Engine Cummins 6BT5.9

Cummins 6BT5.9 Remanufactured Engine – Ready-to-Install Power Unit

We offer a professionally prepared remanufactured engine by Cummins, model 6BT5.9. This unit has undergone a complete overhaul and is configured for immediate operation in construction, agricultural, or industrial machinery. The engine reconditioning was carried out according to the highest technical standards, making it a reliable alternative to brand-new drives.

Specifications and Scope of Work – Cummins 6BT5.9 Engine

• Complete overhaul of the crank-piston system – new pistons, rings, liners, as well as connecting rod and main bearings have been installed.
• Lubrication and cooling system – new oil pump and water pump, ensuring optimal operating parameters and protection against overheating.
• Cylinder head and timing – full repair of the head, including surface grinding (resurfacing), replacement of valve seals, and valve seat inspection.
• Injection system – precision diagnostics and regeneration of the injection pump and injectors, guaranteeing low fuel consumption and full power output.
• Dyno Testing – every repaired engine undergoes rigorous load testing to confirm its performance before being shipped to the customer.

Applications: Engine for Excavators, Loaders, and Dump Trucks

The Cummins 6BT5.9 is a legendary design, valued for its simplicity and durability. This specific machinery engine is used in equipment from brands such as Case, JCB, Hyundai, and LiuGong. It is ideal as an:

• Excavator engine for both crawler and wheeled models.
• Loader engine for high-performance applications.
• Articulated dump truck engine for technical hauling.

Why Choose Our Remanufactured Engine?

• Reliability – the engine repair is based exclusively on proven, high-quality parts.
• Availability – the unit is available "off-the-shelf," minimizing costly downtime for your business.
• Service and Support – we provide professional after-warranty service and access to consumable components.
• Cost Savings – you receive the performance of a new unit at a significantly better price.

Warranty and Mobile Service – Lesser Poland, Krakow, Podhale

We provide a written warranty for every engine. Our construction machinery service operates nationwide, offering technical support. For the convenience of our customers, a mobile service is available to assist with diagnostics or engine installation directly at the customer's site.

Shipping and Logistics

We offer domestic and international (Worldwide) shipping. Every engine is properly secured on a pallet, and we handle the full organization of transport to the specified address.

FAQ – Frequently Asked Questions

• Does the Cummins 6BT5.9 engine have a mechanical injection pump? Yes, the offered version is based on a reliable mechanical system, which simplifies future service.
• Is it possible to diagnose my old engine? Yes, we conduct a full damage verification and assess whether it is better to overhaul your old unit or purchase a ready-made one.
• Will you match the accessories to my machine? We offer engine conversion to specific configurations of mounts, flywheels, or turbochargers to ensure a trouble-free installation.

Contact Us

Looking for a proven power unit? Do you need a fast engine repair or specific parts? Contact our specialists. We will help you choose the right Cummins 6BT5.9 configuration so your machine can return to work without unnecessary delay.

Cummins – A Global Leader in Diesel Engine Technology

The Cummins Inc. brand 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 nearly indestructible designs. The B-series, which includes the 6BT5.9 model, has gained cult status thanks to its simplicity, resistance to poor fuel quality, and massive power reserves. By choosing a Cummins engine, you are investing in technology proven in millions of units operating in the most demanding corners of the world – from mines to massive construction sites.