Engine Cummins QSB 6.7

Cummins QSB 6.7 Engine After Overhaul – Ready-to-Run Unit

We present a fully remanufactured Cummins QSB 6.7 engine, prepared for immediate operation. This unit has undergone a professional rebuild, serving as a reliable alternative to brand-new powerplants. This overhauled engine has passed a rigorous verification process, ensuring parameters meet manufacturer specifications and provide high reliability in the toughest working conditions.

Why choose our reconditioned engine?

• Comprehensive Overhaul – The unit has been fitted with new repair kits: pistons, rings, liners, and bearings. A new oil pump and water pump have also been installed.
• Precision Machining – The crankshaft and engine block have undergone professional machining, and the cylinder head has been fully regenerated with new valves and seals.
• Common Rail Injection System – Precise diagnostics and regeneration of injectors and the high-pressure pump guarantee optimal combustion and performance.
• Dyno Testing – Every repaired engine is tested under load, confirming its efficiency and leak-tightness before shipment to the customer.

Application – Engine for Construction and Industrial Machinery

The Cummins QSB 6.7 is an exceptionally popular power unit. This offered excavator engine, articulated hauler engine, or loader engine fits machines from brands such as Case, New Holland, Hyundai, Komatsu, as well as drilling rigs and crushers. Available off-the-shelf, it allows you to significantly minimize equipment downtime.

Service and Support – Krakow, Lesser Poland, Podhale

Our offer goes beyond just sales. We provide comprehensive service and technical support. Our mobile service reaches customers in locations such as Krakow, Lesser Poland (Małopolska), or Podhale, offering installation and initial commissioning at the customer's site. We have wide access to spare parts, which shortens the time for any future maintenance.

Warranty and Security

We provide a warranty for every complete engine overhaul. We focus on reliable cooperation, which is why we offer transparent terms and full documentation of the work performed. Engine regeneration in our facility is a process based on years of experience and specialized technical facilities.

FAQ – Frequently Asked Questions

• Is the Cummins QSB 6.7 engine complete? Yes, we offer a complete unit equipped with necessary accessories. There is a full possibility to reconfigure and adapt components (e.g., timing housing, turbocharger) to the customer's specific machine model.
• What parts were used for the overhaul? We use only proven components with high durability, which, combined with precise assembly, guarantees a long service life.
• Do you offer on-site construction machinery service? Yes, our mobile service performs diagnostics and engine replacements directly at the construction site or mine.

Contact Us

Do you need a fast engine replacement? Are you interested in professional engine repair or purchasing a ready-to-use unit? Give us a call. We will advise you on the configuration and match the accessories to your specific machine model.

The Cummins Brand – A Global Leader in Power Technology

Cummins Inc. is an American industrial legend, founded in 1919 by Clessie Cummins. For over a century, the company has set standards in diesel engine production, renowned for innovation and the legendary durability of its designs.

The QSB 6.7 model is one of the most successful units in the Quantum series. It utilizes an advanced fuel injection system and turbocharging, resulting in an excellent power-to-weight ratio while maintaining strict emission standards. By choosing a Cummins engine, you are investing in technology proven in millions of units working in the toughest economic sectors worldwide.