)

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. READ MORE

Author: Mark Betner | Posted @ Wednesday, December 3, 2014 12:00 AM | » Comments(0)

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 for that component. However, there is more to the story than just extending the service life of the oil. READ MORE

Author: Mark Betner | Posted @ Wednesday, November 19, 2014 12:00 AM | » Comments(0)

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 with an indicator as to what level or how the oil will perform. READ MORE

Author: Mark Betner | Posted @ Wednesday, November 5, 2014 12:00 AM | » Comments(0)

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. READ MORE

Author: Mark Betner | Posted @ Wednesday, October 22, 2014 12:00 AM | » Comments(0)

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 want to give you a textbook definition of these specifications but here is the relevance of these specifications. READ MORE

Author: Mark Betner | Posted @ Wednesday, October 8, 2014 12:00 AM | » Comments(0)

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 grease in a ribbon like manner thinking that the engagement of 5th wheel and trailer will spread the grease correctly. READ MORE

Author: Mark Betner | Posted @ Wednesday, September 24, 2014 12:00 AM | » Comments(0)

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 understanding the differences in base oils. READ MORE

Author: Mark Betner | Posted @ Wednesday, September 10, 2014 12:00 AM | » Comments(0)

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. READ MORE

Author: Mark Betner | Posted @ Wednesday, August 27, 2014 8:37 AM | » Comments(0)

Q. Does Citgo have a high zinc motor oil that would work well in older flat tappet engines?

There is a lot of concern raised over cam damage in older flat tappet gasoline engines when current gas engine oils are used because of the reduction or elimination of zinc. Would using a diesel oil provide the cam protection these older engines are said to require?

A. If you are using the older gasoline engine for normal operating conditions, a diesel engine oil type formulation does typically provide higher Zinc levels and the higher viscosity-15W-40 will provide extra oil film in addition to the higher Zinc. READ MORE

Author: Mark Betner | Posted @ Monday, July 7, 2014 12:00 AM | » Comments(0)

Q. Mark I have an older fleet 1998 to 2007 what oil should I run?

A. Diesel heavy duty engine oils that meet the current American Petroleum Performance Category CJ-4 are backward compatible with older engines such as yours. READ MORE

Author: Mark Betner | Posted @ Monday, June 23, 2014 12:00 AM | » Comments(0)

Q. Is one synthetic oil better than the other?

Why does Mobil say they can go 15,000 miles, and Amz-Oil to 25,000 to oil change. while others just say change at recommended intervals according to the book? Also how far can I go with syn oil in our truck fleet, and again, is one oil better than the other?

A. Your question regarding the products you have referenced need to be directed to those companies to support their claims. However, there can be a difference in the synthetic composition of engine oils. READ MORE

Author: Mark Betner | Posted @ Monday, June 9, 2014 12:00 AM | » Comments(0)

Q. I am wondering if you can tell me what the estimated miles per gallon are for a truck using the CITGARD®SynDurance® 5W-40?

I am trying to make a comparison to show the cost savings per truck annually when using this particular product versus a conventional motor oil such as Shell Rotella 15W-40. It is my understanding that with the SynDurance, there is a fuel savings of about 2 to 5% due to reduced engine friction - is that accurate?

A. Typically the range has been from 1-3% depending on type of fleet. With current diesel fuel prices that can yield an annual savings of up to $1500 or more annually in fuel savings. READ MORE

Author: Mark Betner | Posted @ Monday, May 26, 2014 12:00 AM | » Comments(0)

Q. What type of lubrication do today's automated manual transmissions need?

A. Manual automated generally utilize the same type of drive line lubricant as manual transmissions. READ MORE

Author: Mark Betner | Posted @ Monday, May 26, 2014 12:00 AM | » Comments(0)

Q. Do natural gas engines need different engine oil?

A. If the natural gas engine is spark ignition and operates totally on compressed or liquefied natural gas, major engine manufacturers recommend a natural gas engine oil as opposed to an oil designed to operate on diesel fuel engine and compression ignition. READ MORE

Author: Mark Betner | Posted @ Monday, May 12, 2014 12:00 AM | » Comments(0)

Q. Can I use the same engine oil in my gasoline and diesel powered vehicles?

A. Even though many if not most heavy duty engine oils claim both the API C or commercial performance category for diesel and S or service category for gasoline engines, there are two factors two consider. READ MORE

Author: Mark Betner | Posted @ Monday, April 28, 2014 12:00 AM | » Comments(1)

Q. Will it hurt my engine if I don't use the same brand of oil every time?

A. No, the engine does not develop an affinity for one oil or have a negative reaction to changing brands. READ MORE

Author: Mark Betner | Posted @ Monday, April 14, 2014 12:00 AM | » Comments(0)

Q. What's the correct way to grease a fifth wheel?

A. Good question and an area that is most often neglected or done incorrectly. Many truck 5th wheels are re-lubricated by simply taking the grease dispensing unit and dispensing a ribbon of grease around the 5th wheel plate and often neglecting the 5th wheel jaws which engages the trailer pinion entirely. READ MORE

Author: Mark Betner | Posted @ Monday, March 31, 2014 12:00 AM | » Comments(0)

Q. What's the difference between TBN and TAN in an oil analysis?

A. TBN is total base number and TAN is total acid number. TBN is a measure of the reserve alkalinity or reserve acid neutralization remaining in the oil. READ MORE

Author: Mark Betner | Posted @ Monday, March 17, 2014 12:00 AM | » Comments(0)

Q. How much makeup oil would be considered normal in an older truck?

A. There is no set answer to this question or standard. The answer depends on make, model, engine condition and operating conditions. A badly worn engine will consume more oil than an engine with less wear. READ MORE

Author: Mark Betner | Posted @ Monday, March 3, 2014 12:00 AM | » Comments(0)

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Author Bio

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Mark Betner

Heavy Duty Lubricants Manager

CITGO Lubricants

Mark Betner boasts 35 years of experience in the lubricants business. As the Heavy Duty Product Manager for CITGO Lubricants he is responsible for initiating and implementing the marketing of new products and human development programs and oversees communications with the media, trade shows and consumer education.

Prior to this, he was a field sales manager and technical training administrator at an independent lubricant company specializing in heavy equipment lubrication.

Mark earned a master’s and bachelor’s degree in both chemistry and biology from Indiana University. He holds a certification from the Society of Tribologists and Lubrication Engineers and is a member of the Truck Maintenance Council.

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