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S430SX vs. S410SX — What You Need to Know If you're searching for an S430SX turbocharger, it's important to understand that this model was discontinued by the manufacturer years ago. All applicable part numbers have since been transitioned into the S410SX product line. A common misconception in the diesel community is that the S430SX is larger or somehow superior to the S410SX. That is simply not the case. The primary difference between the two platforms was internal bearing spacing. The o …

Best Detroit Series 60 N2 Injectors: Which One Should You Run? If you’ve got a 12.7L Detroit Series 60 with N2 injectors, you’ve already got one of the most proven fueling platforms Detroit ever put on the road. The problem is: most injector advice online is either outdated, generic, or written by someone who’s never had to live with the results. This guide breaks down the four most common N2 injector choices—what they’re best for, what power range they fit, and who …

Inside the Cummins X15 EPA21 HE400 Turbocharger: What Changed and Why It Matters While we at Momentum Worx still think of the Cummins X15 engine series as something "new"; this motor has long been a powerhouse in the heavy-duty trucking world at this point.  Each new emissions iteration brings not just regulatory compliance, but sometimes subtle—but significant—engineering changes. The EPA21 version of the X15 is no different, particularly when it comes to its turbocharger: the …

The CAT 3406E engine is one of the most iconic diesel engines ever produced by Caterpillar Inc., known for its power, reliability, and versatility. A favorite among truckers and heavy equipment operators, the 3406E helped define an era of commercial diesel engine performance. This article explores the history of the CAT 3406E, its development, specifications, and lasting legacy in the diesel industry. Origins and Development The CAT 3406 series dates back to the 1970s, when Caterpillar introduce …

The BorgWarner S400 and S410SX turbos are SUPER popular for CAT, Cummins, and Detroit trucks.  While these turbos are a little different, they share the SAME 96MM/88MMturbine wheel, which means all the exhaust housings are interchangeable. The available housings are: 1.15 A/R, 1.32 A/R, 1.45 A/R, 1.58 A/R, and 1.65 A/R.  You will notice that the 1.15 A/R and 1.65 A/R housings are missing from the photos, that's because we virtually NEVER use these housings, more on that later …