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At that moment, it was outdated and depleted the limits of possibilities for improvements in terms of fuel consumption and emissions. The market wanted a new engine for medium-duty trucks and buses, and the ISB 6. The 6. That increased its displacement to 6. The engine block is still made from cast iron. On top of the block, there is a valve cast iron cylinder head similar to the ISB 5. The difference between ISB 5. There are many changes compared to the last generation B5.
The new version was designed guided by stricter requirements on Federal emissions regulations. In , the first year in production, the engine was the first Cummins diesel equipped with a diesel particulate filter DPF. The DPF filter cleans the exhaust gases from soot by more than 90 percent. A diesel particulate filter has a ceramic matrix, which filters soot particles and regenerates them under high temperature, heated by exhaust gases.
Also, the engine had the exhaust gas recirculation system EGR with cooling. So 2 liters of DEF is consumed for every liters of diesel fuel. This turbocharger can block exhaust flow to increase temperatures inside the DPF, which reduces emission levels. The VGT also has an integrated exhaust brake function. It does the engine braking by restricting exhaust flow. All ISB6. The improvement process has never been stopped during the last ten years of production, so the model year engines already produce up to lb-ft of torque.
The ISB6. In stock form, the failure rates are meager. The common problems are related to emissions equipment and Common Rail Fuel injection. The DPF longevity is about , miles.
Some owners prefer to install DPF aftermarket delete kits, which undoubtedly cheaper but less friendly to nature. Also, keep in mind, long idle times are not tolerant for the VGT. Owners report that 6. That will let you know what range you should be looking at. This works better if you change your own oil. If not it will give you your "full" line. If you go to Cummins quickserve you can register your engine serial number and find the correct oil capacity for your engine.
I bet it is 16q with filter. When you change the oil you add 12 qt the start the engine to fill the filter. Next add the remaining oil and repeat. Now you know the levels are correct. Bill is spot on. Many of the ISB dipsticks are out of calibration. I found this out when I had my first oil change at Gaffney. I don't remember exactly but I think I was 2 qts short according to the dipstick.
As said doing it at the time of an oil change is best. However it would also be good to check with your engine manufacture to be sure how many quarts your engine. Be sure and give them your engine serial number and they will know exactly how many quarts your engine holds.
You will also need the PN for the oil pan. Some coach manufacturer change the oil pan to better fit their chassis. Jim, I don't think the coach manufacturer change the oil pan, they may spec a different pan from Cummins.
Quickserve is the same thing your Cummins parts guy looks at. That's why they ask for your engine serial number at the parts counter.
Also when looking things up don't be confused lots of information out there is for the "Dodge Cummins".
Other websites and owners have stated 12 and 11 quarts respectively. All three totals may be correct. The reason they may be correct is that one website said that the amount of oil depends on the installation. For example, the 6. The 11 is minus the quart in the filter and the There are slight differences when it comes to different models of the same engine. This engine is not different from the 6. It has at least two oil capacities depending on which size of the oil tank was installed.
There is one model that comes with a quart oil capacity and another that comes with an quart size. Again, you should double-check those figures to make sure you know how big your oil tank is. Start with your manual, if you still have it, and then check with Freightliner or Cummins to get their answer. Make sure to have the VIN so they can look it up in a hurry for you. Always keep in mind that the filter may take at least a quart of oil. The big trucks are said to take up to 11 gallons of oil.
You read that right but again, you should check with your manual or a good mechanic to make sure. Generally, you are free to choose the brand that works best for you or which you prefer. As long as you get the SAE information correct, any brand will work. Some brands are just better than others. Another website said that for non-freezing temperatures you can use 15W 40 and for freezing temperatures down to etc.
We doubled checked and the latter is the figure for the 6. The former seems to be for the M2. As we said at the beginning of this section, the brand is not as important as the SAE. At 3 - 4 gallons, you need to pick the best brand you can afford but is still good for your engine. The manual can say every 15, miles but not everyone is trusting that figure.
Owners are free to make their oil changes when they feel it is the right time. For example, some owners change their oil and filter every to miles. Some do it at miles, then others wait till the 15,mile mark but change the filter at miles. According to Cummins, when the vehicle is under extreme duty, the quart oil tank needs to be changed every miles and the quart option every 12, miles. Just do not wait too long. You will need to have the right tools and supplies.
Amsoil also claims that your engine runs more quietly and smoothly with this special diesel oil. SynShield is a low ash oil whose composition greatly decreases the number of deposits left in the 5. Additionally, this oil has a proven track record of delivering reliable fuel economy. Schaeffer is a household name. Its outstanding friction modifiers, Micron Moly and Penetro help reduce friction dramatically.
As a result, your engine will experience less wear and emissions. Additionally, this diesel oil has a proven track record of delivering reliable fuel economy savings. It prevents oil aeration and foaming, as well as enhances oil consumption control. Most fundamental issues, such as oxidation damage, cold-cranking startability, and low weather pumpability, are also addressed.
Another benefit of this oil is that it helps in keeping the engine clean. Users benefit from improved contamination control attributable to its superior soot-busting and deposit-dispersing capabilities. The product has superb oxidation and wear resistance in heavy-duty applications. Besides, it is approved for use in 5.
This diesel oil is strong and dependable. Using the product can help extend the life of your engine while also improving its performance. Furthermore, this premium diesel oil outperforms its competition in terms of protection and lubrication for the 5. This composition gives it superior deposit protection compared to industry requirements. In addition, the oil was developed to protect engines in both on and off-highway usage.
This diesel oil is the preferred oil for all Cummins diesel engines. Moreover, it was developed in collaboration with Cummins to provide better engine protection. We hope this article has helped you understand more about the 5. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. Table of Contents 1 5. Check Price at Amazon. Recommended Posts. About The Author. Ryan McCain Ryan has got more than 15 years in the auto industry.
Car was his first love and passion. He also loves making connections and friends in the automotive industry. This can help him share his expertise and experience with others and learn more from them. He spends his weekdays working for his garage and writing stories for oilsadvisor.
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