Have you been noticing issues with your diesel engine recently? There are obviously a lot of reasons why this might be happening, including broken or cracked cylinder liner flanges. If you’re interested in more information about what causes cylinder liners to fail, check out our blog dedicated to cylinder liner failures.
Continue reading Broken or Cracked Cylinder Liner FlangeCategory: Caterpillar 3406E Engine Parts: Reliable Solutions for a Diesel Icon
3406E / C15 Fuel in Coolant, Engine Miss Explained
If you’re running a C15 or 3406E diesel engine, you may have experienced your engine missing. So, why does that happen?
Continue reading 3406E / C15 Fuel in Coolant, Engine Miss ExplainedHighway & Heavy Parts Adds New Parts To Inventory For Increased Coverage
Highway and Heavy Parts (HHP) is pleased to announce the addition of a wide range of new products to their existing line of diesel engine components. These new products include an array of cost-saving components for Caterpillar’s 3406E, C11, C15 and C13 engine applications as well as oversize repair options for Cummins Midrange Engines and fuel system parts for Detroit Diesel Series 60 engines. The addition of these new products to HHP’s already extensive catalogue of parts has helped them expand their coverage of diesel engine applications and better serve the needs of the heavy highway industry.
Continue reading Highway & Heavy Parts Adds New Parts To Inventory For Increased CoverageHHP is pleased to announce the addition of a wide range of new diesel engine products to their existing line of parts
Highway and Heavy Parts is pleased to announce the addition of a wide range of new diesel engine products to their existing line of parts.
Continue reading HHP is pleased to announce the addition of a wide range of new diesel engine products to their existing line of partsCaterpillar C15 Overhaul Engine Rebuild Kit | High Fuel Or Oil Usage? – Call HHP 844.447.1453
Caterpillar C15 Overhaul Rebuild Kits For Sale From HHP! Call To Get Yours Today!
Caterpillar C15 Vibration Damper | Feeling Vibration Or Running Rough? – Call Us At 844.447.1453
Caterpillar C15 Vibration Damper For Sale. Take A Look!
Caterpillar 3406E Bare Crankshaft (6I1453)
CATERPILLAR 3406E CAMSHAFT (1879381)
Is your 3406E losing power? Is it popping or backfiring? Or does it have increased emissions? If so, you may be in need of a camshaft replacement in your Caterpillar 3406E.
Continue reading CATERPILLAR 3406E CAMSHAFT (1879381)Cash For Cores | Caterpillar 3406E, C15 and C15 Acert wanted! | $175 Per Core Return – Call 844.447.1453 For Further Information
We Buy Caterpillar Injector Cores! 3406E, C15, & C15 Acert Injector Cores.
Caterpillar C15 Camshaft | Engine Stalling Or Hearing A Ticking? – We Can Help! 844.447.1453
Why You Should Get Your Next Caterpillar C15 Camshaft From HHP!
CATERPILLAR 3406E TECHNICAL SPECIFICATIONS, SERIAL NUMBERS, & PREFIXES
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 TECHNICAL SPECIFICATIONS, SERIAL NUMBERS, & PREFIXESSpacer Plate for Caterpillar C15 (6I4421)
Are you in the middle of an engine overhaul? Installing a new cylinder head for your C15? Have you recently blown a head gasket?
Continue reading Spacer Plate for Caterpillar C15 (6I4421)Highway 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.
