Why is the Cummins ISX engine so popular?
Cummins ISX engines have been the subject of many articles, due in part to the popularity of these engines within the on-highway industry. Here are a few simple precautions that may help you avoid some major problems.
Where are the oil plugs on an ISX engine?
The purpose of these plugs is to temporarily block off the oil ports, thus keeping debris out of the engine while it’s being repaired. On the ISX engine, you will find almost straight ports from the lower bearings to the upper bushings in each corner of the cylinder block and head.
How big is the injector CaM compared to the valve cam?
The injector camshaft is massive in comparison to the valve camshaft, with a journal diameter of approximately 85.0 mm (3.346”) compared to the journal diameter of approximately 65.0 mm (2.559”) of the valve cam. The injector cam weighs almost 60 lbs., versus 35lbs. for the valve cam.
How big are the rod tabs on an ISX engine?
In the ISX “saw cut” connecting rods, the tabs on the bearing shells are only offset approx. 2.89mm (.114”). Although it is noticeable if the shells are installed incorrectly, the connecting rod can actually be installed this way. There is enough clearance that the rod can be bolted in place to the crankshaft.
Where can I find Cummins manuals and technical documents?
Cummins produces a wide variety of documents to help customers get the most from their engines, generators and components. Much of this library is available online. Check out the digital resources listed below or contact us for help with your specific needs.
What does the ISX stand for in diesel engine?
It upheld its name because it had an innovative fuel system called the “Interact System.” The “IS” in ISX stands for “Interact System.” Since its launch, the ISX has been the core of Cummins’ diesel engine fleet. Not only has it advanced with quicker processing, but it has also increased fuel efficiency since its debut.
What kind of valve cover does a Cummins ISX have?
The IFSM typically has a one section valve cover that is either plastic or chrome plated on older models of the Cummins ISX. The latest versions of the Cummins ISX15 Engine keeping getting more fuel efficient as the technology keeps advancing.
Where are the oil ports on an ISX engine?
On the ISX engine, you will find almost straight ports from the lower bearings to the upper bushings in each corner of the cylinder block and head. After the head is removed from the cylinder block, these ports become open pathways for debris to enter straight down into the lower oil passages of the engine.
Where does the oil come from in a Cummins Engine?
massive injector camshaft receives its oil from the cylinder head at the end journals (#1 & #7). Oil is then supplied to the remaining journals via the large oil port inside the camshaft. This internal oil port holds approximately 1.06 liters (36 oz.) fluid. That’s over a quart of oil in this camshaft alone! Considering the load
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Why does my Cummins ISX engine flatten out?
The ISX also has a history of camshaft issues. We discussed this briefly in Cummins ISX Engine Spotlight. In short, an ISX camshaft can flatten out. This is not because of an issue with the camshaft itself, but with the rocker arms. According to Cummins, there was a production of rocker arms that prevented proper oil flow, starving the components.
Are there any problems with the Cummins Engine?
Throughout its production history, Cummins has made various changes to the engine in order to keep up with the increasing restrictions, changing from a dual-cam to a single-cam and adding a cooled EGR system to reduce NOx emissions. Despite its popularity, it does have its problems, like any other engine.
How big should a connecting rod be for a Cummins Engine?
Lastly, if the connecting rod bolts are going to be reused, then they must meet the following criteria: • The minimum diameter for the bolt above the threads is 11.10mm (0.437”). • The maximum length of the bolt from the bottom face of the bolt head to the end of the bolt is 101.00mm (3.976”).