📦 Product Description

The Cummins 6BTA5.9-GM120 is a turbocharged and aftercooled marine auxiliary diesel engine, designed for continuous-duty applications in demanding marine environments. Built by Dongfeng Cummins Engine Co., Ltd., this 5.9-liter, 6-cylinder engine provides up to 120kW (161 HP) at 1800 RPM, making it an optimal choice for marine generator sets, hydraulic power units, and auxiliary onboard systems.

Featuring Cummins’ advanced engineering and BYC PB/GAC 24V fuel system, the 6BTA5.9-GM120 marine power unit ensures stable performance, superior fuel economy, and ease of maintenance, all while delivering trusted durability. It is ideal for commercial vessels requiring mid-range power with excellent service life and low total operating costs.

📊 Specifications

✅ Product Advantages

• Efficient and Reliable: Designed for continuous-duty marine auxiliary applications.
• Mid-Power Range Versatility: Delivers 120kW prime power, suitable for medium-sized vessels.
• Turbocharged and Aftercooled: Improves combustion efficiency and performance under load.
• Low Fuel Consumption: Just 31 L/h at 100% prime load, saving on operational costs.

• Global Service Network: Supported by Cummins’ extensive parts and service network.

🔧 Key Features

• Proven 6-cylinder inline Cummins B-series platform
• Stable performance under varying loads
• Optimized cooling system for marine environments
• Robust BYC PB fuel pump with electric GAC governor
• Compact design with lightweight build (only 453 kg)
• Wide operating temperature range

• Easily serviceable with accessible filters and gauges

🚢 Applications

The 6BTA5.9-GM120 marine power unit is ideal for:

• Marine Generator Sets (main or auxiliary)
• Hydraulic Power Systems for shipboard use
• Emergency and Fire Pumps
• Deck Equipment and Winch Power
• Electrical Backup Systems on Commercial Vessels

• Workboats, ferries, tugs, and service ships

📦 Product Availability

The Cummins 6BTA5.9-GM120 marine auxiliary engine is available through authorized Cummins distributors and system integrators globally. Units can be customized with control panels, heat exchanger or keel cooling, and marine class certifications. Supported by Cummins’ international parts and service network for long-term reliability.