If you’re working on engines like the Detroit Diesel Series 60, Caterpillar C15, or Cummins ISX, you’ve probably heard the term EUI.
But understanding what an Electronic Unit Injector (EUI) actually does – and how it fails – is key to diagnosing a lot of performance issues.
Because when an EUI starts to go, it doesn’t just affect fuel delivery.
It affects timing, pressure, combustion, and overall engine balance.
Continue reading What Are Electronic Unit Injectors (EUIs)?When a diesel turbocharger fails, the first question is always:
Should you replace the cartridge – or the entire turbo?
Most answers online are surface-level. But if you want to avoid repeat failures, you need to understand what actually fails inside the turbocharger.
Because the wrong choice doesn’t just cost money – it can lead to another failure within hours of startup.
Continue reading Turbocharger Cartridge vs Full Replacement: What Actually Fails Inside a Diesel TurboIn 1993, Caterpillar began production on the 3406E, the last model engine in the 3406 series. While its predecessors –the A, B, and C– were fully or partially mechanical, the Caterpillar 3406E was the first successful fully electronic motor. The 3406E is usually found in Peterbilt and Freightliner vehicles.
Continue reading About The Caterpillar 3406E
Steam tractors became the go-to tool for agricultural development in the late 1800s/early 1900s. Although their use was widespread, this machinery wasn’t perfect; they didn’t work everywhere. In California, these immensely heavy tractors kept sinking into the soft earth.
Continue reading About the Caterpillar C15 Engine
With so many different kinds of aftermarket diesel engine parts on the market today, there’s a ton of conflicting information about their durability, performance, and manufacturing. Some people will tell you that using aftermarket parts in your engine is dangerous and would void your engine’s warranty, while others say some aftermarket parts are even better than the OEM. So who is correct?
Continue reading 5 Myths About Using Aftermarket Diesel Parts Debunked!
If you own a diesel engine, you may be wondering about the cost and process of replacing your fuel injectors. Fuel injectors are an essential component of a diesel engine, as they are responsible for delivering fuel to the combustion chamber. Over time, fuel injectors can become clogged or damaged, which can lead to a decrease in performance and fuel efficiency. In this blog post, we will discuss the process and cost of replacing diesel fuel injectors in 2023.
Continue reading What is the cost of replacing a diesel fuel injector in 2023?It’s probably hard to believe that Variable Geometry Turbos have any advantages. They have a bad reputation as a big source of problems in the diesel world.
Continue reading What are the advantages of VGTs?
In the agriculture industry, we know how valuable your time is. A few hours can have a huge impact on your profits when you’re dealing with weather and input cost.
Continue reading Remanufactured Fuel Pumps from HHP
At Highway and Heavy Parts, it’s our mission to take the risk out of buying diesel engine parts for our customers. So we work hard to stock parts for a large range of applications.
Continue reading What Parts We Offer; Caterpillar, Detroit Diesel and More
Highway & Heavy Parts carries a large selection of rebuild kits — and we’re pretty proud of the quality of kits we offer.
Continue reading What Rebuild Options Do I Have For My Cummins ISX?
Your fuel injectors are crucial to the overall performance of your diesel engine, and they play a large role in your fuel economy as well.
Continue reading Why Should I Use PurePower Injectors?
We know you want power behind your diesel engine. Your turbocharger is what helps create this power.
Continue reading What Are The Benefits of a Jrone Turbocharger?
