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Caterpillar 3406B 14.6L Reman Diesel Engine

Caterpillar 3406B 14.6L Reman Engine

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Caterpillar 3406B engine

The 2012 Ford Powerstroke 6.7L Diesel Engine is a robust choice for heavy-duty applications, found in the 2012 Ford F250, F350, and F550 models. This turbocharged V8 engine delivers significant torque and horsepower, making it ideal for towing and hauling. Its design ensures both performance and efficiency, with a reputation for reliability and durability. Whether for work or recreation, the 6.7L Powerstroke handles demanding tasks with ease. For more details on its performance and specs, visit our 2012 F250 diesel engine page.

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Caterpillar 3406B 14.6L Engine Overview

The Caterpillar 3406B 14.6L remanufactured diesel engine is celebrated for its durability and reliable performance in heavy-duty applications. This inline-six engine features a 14.6-liter (893 cubic inches) displacement and operates with a 6.5-inch stroke, ensuring robust power delivery and efficiency. Engineered for demanding environments, the 3406B excels in industrial and transportation sectors, where reliability and performance are paramount. Its design and build quality make it a trusted choice for powering equipment and vehicles that require consistent and dependable operation. With its proven track record, the Caterpillar 3406B continues to set a standard in heavy-duty engine performance.


The Caterpillar 3406B engine is built to meet the demands of challenging applications with its impressive specifications. It features an inline-six, four-stroke diesel configuration with a displacement of 14.6 liters (893 cubic inches). With a bore and stroke of 5.4 inches by 6.5 inches, this engine delivers exceptional power and efficiency. Horsepower ranges from 310 to 485 HP depending on the configuration, while torque reaches up to 1,850 lb-ft, making it capable of handling heavy workloads with ease. The engine is turbocharged, enhancing its performance and fuel efficiency, and utilizes a mechanical fuel injection system for precise operation.

Caterpillar 3406B engine

These specifications make the Caterpillar 3406B a versatile and reliable power solution across various industries. Whether in construction, transportation, or industrial applications, its robust design and high-performance output ensure consistent results in demanding conditions. The combination of durability, power, and adaptability solidifies the 3406B as a trusted choice for heavy-duty operations.

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Applications and Benefits

Caterpillar 3406B engine

The Caterpillar 3406B 14.6L remanufactured engine is a versatile powerhouse widely trusted across various sectors for its reliability and performance. In the trucking industry, it powers heavy-duty trucks, ensuring consistent and efficient operation over long hauls. For construction equipment like bulldozers and excavators, it delivers the high torque needed for demanding tasks. Additionally, its robust and dependable design makes it a preferred choice for marine applications, providing reliable power for boats in challenging conditions.


Choosing a remanufactured Caterpillar 3406B engine offers a cost-effective solution without compromising on performance. These engines are expertly restored to meet or exceed original factory specifications, providing reliable power at a fraction of the cost of a new engine.

The remanufacturing process involves thorough inspection, replacement of worn components, and rigorous testing to ensure durability and efficiency, making it an ideal choice for heavy-duty applications across various industries.

In addition to cost savings, opting for a remanufactured engine supports environmental sustainability. By reusing existing engine components, the remanufacturing process significantly reduces waste and conserves natural resources. This eco-friendly approach minimizes the environmental impact associated with producing new engines while maintaining the high-performance standards expected of a Caterpillar engine. Choosing a remanufactured 3406B engine not only benefits your budget but also contributes to a more sustainable future, aligning reliability, affordability, and environmental responsibility in one powerful package.

Maintenance and Longevity

Caterpillar 3406B engine

Regular maintenance is vital to extend the lifespan and enhance the efficiency of the Caterpillar 3406B engine. Performing routine oil changes ensures optimal lubrication, reducing wear and tear on critical components. Regular fuel system inspections help keep the mechanical fuel injectors clean and functioning effectively, promoting consistent performance. Additionally, cooling system checks, such as maintaining proper coolant levels and inspecting hoses for leaks or damage, are essential to prevent overheating. Adhering to these practices ensures reliable and efficient engine operation.

Following regular maintenance routines is essential for maximizing the operational life and performance of the Caterpillar 3406B engine. Routine oil changes, fuel system inspections, and cooling system checks ensure the engine operates efficiently and reliably. By addressing potential issues early and maintaining critical components, these practices help prevent costly repairs and downtime, keeping the engine in peak condition for demanding applications.

Availability and Support

At Houston Engines, we specialize in providing expertly remanufactured Caterpillar 3406B 14.6L diesel engines, designed to meet the demands of heavy-duty applications. Each engine undergoes a rigorous remanufacturing process to ensure it meets or exceeds original factory specifications, delivering unmatched reliability and performance.

Our remanufacturing process involves meticulous inspection, replacement of worn components, and precision testing to guarantee the highest quality standards. The result is a powerful and durable engine that you can depend on for demanding operations.

To ensure your peace of mind, we offer comprehensive support and warranties on all our remanufactured engines. This commitment not only protects your investment but also provides confidence in the long-term performance of your engine. Contact  Houston Engines for top-tier remanufactured engines and exceptional service tailored to meet your needs.

Frequently Asked Questions (FAQs)

Frequently Asked Questions (FAQ)

What is the horsepower range of the Caterpillar 3406B engine?

The 3406B engine's horsepower ranges from 310 to 485 HP, depending on its configuration.

What applications are suitable for the 3406B engine?

The 3406B is suitable for heavy-duty trucks, construction equipment, and marine applications.

What are the benefits of choosing a remanufactured 3406B engine?

Remanufactured engines offer cost savings and environmental benefits by reusing existing components.

How often should I perform oil changes on the 3406B engine?

It's recommended to follow Caterpillar's maintenance guidelines, typically every 250 to 300 hours of operation.

Is the 3406B engine turbocharged?

Yes, the 3406B engine is equipped with a turbocharger to enhance performance.

What type of fuel injection system does the 3406B use?

The 3406B utilizes a mechanical fuel injection system.

Can the 3406B engine be used in marine applications?

Yes, the 3406B is suitable for marine applications.

What is the displacement of the 3406B engine?

The engine has a displacement of 14.6 liters (893 cubic inches).

Does Houston Engines offer warranties on remanufactured 3406B engines?

Yes, we provide comprehensive warranties on our remanufactured

What is the typical lifespan of a remanufactured Caterpillar 3406B engine?

A properly maintained Caterpillar 3406B remanufactured engine can last over 1,000,000 miles or 20,000+ hours, depending on usage and maintenance practices. Regular oil changes, fuel system care, and proper load management help extend its lifespan.

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