OEM YUCHAI YC4D SERIES MARINE diesel engine | Tonkee®

OEM YUCHAI YC4D SERIES MARINE diesel engine | Tonkee®

YUCHAI YC4D SERIES MARINE diesel engine | Tonkee®
To ensure ease of operation and maintenance, the YC4D series engine incorporates user-friendly features. It is equipped with an advanced electronic control system that provides real-time monitoring of engine parameters, fault diagnosis, and protection functions. This system enables efficient troubleshooting and reduces downtime in case of any issues.
YUCHAI YC4D SERIES, MARINE diesel engine | Tonkee®

The YC4D series marine diesel engine is built with a 4-cylinder configuration, ensuring a compact design while delivering sufficient power output.


The engine is available in multiple displacement options, ranging from 3.76 to 6.49 liters, catering to different vessel sizes and requirements. This versatility makes it suitable for a wide range of marine applications, including fishing boats, yachts, ferries, and workboats.

The YC4D series engine incorporates advanced fuel injection technology, enabling precise fuel delivery for optimal combustion efficiency and reduced emissions. This results in improved fuel economy, lower operating costs, and compliance with stringent environmental regulations. The engine is designed to meet the requirements of various emission standards, such as IMO Tier II and Tier III, ensuring eco-friendly operation.

With a focus on durability and reliability, the YC4D series engine features a robust construction and high-quality components. The engine block is made of rugged cast iron, providing excellent strength and resistance to wear and tear. The crankshaft and connecting rods are forged for enhanced durability, while the cylinder head is designed for efficient heat dissipation and improved cooling.

The YC4D series marine diesel engine incorporates an efficient cooling system to maintain optimum operating temperatures even under demanding conditions.


The engine is equipped with a water-cooled turbocharger, ensuring efficient air supply to the combustion chamber for improved performance. Additionally, the engine is designed with a closed-loop cooling system that utilizes a heat exchanger to regulate the engine temperature, contributing to its overall reliability.

To ensure ease of operation and maintenance, the YC4D series engine incorporates user-friendly features. It is equipped with an advanced electronic control system that provides real-time monitoring of engine parameters, fault diagnosis, and protection functions. This system enables efficient troubleshooting and reduces downtime in case of any issues.
MARINE diesel engine | Tonkee® YUCHAI YC4D SERIES
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