In 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 3406ECategory: Caterpillar Engine Parts & Heavy-Duty Components
About the Caterpillar C15 Engine
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 EngineDinex Emission: The Solution to Diesel Pollution
Dinex Emission is a company that has been dedicated to helping diesel operators meet the high standards of the EPA for a very long time. Though the EPA’s goal is to reduce the emissions of dangerous gasses into the air, their restrictions can often make transporting goods, completing construction projects, and harvesting large crops more difficult. As an expert in the field of diesel emissions control, Dinex has long been the solution to this obstacle.
Continue reading Dinex Emission: The Solution to Diesel PollutionRevving Up Performance: A Look at Garrett Diesel Turbochargers
Garrett, a name synonymous with turbocharging technology, has long been a leader in the diesel performance world. Their turbochargers are renowned for reliability, innovative design, and ability to elevate engine performance.
Continue reading Revving Up Performance: A Look at Garrett Diesel TurbochargersMost Common Diesel Engine Fault Codes (And What Actually Causes Them)
When a diesel engine throws a fault code, it’s easy to assume the problem is straightforward.
But in real-world diagnostics, that’s rarely the case.
👉 A fault code points you in a direction – it doesn’t tell you the root cause.
For repair shops, fleet managers, and owner-operators, understanding what these codes actually mean in practice is what prevents:
- Misdiagnosis
- Unnecessary part replacement
- Repeat failures
Below are some of the most common diesel engine fault codes – and what’s really behind them.
Continue reading Most Common Diesel Engine Fault Codes (And What Actually Causes Them)Diesel Engine Serial Numbers for Agriculture Engines John Deere, Caterpillar & Cummins
Farming equipment and machines breakdown at times, just like diesels on the highway. They’re exposed to harsh environments and long hours of operation.
Continue reading Diesel Engine Serial Numbers for Agriculture Engines John Deere, Caterpillar & CumminsWhat You Should Know About the CAT 3406E/C15 Diesel Engine Turbocharger
If you checked out our earlier post answering turbocharger customer questions, you may have found answers to the reasons why your CAT 3406E/C15 turbocharger is lacking performance. Maybe it’s time to replace that worn out turbo with something new.
Continue reading What You Should Know About the CAT 3406E/C15 Diesel Engine TurbochargerAbout the Cat C15/C15 ACERT/3406E Stage 2 Performance Diesel Engine Cylinder Head
Are you putting an engine together? Maybe you’re looking for an added sense of security when it comes to your cylinder head. Or maybe you’ve got a bigger turbo, larger injectors, or upgraded horsepower.
Continue reading About the Cat C15/C15 ACERT/3406E Stage 2 Performance Diesel Engine Cylinder HeadHighway & Heavy Parts Answers Your Diesel Engine Questions: Rebuild Kits
Everyday we receive questions from you, the customer, through email, social media, and from calls into our sales department. It’s difficult to answer everyone’s questions that come in, so this month, we’re answering a number of those questions about fuel injectors, turbochargers, and fuel systems.
Continue reading Highway & Heavy Parts Answers Your Diesel Engine Questions: Rebuild KitsWhat You Should Know About the CAT C15 ACERT Diesel Rebuild Kit
Are you running a CAT C15 ACERT diesel engine? Odds are, at some point you’ll need to rebuild that engine, and you’re probably wondering how to choose the right kit for you.
Continue reading What You Should Know About the CAT C15 ACERT Diesel Rebuild KitHighway & Heavy Parts Answers Your Diesel Engine Questions
Here at Highway & Heavy Parts, we take pride in bringing you the best information about your diesel engine. We want to give you the answers you need, no matter what issue you’re facing. That’s why this month we’re focusing on questions from you.
Continue reading Highway & Heavy Parts Answers Your Diesel Engine QuestionsWhy Did My Diesel Engine Valves Break?
Have you recently experienced a valve failure? Are you left wondering what caused that valve to break?
Continue reading Why Did My Diesel Engine Valves Break?Premium Quality Parts for Your Caterpillar Equipment
Highway and Heavy Parts is your trusted source for over 250,000 replacement diesel engine parts, including a comprehensive selection of Caterpillar engine components. Whether you’re maintaining fleet vehicles or heavy equipment, we carry the parts you need to keep your Caterpillar engines running at peak performance. This, combined with our ASE Certified service team, makes us industry experts and qualified to write about everything Caterpillar-related.
On this page, you will find blogs that discuss common Caterpillar issues, diesel engine part highlights, and how-tos.
Complete Caterpillar Parts Inventory
Engine Components & Service Parts
Our extensive Caterpillar inventory includes essential engine components such as engine blocks, pistons, fuel injectors, and turbochargers. From routine maintenance items to major engine rebuild components, we stock everything required for C15, C15 ACERT, 3406E, and other popular Caterpillar engine models.
Quality You Can Trust
At Highway and Heavy Parts, you’ll get parts that have been manufactured in an ISO 9001:2015 certified facility, ensuring quality and consistency for your Caterpillar equipment. Our commitment to quality ensures you receive parts engineered for durability and long-lasting performance.
Why Choose Highway and Heavy Parts for Caterpillar Components?
Fast, Reliable Service
Order by 2PM EST, and in-stock items will ship the same day (M–F), ensuring minimal downtime for your equipment.
We understand the importance of keeping your fleet operational and ready for work.
Expert Knowledge & Support
Highway and Heavy Parts, LLC is owned and operated by diesel engine experts.
We know the importance of keeping a delivery fleet on the road. Our team combines decades of experience with comprehensive product knowledge to help you find the right parts for your specific application.
Comprehensive Parts Selection
You can quickly and easily find the precise part you need with our large range, saving you time and effort. From gaskets and seals to major engine components, our inventory covers the full spectrum of Caterpillar parts needs.
Caterpillar’s Legacy in Heavy-Duty Applications
While Caterpillar has a long and storied history of producing top-notch diesel engines and was known for construction and mining equipment, they also produced engines for on-highway applications. Though Caterpillar has discontinued their truck engine production, existing equipment still requires quality replacement parts and ongoing maintenance support.
Browse our complete selection of Caterpillar parts today and experience the Highway and Heavy Parts difference – where quality meets reliability for all your heavy-duty diesel engine needs.
