How do you pick the right diesel engine model? This is a challenging task. You’ll need plenty of information if you’re deciding between the Caterpillar 3406E, C15 ACERT, or C15 engine. And we have as much information as you can get to make an informed decision.
Continue reading Important Differences Between Caterpillar 3406E, C15, and C15 Acert Diesel EnginesCategory: Blog – All HHP Blog Articles
Top 5 Common Yanmar Engine Problems (and How to Prevent Them)
Yanmar engines have earned a reputation for reliability in marine, agricultural, construction, and industrial applications. Many Yanmar engines provide thousands of hours of dependable service when maintained properly.
However, no diesel engine is immune to wear, contamination, heat, or neglected maintenance.
The good news is that many of the most common Yanmar engine failures are preventable. Understanding the warning signs early can help reduce downtime, avoid expensive repairs, and extend engine life.
Let’s look at five of the most common problems seen in Yanmar diesel engines.
Quick Takeaway: Most common Yanmar engine failures involve fuel delivery, cooling system performance, exhaust restrictions, injector wear, or compression loss. Many of these problems can be prevented through routine maintenance and early diagnosis.
Continue reading Top 5 Common Yanmar Engine Problems (and How to Prevent Them) Cylinder Head Bolt Stretch vs Torque: Why Your Head Gasket Keeps Failing
When a head gasket fails, most people look at the gasket.
But in many diesel engines, the real issue isn’t the gasket at all: it’s improper clamp load caused by incorrect bolt stretch.
If clamp load isn’t correct or consistent across the cylinder head, combustion pressure will find a way out.
This is where understanding bolt stretch vs. torque becomes critical.
Continue reading Cylinder Head Bolt Stretch vs Torque: Why Your Head Gasket Keeps FailingProblems with EGR Systems in Diesel Engines
EGR systems are a standard part of modern diesel engines – but they are also one of the most common sources of frustration.
These systems are designed to reduce emissions and meet EPA regulations. However, they also introduce additional components that operate under high heat, pressure, and contamination.
Over time, this combination can lead to performance issues, costly repairs, and system failures.
Continue reading Problems with EGR Systems in Diesel EnginesProduct Spotlight: Case and New Holland Diesel Fuel Injectors
Agricultural equipment is perhaps the most critical machinery in use today, directly providing for someone’s livelihood. Properly functioning diesel fuel injectors for your Case or New Holland farm equipment are just as important.
Continue reading Product Spotlight: Case and New Holland Diesel Fuel InjectorsDiesel Engine Fuel Pumps Explained
How much do you know about diesel engine fuel pumps? This part is one of the most vital components, allowing for combustion to occur.
Continue reading Diesel Engine Fuel Pumps ExplainedReplace the Injector Hold-Down Bolts on Your Diesel Injectors
Are you looking to replace the fuel injectors on your CAT 3406E, C15, or C15 ACERT diesel engine? If so, it’s probably fair to assume that you want the best quality, highest functioning injectors you can get. And, if you’re spending money on quality injectors, you want them to work correctly.
Continue reading Replace the Injector Hold-Down Bolts on Your Diesel InjectorsOriginal OEM Diesel Injector Compared to Genuine Bosch Injector
What do you do when you need new injectors for your DD13, DD15, or DD16 diesel engine? If you’re like a lot of people, you head to the dealership to get the OEM parts. But that’s not always convenient and can be expensive. In fact, you could end up paying way more at the dealership then some of your other supplier options.
Continue reading Original OEM Diesel Injector Compared to Genuine Bosch InjectorDiesel Fuel Grades Explained: #1 vs #2 vs #4 (What You Should Actually Be Running)
Not all diesel fuel is the same.
Most people think diesel is just diesel – but in reality, there are different fuel grades, and each one behaves differently inside your engine.
The three main types you’ll hear about are:
- #1 Diesel
- #2 Diesel
- #4 Diesel
Understanding the difference matters: because the wrong fuel choice can lead to poor performance, fuel system issues, or even downtime in extreme conditions.
Continue reading Diesel Fuel Grades Explained: #1 vs #2 vs #4 (What You Should Actually Be Running)Highway & Heavy Parts Answers Your Diesel Engine Questions: Turbochargers
Here at Highway & Heavy Parts, we sell a lot of turbochargers. We carry a number of the industry’s leading brands for all major OEMs, and have helped diagnose a lot of our customers’ turbo failures. We provide solutions to help get them back on the road.
Continue reading Highway & Heavy Parts Answers Your Diesel Engine Questions: TurbochargersWhy Most Heavy-Duty Diesel Trucks Use Inline-6 Diesel Engines
If you look at almost any modern long-haul truck in the United States, you’ll find one thing in common:
👉 An inline-6 diesel engine under the hood.
That’s not a coincidence.
It comes down to balance, torque delivery, efficiency, and long-term durability – all critical factors for moving heavy loads over long distances.
Continue reading Why Most Heavy-Duty Diesel Trucks Use Inline-6 Diesel EnginesWhy One Diesel Cylinder Runs Hotter Than the Others (And What It Means)
If one cylinder in your diesel engine is running hotter than the others, it’s not random.
It’s a sign of imbalance. In a diesel engine, imbalance means:
- Uneven combustion
- Uneven load distribution
- Increased stress in one area
The important part is understanding why that one cylinder is different.
Continue reading Why One Diesel Cylinder Runs Hotter Than the Others (And What It Means)
