STAGE V EMISSIONS LEVELS

THE NEW 6F21 MOTEURS BAUDOUIN ENGINES

Steven Wang, CEO at Baudouin, comments: “The 6F21 is the first step toward a new series of engines offering the best power in the market and consolidating Baudouin as a trusted solution both for the commercial and pleasure market.” He explains: “For larger applications, we are also preparing to expand the burgeoning F series with an eight-cylinder, 17 L version of the engine, coming later.” The new 6F21 has a bore and stroke of 127 x 165 mm. It features a strengthened engine structure to withstand high torque and higher cylinder pressure of over 200 bar. It also includes a two-stage turbocharger system, two intercoolers and a common rail electronic fuel injection system operating at 2200 bar. These features are packaged in the smallest engine ever released by the company; it measures just 1470 x 1100 x 1705 mm. “We wanted to make an engine that is versatile for both the commercial and pleasure markets,” says Claudio Operti, chief engineer at Baudouin. “This engine needed to be as compact as possible without compromising power, while at the same time keeping true to Baudouin’s DNA of offering robust and truly marine engines.”

High performance technologies from Baudouin

The 6F21 is a 6-cylinder, 12.5-liter engine producing up to 735 kW / 1000 HP, enabling a best-in-class power density in a very compact and light original marine design. This level of performance was achieved not by a single development, but by evolution in multiple technologies. The 6F21 includes a strengthened engine structure to withstand high torque and a higher cylinder pressure well over 200 bar. A two-stage turbocharger system is also fitted on the engine, along with two intercoolers, and a high-end common rail system, operating at 2200 bar. To keep the overall weight down, light materials have been utilized. In the 6F21 every part that can be made of aluminum, is made of aluminum. Cast iron and steel are only used when stress and temperature demand it. Flywheel housing, the oil sump, covers, brackets, supports, and even heat exchanger bodies are all constructed from light alloys. The end result is a high power and lightweight engine, but one that still promises a long life, with the robustness that Baudouin are known for. Every 6F21 engine also has optimized maintenance for low total cost of ownership, and complies with IMO II and EPA III standards, with IMO III and EPA IV following soon.

“The 6F21 is a high-power and light engine, but one that still promises a long life, with the reliability and robustness which Baudouin is known for. Every 6F21 engine also has optimised maintenance for low total cost of ownership, and complies with IMO II and EPA III standards, with IMO III and EPA IV following soon.”

Performance Technology

This level of performance was achieved by the evolution of multiple technologies. The 6F21 includes a strengthened engine structure to withstand high torque and a higher cylinder pressure of well over 200 bar. A two-stage turbocharger system is also fitted on the engine, along with two intercoolers, and a high-end common rail system, operating at 2200 bar.

Easy Maintenance

The 6F21 delivers this genuine marine design with marine components, such as individual cylinder heads that make maintenance easy even in the smallest of engine rooms. The fuel filters are mounted in the front to allow easy and quick maintenance, and there is no need to dismantle any part of the engine in order to reach a component.

Compactness

The 6F21 is one of the most compact marine propulsion engines in the market offering the most power at the same time. To keep the overall weight down, light materials have been utilized. Cast iron and steel are only used when stress and temperature demand it. Flywheel housing, the oil sump, covers, brackets, supports, and even heat exchanger bodies are all constructed from light alloys.

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