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6CTA8.3-M220
Cummins
Reliable Marine Power for Demanding Voyages
The Cummins 6CTA8.3-M220 is a robust and proven marine diesel engine engineered to deliver dependable propulsion for a wide range of commercial and recreational vessels. As part of the legendary Cummins C-Series platform, this 8.3-liter, inline-six cylinder engine is built for durability and efficiency in the challenging marine environment. Its mechanical simplicity and sturdy construction ensure easy maintenance and long service life, making it a trusted choice for operators who prioritize uptime and low total cost of ownership.
| Feature | Specification |
|---|---|
| Engine Model | Cummins 6CTA8.3-M220 |
| Configuration | In-line 6 cylinders, 4-Stroke |
| Displacement | 8.3 Liters |
| Rated Power | 164 kW (220 HP) |
| Aspiration | Turbocharged and Aftercooled |
| Cooling System | Freshwater (Jacket Water) Cooled |
| Marine Gear Ratio | Various options available (e.g., 2.0:1, 2.5:1, 3.0:1) |
| Weight (Approx., dry) | ~900 kg (varies with configuration) |
This engine is specifically designed for marine propulsion and is an ideal power source for:
Commercial Fishing Vessels: Provides reliable power for trawlers, longliners, and other workboats.
Tugs and Workboats: Delivers the torque and durability needed for push boats, utility vessels, and harbor craft.
Passenger Ferries & Water Taxis: Offers a balance of power and smooth operation for small to medium-sized passenger transport.
Recreational Craft: A robust option for larger yachts and custom pleasure boats.
Proven C-Series Durability: Built on the rugged Cummins C-Series platform, the engine features a heavy-duty cast iron block, forged steel crankshaft, and replaceable wet cylinder liners. This design is renowned for its ability to withstand continuous high-load operation in harsh marine conditions.
Efficient Turbocharged Performance: The turbocharged and aftercooled (TA) aspiration system forces more air into the cylinders, significantly increasing power density and fuel efficiency from the 8.3L displacement, resulting in strong performance and better range.
Marine-Optimized Design: Configured as a true marine propulsion engine, it includes a freshwater cooling system (heat exchanger) to prevent corrosion from saltwater, marine-grade components for enhanced resistance to the maritime environment, and is designed for direct coupling to a marine gear (transmission).
Mechanical Simplicity & Serviceability: Utilizing a mechanically controlled fuel system, this engine is valued for its straightforward maintenance, ease of troubleshooting, and reliable operation without complex electronic dependencies, which is a key advantage in remote marine applications.