If your Caterpillar C15 ACERT is running rough, smoking more than usual, or losing power under load, there’s a good chance the issue is in the fuel system.
More specifically – the fuel injectors.
And when an injector like the 10R1273 starts to fail, it doesn’t just affect performance. It can impact combustion, fuel economy, and long-term engine health.
Continue reading Caterpillar C15 ACERT Fuel Injector (10R1273): Symptoms, Failure Causes, and Replacement Guide
The Caterpillar 3406E is known for durability – but when it starts to go, it usually doesn’t fail all at once.
It starts small.
A little blow-by.
A little oil consumption.
Maybe a slight drop in power under load.
Then it builds.
And before long, you’re not looking at a repair anymore – you’re looking at a full engine rebuild.
Continue reading Caterpillar 3406E Engine Rebuild Kit: What Actually Fails and What You Need to Fix It RightCaterpillar built some of the most well-known diesel engines in the trucking industry.
From the early 3406 series to the C15, these engines earned a reputation for durability, rebuild-ability, and long service life.
But despite that reputation, Caterpillar exited the on-highway truck engine market in 2010.
So what actually happened?
Continue reading Why Caterpillar Stopped Making On-Highway Diesel Engines
When a turbocharger fails, the damage is often concentrated in one place:
The center housing rotating assembly (CHRA).
This is the core of the turbocharger – and in many cases, replacing it is the most efficient way to restore performance.
Continue reading Turbocharger Cartridges (CHRA): How Jrone Turbo Cores Restore Performance Without Replacing the Full Turbo
If your Cummins ISX or QSX is overheating, losing coolant, or showing signs of combustion issues, the problem may be deeper than a gasket or sensor.
It could be your cylinder head.
And when a cylinder head starts to fail, it doesn’t take long before it affects the entire engine.
Continue reading Cummins ISX, QSX Cylinder Head: Symptoms, Failure Causes, and Replacement Guide
Detroit Diesel Series 60 engines are known for durability – but when they reach high mileage, failure doesn’t happen all at once.
It happens in stages.
Most rebuild decisions start with symptoms like oil consumption, blow-by, or low oil pressure—but the real question is:
What’s actually worn out inside the engine – and what needs to be replaced to fix it correctly?
This guide breaks down the technical failure points and measurements that determine whether your Series 60 rebuild lasts – or comes back.
Continue reading Detroit Diesel Series 60 Inframe Rebuild Kit: Liner Height, Bearing Wear, and What Actually Fails
If you’re hearing noise when engaging the clutch, don’t ignore it.
What might seem like a minor issue – grinding, chatter, or a harsh engagement – can point to mechanical or hydraulic problems that will only get worse over time.
On heavy-duty diesel applications, clutch engagement issues typically fall into three categories:
Understanding the difference is critical – because each one leads to very different failure paths.
Continue reading Diesel Engine Noise During Clutch Engagement: Diagnosing Drag, Slip, and Hydraulic Failure
Turbochargers play a critical role in modern Caterpillar diesel engines.
They help increase power, improve combustion efficiency, maintain emissions performance, and support fuel economy by forcing additional air into the engine. Without proper turbocharger operation, even a healthy diesel engine can experience power loss, excessive smoke, poor fuel economy, and high exhaust temperatures.
Yet one of the most common mistakes made during a turbocharger replacement has nothing to do with the turbo itself.
Many failed turbochargers are replaced without identifying the root cause of the original failure.
As a result, the replacement turbocharger often suffers the same fate.
Understanding why Caterpillar turbochargers fail—and how to prevent repeat failures—can help reduce downtime, avoid unnecessary repairs, and improve long-term engine reliability.
Continue reading The Top Ways to Kill a Caterpillar Turbocharger
When it comes to diesel engine parts, one of the most common questions is: why are OEM parts so expensive?
Many assume higher cost means higher quality – but that’s not always the case. In reality, the difference between OEM and aftermarket parts often comes down to manufacturing, distribution, and how the parts reach you.
If you’re comparing options right now, you can shop diesel engine parts to find high-quality components built for your specific engine and application.
Understanding that difference can help you make a more informed – and more cost-effective – decision when it’s time to repair your engine.
Continue reading Aftermarket vs OEM Diesel Parts: What’s the Real Difference?
The Caterpillar 3406E is known for durability.
But like any diesel engine, it eventually needs a rebuild.
An inframe rebuild is one of the most common ways to restore performance without removing the engine from the chassis.
The success of that rebuild depends on more than just replacing parts.
It depends on how those parts work together under load.
Continue reading Caterpillar 3406E Inframe Rebuild Kit: What Actually Matters During a Rebuild
When diagnosing valvetrain issues in a diesel engine, rocker arms are often overlooked.
But on engines like Cummins ISX, Detroit Diesel Series 60, and Caterpillar platforms, rocker arm assemblies – and more specifically the pin and roller components – are critical wear points.
Understanding the difference between replacing a full rocker arm versus servicing pin and roller kits can prevent repeat failures and unnecessary downtime.
Continue reading Diesel Engine Rocker Arms vs Pin and Roller Kits: What Actually Wears Out and Why It Matters
