6.7 Cummins For Sale: Find Your Perfect Engine

# 6.7 Cummins for Sale: Your Ultimate Guide to Finding the Right Engine

The 6.7 Cummins is a powerhouse of an engine, known for its reliability, durability, and impressive performance. Whether you're looking to upgrade your truck, replace a worn-out engine, or embark on a custom build, finding the right 6.7 Cummins for sale is crucial. This comprehensive guide will walk you through everything you need to know, from identifying your needs to securing the perfect engine for your project.

## What to Consider Before Buying a 6.7 Cummins

Before diving into listings, take a moment to assess your specific requirements. This will help you narrow your search and ensure you find an engine that meets your needs.

### 1. Intended Use

*   **Daily Driving & Towing:** If you plan to use your truck for everyday driving and occasional towing, a stock or mildly upgraded 6.7 Cummins will likely suffice. These engines offer a good balance of power and fuel efficiency.
*   **Heavy Towing & Hauling:** For those who frequently tow heavy loads or haul materials, a more robust engine with increased torque and horsepower might be necessary. Consider options with upgraded turbos, injectors, and tuning.
*   **Performance & Racing:** If your goal is high performance and racing, you'll need a heavily modified 6.7 Cummins with significant upgrades to the internals, fuel system, and turbocharger. These engines are built for maximum power output.

### 2. Budget

The cost of a 6.7 Cummins can vary widely depending on its condition, mileage, and any modifications. Set a realistic budget that includes not only the engine itself but also potential installation costs and any necessary supporting components.

### 3. Engine Condition & Mileage

*   **New Engines:** New 6.7 Cummins engines offer the peace of mind of a fresh start and a factory warranty. However, they come at a premium price.
*   **Remanufactured Engines:** Remanufactured engines are a cost-effective alternative to new ones. These engines have been disassembled, inspected, and rebuilt with new or remanufactured parts. Look for reputable remanufacturers with warranties.
*   **Used Engines:** Used 6.7 Cummins engines can be the most affordable option, but they also come with the highest risk. Thoroughly inspect the engine and ask for maintenance records before making a purchase.
*   **Mileage:** Lower mileage engines generally command a higher price, but they also tend to have a longer lifespan. Consider your budget and intended use when evaluating mileage.

### 4. Engine Generation & Model Year

The 6.7 Cummins has undergone several updates and revisions over the years. Understanding the different generations and model years can help you make an informed decision.

*   **2007.5-2018 (6.7L ISB):** This generation is known for its reliability and strong performance. It features a variable geometry turbocharger (VGT) and a diesel particulate filter (DPF) to meet emissions standards.
*   **2019+ (6.7L High Output):** The newer high-output version offers increased horsepower and torque, thanks to upgrades like a larger turbocharger and a more robust fuel system.

### 5. Supporting Components

Consider any supporting components you might need, such as:

*   **Wiring Harness:** Essential for connecting the engine to your vehicle's electrical system.
*   **ECM (Engine Control Module):** The ECM controls the engine's operation. Ensure it's compatible with your vehicle.
*   **Transmission:** A 6.7 Cummins can generate significant torque, so make sure your transmission can handle the power.
*   **Cooling System:** A high-performance engine requires an efficient cooling system to prevent overheating.

## Where to Find 6.7 Cummins Engines for Sale

There are several avenues to explore when searching for a 6.7 Cummins engine:

### 1. Online Marketplaces

*   **eBay:** A popular online marketplace with a wide selection of used and remanufactured engines.
*   **Craigslist:** A local classifieds site where you can find engines for sale by individuals and businesses.
*   **Facebook Marketplace:** Similar to Craigslist, Facebook Marketplace offers local listings and can be a good place to find deals.

### 2. Engine Remanufacturers

*   **Cummins:** The original manufacturer offers remanufactured engines with a factory warranty.
*   **Jasper Engines & Transmissions:** A reputable remanufacturer with a wide network of distributors.
*   **ATK Engines:** Another well-known remanufacturer offering a variety of engine options.

### 3. Diesel Performance Shops

*   **Local Shops:** Diesel performance shops often sell engines, both new and used, and can provide expert advice.
*   **Online Retailers:** Several online retailers specialize in diesel performance parts and engines.

### 4. Salvage Yards

*   **Local Salvage Yards:** Salvage yards can be a source of used 6.7 Cummins engines, often at lower prices. However, be prepared to do some searching and inspection.
*   **Online Salvage Networks:** Online networks connect salvage yards across the country, making it easier to find specific engines.

## How to Inspect a 6.7 Cummins Before Buying

Thorough inspection is crucial when buying a used or remanufactured 6.7 Cummins. Here's what to look for:

### 1. Visual Inspection

*   **Leaks:** Check for oil or coolant leaks around the engine block, cylinder head, and seals.
*   **Damage:** Look for any signs of physical damage, such as cracks or broken components.
*   **Rust & Corrosion:** Excessive rust or corrosion can indicate poor maintenance or exposure to harsh conditions.
*   **Cleanliness:** A clean engine is not always an indicator of good condition, but a neglected and dirty engine might suggest a lack of maintenance.

### 2. Mechanical Inspection

*   **Compression Test:** A compression test measures the pressure in each cylinder, providing insights into the engine's overall health. Low compression can indicate worn piston rings or valves.
*   **Oil Pressure Test:** An oil pressure test measures the engine's oil pressure, which is crucial for lubrication. Low oil pressure can lead to engine damage.
*   **Cylinder Head Inspection:** If possible, inspect the cylinder head for cracks or damage. This is a common area for issues in high-mileage engines.
*   **Turbocharger Inspection:** Check the turbocharger for excessive play in the turbine shaft, which can indicate wear or damage.

### 3. Documentation & History

*   **Maintenance Records:** Ask for maintenance records to understand the engine's service history.
*   **Warranty:** If buying a remanufactured engine, ensure it comes with a warranty from a reputable provider.
*   **Vehicle History:** If the engine is from a salvaged vehicle, check the vehicle's history report for any major accidents or damage.

### 4. Listen to the Engine

*   **Start-up:** A healthy 6.7 Cummins should start smoothly and quickly.
*   **Idle:** Listen for any unusual noises, such as knocking, ticking, or hissing.
*   **Smoke:** Excessive smoke from the exhaust can indicate various issues, such as worn piston rings or faulty injectors.

## Tips for Negotiating the Price

Negotiating the price of a 6.7 Cummins is an important part of the buying process. Here are some tips to help you get the best deal:

*   **Research the Market:** Understand the current market value of similar engines based on their condition, mileage, and features.
*   **Identify Flaws:** Point out any flaws or issues you find during the inspection. This can give you leverage in negotiations.
*   **Be Prepared to Walk Away:** Don't be afraid to walk away if the seller isn't willing to meet your price. There are plenty of other engines out there.
*   **Consider Cash Offers:** Offering cash can sometimes incentivize the seller to lower the price.
*   **Bundle Purchases:** If you need other components, such as a transmission or wiring harness, try to bundle them together for a better deal.

## Installation Considerations

Installing a 6.7 Cummins engine requires expertise and proper tools. Here are some key considerations:

### 1. Professional Installation

Unless you have extensive mechanical experience, it's best to have a professional install the engine. This will ensure it's done correctly and prevent potential issues down the road.

### 2. Compatibility

Ensure the engine is compatible with your vehicle's chassis, transmission, and electrical system. You may need to make modifications or purchase adapters.

### 3. Supporting Components

Replace any worn or damaged supporting components, such as hoses, belts, and filters. This will help ensure the engine's longevity and performance.

### 4. Tuning

Depending on your application, you may need to tune the engine's ECM for optimal performance and fuel efficiency. A professional tuner can help you dial in the settings.

## Maintaining Your 6.7 Cummins

Proper maintenance is crucial for keeping your 6.7 Cummins running strong for years to come. Here are some key maintenance tasks:

### 1. Regular Oil Changes

Change the oil and filter at the recommended intervals (typically every 7,500 miles or 6 months). Use a high-quality diesel-specific oil.

### 2. Fuel Filter Replacement

Replace the fuel filter regularly to prevent contaminants from damaging the fuel injectors.

### 3. Air Filter Replacement

Replace the air filter to ensure proper airflow to the engine.

### 4. Coolant Flush

Flush and replace the coolant every few years to prevent corrosion and maintain optimal cooling performance.

### 5. Injector Cleaning

Consider having the fuel injectors cleaned periodically to maintain optimal fuel delivery and prevent performance issues.

### 6. Valve Lash Adjustment

Check and adjust the valve lash at the recommended intervals to ensure proper valve operation.

## Frequently Asked Questions (FAQ)

### 1. How much does a 6.7 Cummins engine cost?

The cost of a 6.7 Cummins engine can vary widely depending on its condition, mileage, and any modifications. A used engine might cost anywhere from $3,000 to $8,000, while a remanufactured engine can range from $8,000 to $15,000 or more. New engines are the most expensive, often exceeding $15,000.

### 2. What are the common problems with the 6.7 Cummins?

Some common issues with the 6.7 Cummins include:

*   **DPF (Diesel Particulate Filter) Issues:** The DPF can become clogged, leading to reduced performance and potential engine damage.
*   **EGR (Exhaust Gas Recirculation) Valve Problems:** The EGR valve can become clogged with soot and carbon, affecting engine performance.
*   **Injector Failures:** Injector failures can lead to rough running and reduced fuel economy.
*   **Turbocharger Issues:** The VGT (Variable Geometry Turbocharger) can experience issues with its vanes, leading to performance problems.

Regular maintenance and proper tuning can help mitigate these issues.

### 3. What is the lifespan of a 6.7 Cummins engine?

A well-maintained 6.7 Cummins engine can last for 300,000 miles or more. Some owners have reported reaching 500,000 miles or even 1 million miles with proper care.

### 4. Can I install a 6.7 Cummins in any truck?

While it's possible to install a 6.7 Cummins in various trucks, it's not a straightforward process. You'll need to consider factors like compatibility with the chassis, transmission, and electrical system. Professional installation is highly recommended.

### 5. What are the best upgrades for a 6.7 Cummins?

Some popular upgrades for the 6.7 Cummins include:

*   **Performance Tuner:** A tuner can optimize engine performance and fuel efficiency.
*   **Exhaust System:** An aftermarket exhaust system can improve airflow and reduce backpressure.
*   **Turbocharger Upgrade:** A larger or upgraded turbocharger can increase horsepower and torque.
*   **Fuel Injectors:** Upgraded fuel injectors can improve fuel delivery and performance.
*   **Air Intake System:** An aftermarket air intake system can improve airflow to the engine.

### 6. How much horsepower can a 6.7 Cummins handle?

A stock 6.7 Cummins typically produces around 350-400 horsepower. With modifications, it's possible to increase the output to 500 horsepower or more. Heavily modified engines can even exceed 1,000 horsepower.

## Conclusion

Finding the right 6.7 Cummins for sale requires careful consideration and thorough research. By understanding your needs, inspecting engines thoroughly, and negotiating effectively, you can secure a powerful and reliable engine for your project. Remember to prioritize maintenance and proper installation to ensure your 6.7 Cummins provides years of dependable service.