Three MAN engine pairs of the type D2676 LE428 with a power output of 441 kW each will be installed in pilot boats of the type ORC-171 with a length of 17 metres. Six further MAN engine pairs of type D2676 LE477 with an output of 368 kW each will be installed in the smaller boat class ORC-136 with a length of 13 m. Both engine types comply with the emission stage. Both engine types comply with the IMO Tier III emission level.
The nine boats are to be built over a five-year period and will be deployed throughout the UK. The entry into service of the first unit in the Humber region for the port operator Associated British Ports (ABP) is scheduled for later this year.
MAN Engines will offer a power range from 290 kW to 882 kW in EU Stage V emissions for workboats from the end of 2021. For EPA Tier 4 Commercial, outputs of 662 kW to 1066 kW are already available, and even 290 kW to 1213 kW in the IMO Tier III emission stage.