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Everllence Retrofit / Upgrade / Repower Enhanced

Everllence Two-Stroke Diesel to Dual-Fuel Conversion

Conversion of existing two-stroke diesel main engines to dual-fuel operation on LNG, ethane, LPG or methanol, including engine modifications, fuel gas supply system and bunker tank integration.

Service page on Everllence's site

Description

Everllence dual-fuel conversion converts existing two-stroke diesel engines into dual-fuel engines that can switch between diesel and gas. Using LNG, ethane, LPG or methanol reduces SOx, NOx, CO2 and particulate emissions.

Project scope

  • Engine conversion: rebuilding engine parts to install a gas safety system and fuel injection system, including new cylinder covers and fuel oil pipes, gas injection valves, gas control blocks and gas chain pipes; further changes determined by a detailed engine study
  • Fuel Gas Supply System (FGSS) for LNG: together with a Gas Valve Train (GVT), pressurizes and vaporizes LNG to 300 bar and 45°C for injection; includes the Everllence Pump and Vaporizer Unit (PVU) linked to the main engine control system
  • Bunker tanks: required if the vessel does not already carry gas as cargo

Related equipment

ME-GI/GIE pump vaporiser unit for supply of LNG or ethane to Everllence B&W ME-GI/GIE engines.

Documents

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Equipment

Everllence 175D High-Speed Engine

V12, V16 and V20 high-speed marine diesel engine with 175 mm bore, 1,440–4,400 kW at 1,500–2,000 rpm, methanol-ready, for propulsion and gensets on naval, offshore, ferry, tug, yacht and fishing vessels.

Equipment

Everllence B&W ME-LGIM Methanol Dual-Fuel Engine

Low-speed two-stroke dual-fuel engine running on methanol or conventional marine fuels, in service since 2016 with over 600,000 hours on methanol; 6,950–82,440 kW, 56–125 rpm, for newbuilds and retrofits.

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Alpha Controllable Pitch Propellers

Alpha controllable pitch propellers for ships with varying operating modes, covering shaft powers up to 40 MW; Ni-Al-bronze or stainless steel, ice-strengthened up to the highest polar ice classes, with shafting and stern tube systems.

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Alpha Fixed Pitch Propellers

Alpha fixed pitch propellers for ocean-going vessels on long-haul service near the design point, as well as smaller yachts and workboats; low hub-to-propeller diameter ratio and few wearing parts.

System / Package

Alpha Naval Propellers

Alpha naval propeller and aft ship solutions in the 2 to 50 MW shaft power range: CPPs, monoblock and replaceable-blade FPPs and bolted adjustable designs, with low underwater noise, shock resistance and ice-class options.

Component

Common Rail 2.2 Injection System

Second-generation common rail liquid fuel injection platform for Everllence medium-speed four-stroke engines, replacing multiple legacy designs and forming the basis for future methanol and ammonia injection.

Equipment

Everllence 175DF-M Dual-Fuel Methanol Engine

High-speed dual-fuel engine running on methanol (with pilot ignition) or diesel, based on the 175D platform; IMO Tier III without SCR in methanol mode; retrofit from 175D with over 90% shared components.

Equipment

Everllence 32/44CR Medium-Speed Engine

Updated medium-speed four-stroke marine diesel engine with Common Rail 2.2 injection, single-stage turbocharging and in-house engine control; methanol-ready and designed to support IMO 2028 compliance.

Equipment

Everllence 35/44DF CD Dual-Fuel GenSet

Medium-speed dual-fuel GenSet with 560 kW per cylinder output and up to 85% lower methane slip than current industry standards, based on the 35/44DF CR and 32/44CR, prepared for methanol upgrade.

Equipment

Everllence 49/60DF Dual-Fuel Engine

Medium-speed dual-fuel marine engine, in-line 6–10 or V12/V14 cylinders, 7,800–18,200 kW, with Common Rail 2.2 injection, two-stage turbocharging and SaCoS 5000 control, for mechanical or electric propulsion.

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