As you probably know, one of the main differences between the Caterpillar C15 diesel engine and the C15 ACERT is the fact that the ACERT is designed with two turbochargers. That makes this component even more vital to the overall function and health of your diesel engine.
Continue reading When Should You Replace Your CAT C15 ACERT Diesel Engine Turbo?Category: Caterpillar 3406E Engine Parts: Reliable Solutions for a Diesel Icon
When Do You Need New Fuel Injectors for Your Cat C15 ACERT Diesel Engine?
Has the performance of your CAT C15 ACERT taken a dive? Are you going through a lot more fuel than you used to?
Continue reading When Do You Need New Fuel Injectors for Your Cat C15 ACERT Diesel Engine?The Primary Differences Between Caterpillar 3406E, C15, and C15 Acert Diesel Engines
Picking the right diesel engine model is no easy task. If you’re considering purchasing a Caterpillar 3406E, C15, or C15 ACERT, we have the information to help you make a decision.
Continue reading The Primary Differences Between Caterpillar 3406E, C15, and C15 Acert Diesel EnginesWhat is the Purpose of a Cylinder Head in a Diesel Engine?
Today were going to go over a little bit about cylinder heads. Before diving head first into the cylinder head market, its important to have an understanding of what you’re working with. Here’s what we think you should know!
Continue reading What is the Purpose of a Cylinder Head in a Diesel Engine?HHP Spotlight: Diesel Engine Rocker Arm vs. Pin and Roller Kits
When it comes to overhead cam engines your Detroit Diesel Series 60, your Cummins ISX, your Caterpillar 3406E, and C15 to name a few. We get a lot of questions on rocker levers. People call when something goes wrong, asking: “What are my options?” or “What can you offer me?”
Continue reading HHP Spotlight: Diesel Engine Rocker Arm vs. Pin and Roller KitsHHP Buying Guide: Camshafts
Do you want good engine power? Great fuel economy?
Caterpillar Diesel Engine Serial Numbers
If you’re shopping for parts for your Caterpillar diesel engine, then you’re going to want to make sure that you’re getting the right ones the first time. To help us get you exactly what you need, you need to have your engine serial number handy.
Continue reading Caterpillar Diesel Engine Serial NumbersCaterpillar 3406E Engine Spotlight
Are you curious about your Caterpillar 3406E diesel engine? Well, we’re taking you through this engine in detail, so wonder no more! Read on to learn the history of the engine, as well as some common failures you might experience.
Continue reading Caterpillar 3406E Engine SpotlightC15 Engine Spotlight
In the late 1800s and early 1900s, steam tractors were the primary method of agricultural development. But out in California, they had a problem: the incredibly heavy tractors kept sinking into the soft earth.
Continue reading C15 Engine SpotlightDiesel Engine Serial Numbers
Have you ever thought much about your ESN or why you might need to know it? Diesel engine serial numbers are vital to ensuring you’re getting the right fit for your engine.
Continue reading Diesel Engine Serial NumbersCaterpillar C15 3406E Spacer Plate
This spacer plate, resembling a large gasket, fits between the engine block and the head on Caterpillar’s diesel engines. This product is an update from the aluminum spacer plate that was originally provided in these engines.
Continue reading Caterpillar C15 3406E Spacer PlateBrand New Caterpillar Cylinder Heads
Highway Heavy Parts is bringing you a new option when replacing Caterpillar Cylinder Heads. Now available for 3406E, C15 and C15 Acert engines is the brand new replacement cylinder head.
Continue reading Brand New Caterpillar Cylinder HeadsHighway and Heavy Parts offers a complete line of Caterpillar 3406E engine parts, from turbochargers and camshafts to complete engine rebuild kits and fuel injectors. Built for longevity and easy serviceability, the 3406E engine is a favorite among both owner-operators and fleet managers. Our parts are engineered for high performance and maximum uptime in demanding trucking and equipment applications.
The Caterpillar 3406E was produced from the mid-1990s to the early 2000s, featuring a 14.6L displacement and horsepower ranging from 375 to 550 HP. Known for its mechanical simplicity and legendary durability, it powered everything from on-highway trucks to agricultural and construction machinery.
What 3406E Parts Are Available?
Our inventory includes rebuilt cylinder heads, camshafts, valve train components, turbochargers, oil pumps, fuel injectors, cylinder head gaskets, and complete 3406E engine rebuild kits. Aftermarket options are available for budget and performance needs.
Which Trucks and Machines Use the 3406E?
This engine powered Peterbilt, Kenworth, International, and Freightliner trucks, as well as Caterpillar equipment like loaders, scrapers, and generators. It’s widely used in heavy-haul, mining, and long-haul operations.
Why Trust HHP for Your 3406E Build?
- Quality-tested components from reliable brands
- Fast shipping and technical support
- Complete kits built for long-term reliability
Keep your 3406E running strong with parts designed to extend engine life and restore original power.
FAQs for the Caterpillar 3406E
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Is the 3406E engine still supported with new parts?
Yes, many aftermarket suppliers—including HHP—stock new and remanufactured parts for the 3406E, including full engine rebuild kits. -
What makes the 3406E so reliable?
The 3406E is praised for its mechanical fuel system, fewer electronics, and durable internal components, making it a favorite among owner-operators. -
What are common failure points in the 3406E?
Over time, camshafts, turbochargers, and fuel injectors may wear out. Regular oil analysis and preventive maintenance help avoid costly failures. -
What is the horsepower range for the 3406E?
Factory ratings ranged from 375 to 550 HP, but many are tuned beyond that in performance builds. -
Are rebuild kits available for the 3406E?
Yes, HHP offers complete inframe and out-of-frame rebuild kits tailored to your engine’s serial number.
