# Engine Cummins 6BT5.9 – reconditioned

> Cummins 6BT5.9 engine after regeneration, ideal for construction machinery. High performance and reliability.

- Category: [Diesel engines](https://wibako.com/shop/diesel-engines.md)
- Manufacturer: Cummins
- Stock number: 78274
- Condition: reconditioned
- Price: on request
- Availability: in stock

Engine Cummins 6BT5.9 – reconditioned. Fits: Wheel loader Case 621B, Crawler excavator Jcb JS200, Wheel loader Hyundai HL750-3 and others.

## Specification

- name: Engine
- mark: Cummins
- type: 6BT5.9
- condition: reconditioned
- brand: Cummins
- category: Diesel Engines
- availability: On order

## Description

##### 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.

## Fits (machines and engines)

- Wheel loader Case 621B
- Crawler excavator Jcb JS200
- Wheel loader Hyundai HL750-3
- Crawler excavator JCB JS210
- Wheel loader Case 721B
- Wheel loader Hyundai HL760-9
- Crawler excavator Jcb JS220
- Agricultural tractor McCormick MTX135
- Agricultural tractor McCormick MTX150
- Ładowarka Case 1840
- Crawler excavator Case 9040B
- Wheel loader LiuGong CLG856
- Agricultural tractor Case 5130
- Agricultural tractor Case 5140
- Agricultural tractor Case 5230
- Agricultural tractor Case 5240
- Agricultural tractor Case 5250
- Agricultural tractor Case IH MX100
- Agricultural tractor Case IH MX110
- Agricultural tractor Case IH MX120
- Agricultural tractor Case IH MX135
- Crawler excavator Case 9030B
- Wozidło przegubowe JCB 722
- Crawler excavator Hyundai ROBEX210LC-3
- Crawler excavator Hyundai ROBEX250LC-3
- Agricultural tractor New Holland 8160
- Agricultural tractor New Holland 8260
- Agricultural tractor New Holland 8360
- Agricultural tractor New Holland 8560
- Agricultural tractor McCormick MTX110
- Agricultural tractor McCormick MTX125
- Wheel loader Kawasaki 65ZV
- Wheel loader Kawasaki 70ZV
- Drilling rig Atlas Copco ROCD7
- Forklift Hyster H150-250XL
- Power generator Cummins Power 6BT-G2

## Reference numbers

6BT5.9

## Other items

- [Engine Cummins 6BT5.9 – used](https://wibako.com/shop/diesel-engines/5881X80450-engine-cummins-6bt5-9.md)

## Guides and case studies

- [Service and Repair of Cummins 6BT5.9 Engine](https://wibako.com/about-us/service/526-service-and-repair-of-cummins-6bt5-9-engine.md)

![Photo: Engine Cummins 6BT5.9](https://wibako.com/images/2170271_1772632696038_1000x1000.webp)

---

Source: https://wibako.com/shop/diesel-engines/5881X78274-engine-cummins-6bt5-9
Contact: +48338704200, biuro@wibako.pl