6.7 Cummins Engines For Sale: Buyer's Guide

Looking for a robust and reliable engine for your truck? The 6.7 Cummins engine is a top choice for many, known for its power, durability, and impressive towing capabilities. Whether you're undertaking a major overhaul, a performance upgrade, or a complete engine swap, finding the right 6.7 Cummins engine for sale can be a crucial step. This guide will walk you through everything you need to know to make an informed decision, ensuring you get the best value and performance for your investment.

Why Choose a 6.7 Cummins Engine?

The 6.7-liter Cummins turbodiesel engine has become a staple in the heavy-duty truck market, particularly in Ram pickups. It's celebrated for its significant power output, improved emissions control systems compared to older models, and its ability to handle demanding tasks. Its reputation for longevity and relatively straightforward maintenance makes it a preferred option for both commercial use and dedicated enthusiasts.

Power and Performance

When looking for a 6.7 Cummins engine for sale, power is often a primary consideration. These engines typically offer substantial horsepower and torque figures right out of the box. For instance, depending on the model year and specific application, they can produce well over 300 horsepower and an impressive 600-800 lb-ft of torque. This raw power is essential for towing heavy loads, navigating challenging terrains, and ensuring brisk acceleration, even when fully loaded.

Durability and Longevity

Cummins engines have a legendary reputation for their durability, and the 6.7-liter variant is no exception. Built with heavy-duty components, these engines are designed to withstand the rigors of continuous operation and high stress. With proper maintenance, a 6.7 Cummins can easily surpass hundreds of thousands of miles, making it a sound long-term investment. When purchasing a used 6.7 Cummins engine for sale, understanding its maintenance history is key to assessing its remaining lifespan. — Rialto, Brooklyn, Golden Gate: Unique Landmarks Explored

Modern Features and Emissions Compliance

Compared to older diesel engines, the 6.7 Cummins incorporates modern emissions control technologies such as Diesel Particulate Filters (DPF), Selective Catalytic Reduction (SCR) systems using Diesel Exhaust Fluid (DEF), and Exhaust Gas Recirculation (EGR). While these systems enhance environmental performance, they can add complexity. When searching for a 6.7 Cummins engine for sale, be aware of these components and their condition, as they can be costly to repair or replace.

Where to Find a 6.7 Cummins Engine for Sale

Several avenues exist for sourcing a 6.7 Cummins engine. Each has its own set of pros and cons regarding price, availability, and the condition of the engine.

Reputable Engine Rebuilders and Specialists

One of the most reliable sources for a 6.7 Cummins engine for sale is a reputable engine rebuilding company. These specialists often acquire used engines, completely disassemble them, inspect all components, replace worn parts, and reassemble them to exacting standards. You can often purchase a fully remanufactured 6.7 Cummins engine with a warranty, offering peace of mind. These engines are essentially like new, tested, and ready for installation.

Used Engine Dealerships and Salvage Yards

Used engine dealers and salvage yards can be a good source for more budget-friendly options. Here, you can often find engines pulled directly from trucks that have been wrecked or otherwise retired. It's crucial to inspect these engines thoroughly if possible, ask about their mileage and any known issues, and understand the seller's return policy. While cheaper, the risk of hidden problems is generally higher.

Online Marketplaces and Forums

Online platforms like eBay, Craigslist, and specialized diesel forums are popular places to find a 6.7 Cummins engine for sale. These can offer a wide variety of options, from low-mileage pull-outs to project engines. Be extra vigilant when buying online. Always look for sellers with high ratings and positive reviews. Requesting detailed photos, videos of the engine running (if possible), and service records is essential. Meet local sellers in person if feasible.

Direct from Truck Owners

Sometimes, individuals selling their entire truck might be willing to sell the engine separately, especially if the truck has other issues but the engine is sound. This is less common but can sometimes yield a good deal if you happen to find someone in this situation.

What to Look for When Buying a Used 6.7 Cummins

Purchasing a used engine involves careful consideration. Here’s a checklist to help you evaluate a 6.7 Cummins engine for sale: — Hoi An Weather: Your Ultimate Travel Guide

Mileage and Service History

Try to ascertain the engine's mileage. Lower mileage generally suggests less wear. More importantly, inquire about the maintenance history. Regular oil changes, filter replacements, and adherence to the manufacturer's service schedule are critical indicators of how well the engine has been cared for. Ask for maintenance records if available.

Visual Inspection

When inspecting a 6.7 Cummins engine for sale in person, look for:

• Corrosion and Leaks: Check for signs of rust, oil leaks, coolant leaks, or fuel leaks, especially around gaskets and seals.
• Engine Block Condition: Inspect the block for cracks or damage.
• Turbocharger: Look for excessive play in the turbocharger shaft or signs of oil burning.
• Exhaust Manifold: Check for cracks or signs of leaks.
• Cooling System Components: Inspect the radiator, hoses, and water pump for leaks or damage.

Compression Test

If possible, ask the seller if a compression test can be performed. Good compression numbers across all cylinders are a strong indicator of internal engine health. Low or uneven compression can signal worn piston rings, valves, or head gasket issues.

Oil Analysis

An oil analysis report can provide valuable insights into the engine's internal condition. It can detect the presence of wear metals, coolant, or fuel in the oil, which can indicate potential problems.

Emissions Components Condition

As mentioned, the DPF, SCR, and EGR systems are crucial for emissions compliance. Ask about their condition and if they have been tampered with or deleted. While some owners opt for deletes, this is illegal in many regions and can affect smog checks. Ensure these components are intact and functioning if emissions compliance is a concern for you.

Remanufactured vs. Used Engines

When evaluating your options for a 6.7 Cummins engine for sale, you'll likely encounter two main categories: used and remanufactured.

Used Engines

Pros:

• Typically lower upfront cost.
• Wider availability.

Cons:

• Unknown history and potential for hidden wear or damage.
• Often sold as-is with limited or no warranty.
• May require immediate repairs or rebuild.

Remanufactured Engines

Pros:

• Completely rebuilt to factory specifications or better.
• All critical wear components are replaced.
• Often come with a comprehensive warranty.
• Tested and verified for performance.

Cons:

• Higher upfront cost compared to used engines.
• May have a longer lead time for availability.

For critical applications or if peace of mind is paramount, a remanufactured 6.7 Cummins engine is often the preferred choice, despite the higher initial price. It represents a significant reduction in risk.

Considerations for Specific Model Years

The 6.7 Cummins has evolved over the years. Different model years may have specific strengths, weaknesses, or changes in emissions equipment.

• 2007.5-2009: These were the first years for the 6.7L. They feature the Holset HE351VE variable geometry turbocharger (VGT) and the initial DPF system. Power ratings were typically around 350 hp and 650 lb-ft torque.
• 2010-2012: Received updates to emissions systems, including more robust DPF and SCR integration. Power increased slightly to around 360 hp and 660 lb-ft torque.
• 2013-2018: Saw further refinements in emissions control and increased power output, often reaching 385 hp and 900 lb-ft torque in later models. These years are generally considered very reliable.
• 2019+: Newer models feature updated emissions, increased power, and potentially more complex integrated electronics. Power ratings can exceed 400 hp and 1000 lb-ft torque.

When searching for a 6.7 Cummins engine for sale, specifying the desired model year can help narrow your search and ensure compatibility with your project.

Common Issues and Maintenance Tips

While robust, the 6.7 Cummins is not immune to issues. Awareness can help you spot potential problems when buying or maintain your engine after installation.

EGR Cooler Failures

The Exhaust Gas Recirculation (EGR) cooler is a common failure point in these engines, especially in earlier models. When it fails, coolant can leak into the intake or exhaust, leading to white smoke, overheating, or engine damage.

DPF Clogging

The Diesel Particulate Filter can become clogged over time, particularly if the vehicle is used primarily for short trips where the filter doesn't get hot enough to regenerate properly. This can lead to reduced power and trigger check engine lights.

Injector Issues

While generally reliable, fuel injectors can fail over time due to wear or contamination. Symptoms include rough idling, loss of power, or excessive smoke.

Turbocharger Problems

The VGT turbocharger, while effective, can develop issues with the vanes sticking due to carbon buildup, affecting performance.

Maintenance is Key: Regular oil and filter changes using high-quality fluids are paramount. Following the manufacturer's recommended maintenance schedule for all components, including emissions systems, will extend the life of your 6.7 Cummins engine.

Integrating the 6.7 Cummins into Your Project

Whether you're replacing an old engine or building a custom truck, integrating a 6.7 Cummins engine requires careful planning.

Compatibility and Fitment

Ensure the engine you purchase is compatible with your vehicle's chassis, transmission, and electrical system. You may need specific adapters, mounts, or wiring harnesses. Engine gurus and reputable suppliers can provide guidance on what's needed for your specific swap.

Installation and Labor

Engine installation is a complex and labor-intensive job. If you're not an experienced mechanic, factor in the cost of professional installation. This includes removing the old engine, preparing the bay, installing the new engine, and connecting all systems (fuel, coolant, exhaust, electrical).

Supporting Systems

Don't forget the supporting systems. Your cooling system, fuel system, exhaust system, and even the transmission need to be in good condition or upgraded to handle the power and torque of the 6.7 Cummins. A weak transmission can be quickly destroyed by a healthy diesel engine.

Frequently Asked Questions (FAQ)

Q1: How much does a 6.7 Cummins engine typically cost?

A1: The cost varies significantly. A used 6.7 Cummins engine for sale might range from $3,000 to $7,000, depending on mileage and condition. A fully remanufactured engine with a warranty can cost $6,000 to $10,000 or more.

Q2: What is the lifespan of a 6.7 Cummins engine?

A2: With proper maintenance, a 6.7 Cummins engine can last well over 300,000 miles, with many exceeding 500,000 miles. Some have even reached 1 million miles.

Q3: Can I use a 6.7 Cummins engine in a truck older than 2007.5?

A3: Yes, it's possible, but it requires significant modifications. You'll need to address the emissions systems (DPF, EGR, SCR), fuel system, and potentially custom mounts and wiring harnesses to integrate it into an older chassis.

Q4: What is the difference between the 5.9L and 6.7L Cummins engines?

A4: The 6.7L is an evolution of the 5.9L, featuring a larger displacement, a VGT turbocharger, and integrated emissions controls (DPF, SCR) for compliance with newer standards. It offers more power and torque than its predecessor. — Exploring Nob Hill: San Francisco's Luxurious Landmark

Q5: Are 6.7 Cummins engines reliable?

A5: Generally, yes. They are known for their robust construction and reliability. However, like any engine, they require consistent maintenance, and specific components like EGR coolers can be prone to issues.

Q6: What should I do about emissions equipment when buying a used 6.7 Cummins?

A6: If you need to comply with emissions regulations, ensure all components (DPF, EGR, SCR) are present and in good working order. If legality is not a concern and you understand the risks, some buyers choose to delete these systems, but this is often illegal and can void warranties.

Q7: How can I verify the condition of a used 6.7 Cummins engine for sale?

A7: Request service records, perform a visual inspection for leaks or damage, inquire about mileage, and if possible, conduct a compression test and oil analysis. Reputable sellers may offer a limited warranty.

Conclusion

Finding the right 6.7 Cummins engine for sale is a significant undertaking that requires research, due diligence, and a clear understanding of your needs. Whether you opt for a used engine, a professionally remanufactured unit, or a complete crate engine, prioritizing quality, history, and reliability will ensure your project's success. By following the advice in this guide, you can confidently navigate the market and secure a powerful and durable 6.7 Cummins engine that will serve you well for years to come.

Ready to find your next engine? Explore listings from trusted suppliers and specialist rebuilders today!