The Yuchai YC6K Marine Main Engine is a new-generation electronically controlled marine diesel engine designed for a wide range of inland and near-sea applications. It serves as both main and auxiliary power for commercial vessels, electric-drive vessels, hybrid propulsion systems, and fishing boats. With advanced electronic control architecture and a forward-looking design concept, the Yuchai YC6K Marine Main Engine delivers high efficiency, strong reliability, and excellent adaptability to modern marine operating requirements.

High Safety Performance

The Yuchai YC6K Marine Main Engine features advanced electronic control with self-diagnostic protection and fault-operation protection functions. These systems continuously monitor engine status and respond quickly to abnormal conditions, ensuring safe and stable operation. As a result, the YC6K marine engine offers enhanced operational safety for various marine applications.

Energy Saving and Environmental Protection

The YC6K marine engine achieves more than 10% fuel savings compared with traditional mechanical engines. Its full electronic control system enables precise fuel management and efficient combustion. Moreover, the Yuchai YC6K Marine Main Engine meets IMO II emission standards or higher, making it well suited for vessels operating under increasingly strict environmental regulations.

High Reliability

Designed for long service life, the Yuchai YC6K Marine Main Engine offers an overhaul interval of up to 30,000 operating hours. This high reliability reduces downtime and maintenance costs, ensuring dependable performance during long-term marine operation.

Lightweight and Compact Structure

The YC6K marine engine adopts a lightweight and compact design. Its overall weight and dimensions are benchmarked against leading international brands, while high component interchangeability simplifies installation and replacement. This compact structure allows flexible integration into various vessel layouts.

Advanced Technology and Flexible Configuration

With a fully electronic control system, the Yuchai YC6K Marine Main Engine supports customized configurations to meet different vessel and propulsion requirements. This flexibility makes it suitable for conventional propulsion, electric-drive systems, and hybrid power solutions.

Premium Global Components

The YC6K marine engine integrates key components from world-class suppliers, including Bosch, Honeywell, Mahle, Federal-Mogul, and Gates. This optimized component selection ensures consistent quality, high performance, and long-term durability.