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Categories > Diesel Engines

What is the Best Diesel Oil for Diesel Engines?

Proper maintenance of your diesel engine can greatly prolong the life of your vehicle. You may ask yourself, what is the best motor oil for diesel engines? Not all motor oils are equal, and choosing the best motor oil for diesel engines can help your diesel engine last longer, as well as have the oil itself last longer, helping you avoid endless oil changes.

The first thing you need to decide is whether you want to use synthetic or traditional oil. Traditional oil is made from natural mineral oil and often has some impurities. Synthetic oil is a manufactured product that replicates natural oil, yet has no impurities, is more consistent, and often has additives to improve performance and longevity. Synthetic oil is more expensive than natural oil, which is it’s only downside. If you want the best motor oil for your diesel engine, synthetic is always the best choice for the health and safety of your engine. 

You will also always want to ensure you use a motor oil that is made for diesel engines. Motor oil for diesels have different additives that are meant to improve the longevity and performance of diesel engines, and oil for diesel engines also has a higher viscosity. 

Best Diesel-Specific Motor Oils

Mobil

Mobil 1 5W-40 Turbo Diesel Truck Motor Oil or Mobil Super 96819 15W-40 Delvac 1300 Motor Oil

Mobil’s brand of diesel-specific synthetic motor oils are some of the best available, plus they’re easy to find. Mobil motor oil deals really well in low temperatures, making it an ideal choice for Albertans. Mobil motor oil protects, lubricates, and boosts engine performance, and it also serves to prevent leaks. Mobil oil is a great way to boost performance while increasing longevity. You also don’t need to worry about changing your oil as often, as the fully synthetic formula blocks buildup that could harm your engine. Mobil diesel-specific motor oil is a fantastic choice for all diesel engines, the only downside is that you can only buy Mobil in gallons, making it a little more difficult to measure out as you’re changing your oil.

Royal Purple

Royal Purple 04154 API-Licensed SAE 15W-40 High Performance Synthetic Motor Oil

Royal Purple combines proprietary additives with premium base oils, creating a highly effective and protective oil. Royal Purple gives users enhanced performance capabilities while also working to optimize fuel efficiency, making it a great choice for daily drivers. Royal Purple motor oil is also very easy on a diesel engine’s system, making it a great choice for rebuilt engines, brand new engines, or engines with high mileage. This oil contains additives that prevent metal to metal friction as well as helping clean and flush out any sludgy buildup. The only disadvantage of Royal Purple is that the gallon-sized bottles may run a little low, and there’s no markings on the container, so you have to be careful as you’re filling up with oil.

Shell

Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil

Shell’s diesel motor oil is a great choice for both new and older diesel engines as it exceeds API CJ-4 requirements. Shell’s motor oil provides fantastic performance and has enhanced viscosity control. Because of this, Shell’s diesel oil is great no matter what the external temperature is, since the viscosity doesn’t change much — making it a fantastic choice for us living in the North. The oil also has some improvised wear performance, so it provides a lot of extra protection from engine wear and tear. The oil is build to protect you from any sludge or buildup that may occur, as well as providing some enhanced performance capabilities when you need to push your engine a little harder. Only known disadvantages are that some purchasers have stated their bottles have leaked or that the oil stinks when it burns.

Always do your research when deciding on a new engine oil that is optimal for your diesel. If you have any questions, be sure to talk to one of our expert technicians, they’d be happy to help!

DFC Diesel is Edmonton’s premium diesel engine rebuilder. We have the highest standards of quality control and offer the best warranty available, all in-house. We have an unrelenting pursuit of offering the highest quality products, and have grown to be Canada’s largest diesel remanufacturing facility. If you want a great product with a great warrant, contact us today!

 

Rebuilt, Remanufactured and Refurbished Engines: What’s The Difference?

What is a Rebuilt Engine?

A rebuilt engine is an engine that is taken out of a vehicle, taken apart, and put back together. The engine is carefully disassembled where each part is meticulously cleaned, necessary parts of the engine are replaced, and the engine is reassembled with everything in better order than previously. Every part of the engine is inspected, and any part that does not meet the required standards is replaced. All parts of the engine that do meet the specifications are reused to reduce the environmental and economic impact of the work being done to your engine. 

Pros

  • Extends the life of your engine, and in turn, vehicle, for a fraction of the cost of replacing your car
  • All critical components have been replaced, and the replaced parts meet or exceed the standards of the previous engine parts

Cons

  • Being a mix of old and new parts, some older parts could shorten the life expectancy of the vehicle
  • The parts are inspected but not held to the same blueprint standards of remanufacturing
  • Some of the used parts could have imperceivable wear (heat stress or microcracks) and cause the engine to fail

What is a Remanufactured Engine?

A remanufactured engine is a more extensive machining job than rebuilding, because the engine is pulled out of the vehicle and returned to factory conditions and blueprint specifics.

Everything that has any potential wear is replaced to bring the engine back to its original standards. Anything that isn’t replaced is remanufactured to the standards of a new part. The mechanical tolerances are restored by re-machining or installing the necessary inserts to restore the unit to its original mechanical tolerances.

Remanufactured engines meet the standards for OEM tolerances, durability, and quality. New pistons, connecting rods, rings, bearings, camshafts, lifters, and oil pump are installed. Essentially, the only part from the original engine that is used is the block — if the block is in rebuildable condition.

Pros

  • Replaces the old parts of the engine extensively, from the seals, to the gaskets, to the pistons so the engine is fully replaced 
  • Extends the life of an engine, longer than a rebuild
  • Often has a warranty that is much longer than a rebuilt engine
  • More environmentally friendly that replacing your vehicle, reducing the non-renewable resources needed to manufacture new vehicles

Cons

  • Because the process is very exhaustive, remanufacturing can be more expensive
  • Can take a longer time to remanufacture the engine completely when compared to other options

What is a Refurbished Engine?

A refurbished engine figures out which part of the engine is a problem, and only replaces the failed parts.

Refurbishing the engine doesn’t look at general wear and tear, but it fixes what has clearly caused the engine to fail. The engine is not taken apart completely, nor is it cleaned and inspected entirely. The engine is only taken apart to replace what is necessary to get the engine running again, rather than increase overall longevity and efficiency.

Refurbishing is the easiest and quickest way to get your vehicle running again, but it also only addresses immediate problems, potentially leading to issues in the future.

Pros

  • Because the engine does not need to be completely taken apart and cleaned, it is the most economical choice
  • The process is faster than rebuilding or remanufacturing
  • Does not risk part failure through the rebuilding process, as nothing is prematurely taken apart

Cons

  • The lifespan of your engine is not extended beyond that of fixing a single issue, as no other aspects of the internal engine are inspected.
  • The debris and grime that accumulates over time is not cleared away
  • The usual wear and tear that comes from regular driving isn’t updated or replaced
  • Does not (usually) come with a warranty
  • Refurbishing is more of a quick-fix than a long term solution like rebuilding or remanufacturing

There are many items to consider when deciding how you should deal with issues and usual wear and tear associated with your engine.

The time it takes your engine to get back up and running is a consideration if you don’t have any other mode of transportation, cost is always something you need to be aware of, and you want to talk to your mechanic to see what the best option is to keep your vehicle working as well as possible.

Some engines can handle more work than others, and certain brands are more susceptible to rebuilding or remanufacturing. As such, always talk to a professional when it comes to your vehicle’s engine.

DFC Diesel has proudly earned the title of Canada’s largest diesel remanufacturing facility, with standards of excellence unmet by others. Learn about the DFC Diesel difference today.

Considering a remanufactured engine? We’d love to talk.

DFC Diesel: Block etching | Engine Rebuilders

DFC engraves every engine we remanufacture. Watch the block etching process here:

For more information call us at 1-877-836-8341 now.