WinGD adds four new X72DF engine options

WinGD is offering four new versions of its X72DF dual-fuel engine platform. (credit: WinGD) WinGD is offering four new versions of its X72DF dual-fuel engine platform. (credit: WinGD)
Industry Database

Winterthur-based engine designer and technology developer WinGD is adding four new versions to its X72DF dual-fuel engine platform.

The versions include an option to optimise lower power output in five and six-cylinder configurations, alongside baseline design improvements to the platform.

The X72DF is the best-selling engine in WinGD’s portfolio. The engine accounted for every low-speed engine ordered for a newbuild LNG carrier in 2020, WinGD Global Sales Director Volkmar Galke noted.

The X72DF is also applicable on Suezmax tankers, Panamax and sub-Panamax container vessels and Capesize bulk carriers.

Volkmar Galke added: "These options reflect the varied demands on shipowners to design vessels more efficiently, reduce installed power and cut emissions dramatically. Whatever route shipowners choose to meet these demands, there is now an X72DF that will work for them.”

These new versions are also available with enhanced methane slip reducing X-DF2.0 technology.

New versions

The base version, X72DF-1.1, incorporates the company’s new engine control architecture, WinGD Integrated Control Electronics (WiCE). Several design improvements focused on enhancing reliability, while simplifying production and installation were made along with the addition of a modular scavenging concept to improve control over combustion and emissions.

For five and six-cylinder engines, further optimisation is available to improve efficiency at lower power outputs. The X72DF-1.2 features a selected power/speed range with a lower specific fuel consumption.

This configuration has been designed specifically for ships like the LNG carriers. It will be attractive to owners and shipyards seeking to limit installed power in line with the IMO’s EEDI requirements for newbuilds and existing vessels.

The option of reduced power rating and limited cylinder configuration enables a more compact design, with a shorter thrust section, an optimised gear drive and a smaller fuel supply unit contributing to reduced engine length. This equates to greater flexibility in the engine room and versatility potential for the ship design.

The new versions are both available as X-DF2.0 upgrades featuring iCER (intelligent control by exhaust recycling) technology. Released in June last year, iCER reduces methane emissions by up to 50% compared with X-DF1.0 engines. The X72DF-2.1 and 2.2 have been specifically tailored for all LNG fueled vessels.

With improved overall GHG emissions, reduced methane slip and lower gas consumption, the X72DF2.0s offer a highly competitive solution in terms of opex and overall emissions for LNG carriers, Capesize bulkers, Suezmax tankers and 3,000-8,000 TEU container ships.

WinGD confirmed that all four versions are available for order now. The first delivery is scheduled for April 2022, with delivery of the first iCER-equipped version targeted in the third quarter of that year.

X72-DF engine particulars

 

X72DF-1.1

X72DF-1.2

X72DF-2.1

X72DF-2.2

No. of cylinders

5-8

5-6

5-7

5-6

Cylinder bore (mm)

720

720

720

720

Piston stroke (mm)

3,086

3,086

3,086

3,086

Speed (rpm)

69-89

69-79

69-89

69-79

MCR (kW)

25,800

15,600

22,575

15,600

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