The Cummins ISB 6.7 engine is one of the most reliable and widely used diesel engines today. Found in various trucks, buses, RVs, and industrial applications, this engine is known for its durability, fuel efficiency, and power output. If you're looking for a Cummins ISB 6.7 engine for sale, this guide will provide you with all the necessary information to make an informed purchase.
Overview of the Cummins ISB 6.7 Engine
The Cummins ISB 6.7 engine for sale is a turbocharged, inline-six diesel engine favorite among truckers, fleet operators, and diesel enthusiasts. First introduced in 2007, it replaced the older 5.9L Cummins engine and brought significant improvements in power, emissions control, and fuel efficiency.
Key Specifications
Engine Type: Inline-6, Turbocharged Diesel
Displacement: 6.7 liters
Horsepower: 200 – 325 HP
Torque: 520 – 750 lb-ft
Fuel System: High-Pressure Common Rail (HPCR)
Emissions Compliance: Meets EPA and CARB standards
Applications: Medium-duty trucks, buses, RVs, agricultural equipment, and construction machinery
The ISB 6.7 is commonly found in vehicles like the Dodge Ram 2500/3500, Freightliner M2, International MV, and Ford F-650/F-750.
Why Choose the Cummins ISB 6.7 Engine?
Reliability and Longevity
Cummins engines are known for their durability, and the ISB 6.7 is no exception. With proper maintenance, these engines can last well over 500,000 miles, making them a great investment for businesses and individuals looking for a dependable powertrain.
Fuel Efficiency
Thanks to its high-pressure common rail fuel system, the ISB 6.7 delivers better fuel economy compared to previous models. Whether used in a truck or an RV, the engine provides optimal performance with lower fuel consumption, helping owners save money in the long run.
Power and Performance
With horsepower ranging from 200 to 325 HP and torque outputs up to 750 lb-ft, the Cummins ISB 6.7 provides strong towing and hauling capabilities. This makes it ideal for commercial trucks, buses, and heavy-duty applications.
Advanced Emissions Technology
The ISB 6.7 complies with EPA and CARB emissions standards, making it an environmentally friendly option. It includes features like:
Diesel Particulate Filter (DPF)
Selective Catalytic Reduction (SCR)
Exhaust Gas Recirculation (EGR)
These systems help reduce harmful emissions while maintaining excellent performance.
Wide Availability of Parts and Support
Since the Cummins ISB 6.7 is widely used, parts and service centers are readily available. Whether you need a replacement turbocharger, injectors, or gaskets, you won’t have trouble finding components.
Where to Find a Cummins ISB 6.7 Engine for Sale
If you’re in the market for a new, used, or remanufactured Cummins ISB 6.7 engine, there are several options to consider:
Authorized Cummins Dealers
The best way to ensure you get a genuine Cummins engine is to purchase from an authorized Cummins dealer. These dealers offer:
Brand-new engines with warranties
Certified remanufactured engines
OEM parts and accessories
Online Marketplaces
Websites like eBay, DieselEngineTrader, and Facebook Marketplace often list used and rebuilt Cummins ISB 6.7 engines at competitive prices. However, buyers should verify the seller’s reputation and ask for details like:
Mileage and service history
Compression test results
Warranty options (if any)
Engine Rebuilders and Remanufacturers
Companies specializing in remanufactured diesel engines offer reconditioned ISB 6.7 engines that meet factory specifications. Popular sources include:
Jasper Engines & Transmissions
Foley Engines
Detroit Diesel Exchange
Remanufactured engines often come with warranties and improved performance due to upgraded components.
Salvage Yards and Truck Dismantlers
If you’re looking for a budget-friendly option, visiting a truck salvage yard might be a good choice. These facilities often have low-mileage engines from wrecked trucks that are still in good condition.
Factors to Consider Before Buying
Before purchasing a Cummins ISB 6.7 engine, consider the following factors:
Engine Condition
Is the engine new, used, or remanufactured?
Has it been tested for compression, fuel system leaks, and oil pressure?
Compatibility
Ensure the engine is compatible with your vehicle’s model and ECU programming.
Some trucks have specific configurations that require certain modifications.
Warranty and Return Policy
Does the seller offer a warranty?
Can the engine be returned if it doesn’t fit or has hidden issues?
Price Comparison
Compare prices from different sellers to get the best deal.
Keep in mind that cheaper doesn’t always mean better—a high-quality remanufactured engine may cost more but last longer.
How Much Does a Cummins ISB 6.7 Engine Cost?
The price of a Cummins ISB 6.7 engine varies based on its condition and source:
New Engine: $15,000 – $25,000
Remanufactured Engine: $8,000 – $15,000
Used Engine: $5,000 – $10,000
Additional costs may include shipping, installation, and programming fees.
Final Thoughts
The Cummins ISB 6.7 engine is a powerhouse known for its durability, fuel efficiency, and strong performance. Whether you're looking to replace an old engine or upgrade your vehicle, buying an ISB 6.7 can be a great investment.
