Engine Cummins 4BTA3.9

Remanufactured Cummins 4BTA3.9 Engine – Reliable Unit Available Immediately

We offer a professionally prepared remanufactured engine by Cummins, model 4BTA3.9. This is a fully regenerated unit that has undergone a rigorous restoration process, serving as an excellent alternative to new powertrains. Every repaired engine from our service center guarantees the restoration of full operating parameters and maximum service life.

Why choose our fully overhauled engine?

• Overhaul performed with premium components – we use only proven parts, resulting in reliability under harsh conditions.
• Precise diagnostics and machining – the engine block and cylinder head have been pressure tested for leaks, and the crankshaft has undergone verification and grinding.
• New piston-crank system – replacement of liners, pistons, and rings ensures optimal compression and low oil consumption.
• Dyno and load testing – every unit leaving our service center is tested, confirming its readiness to work under full load.

Applications: Engine for excavators, loaders, and construction machinery

The Cummins 4BTA3.9 is an extremely popular unit, valued for its simplicity and durability. It is ideal as a:

• Excavator engine (e.g., Case, JCB, Hyundai).
• Loader engine (wheel or telescopic).
• Dumper engine and power generators.
• Drive unit for specialized road and agricultural machinery.

Service and Repair – Krakow, Małopolska, Podhale

We operate comprehensively across southern Poland. Our mobile service reaches customers in regions including Krakow, Małopolska, or Podhale, offering installation and initial commissioning at the customer's site. Engine regeneration at our company is a transparent process based on years of experience in servicing heavy equipment.

Advantages of purchasing a ready-to-use unit

• Immediate availability – the engine is in stock, minimizing machine downtime.
• Reliability – a professionally serviced 4BTA3.9 matches factory specifications.
• Technical support – we provide full after-sales care and access to consumable components.

Warranty and Safety

We provide a written warranty for every Cummins 4BTA3.9 engine. We are confident in the quality of our work, which is why we offer transparent service terms to give you peace of mind during daily machine operation.

FAQ – Frequently Asked Questions

• Do you offer mobile service in case of a breakdown? Yes, our mobile service operates in Małopolska and nationwide, performing diagnostics and minor repairs on-site at the customer's location.
• Is the Cummins 4BTA3.9 engine complete? The unit is prepared in a complete configuration; depending on customer needs, it is possible to swap accessories from your old engine.
• Where does the engine regeneration take place? All work, including engine repair and dyno testing, is carried out in our specialized workshop by experienced mechanics.

Contact Us

Need a quick quote or want to reserve an engine? Our sales department is at your disposal. Call us and ask about our current Cummins engine offers. Get your machine back to full efficiency today!

Cummins Brand – Global Leader in Diesel Technology

Cummins Inc. is an American legend in the engine industry, providing powertrains since 1919. The brand is synonymous with uncompromising durability, making engines like the 4BTA3.9 the industry standard in construction and transport.

By choosing a Cummins engine, you are investing in technology that withstands the toughest working conditions. Thanks to its simple mechanical design, the 4BTA3.9 is easy to service, and the wide availability of spare parts worldwide keeps operating costs low. It is a unit built for professionals who value efficiency and the absence of unplanned downtime.