MAN Engines Equipment
MAN D2862 Hydrogen Dual Fuel Marine Engine
MAN D2862 V12 hydrogen dual-fuel marine engine for workboats: 749 kW (1,019 hp) at 2,100 rpm, IMO Tier III, cutting CO2 tailpipe emissions by about 50% on average and up to 80%.
Description
The MAN D2862 Hydrogen Dual Fuel engine is a V12 marine diesel engine adapted to burn hydrogen for workboat propulsion. Hydrogen is introduced into the charge air via an adapter; combustion is started on the diesel principle with approx. 5% diesel pilot injection, using common-rail injection parameters optimised for dual-fuel operation. The base diesel engine does not need to be modified for hydrogen. Developed jointly with CMB / CMB.TECH and Windcat Workboats.
Key features
- Average CO2 tailpipe reduction of approx. 50%, up to 80% at peak, compared with diesel
- Same power and reliability as the diesel version
- Operates as pure diesel or dual-fuel; uninterrupted operation when the hydrogen tank is empty
- System comprises hydrogen supply, hydrogen metering and surveillance (in a gas-tight enclosure) and hydrogen distribution into the charge air
Technical data
- Rated power: 749 kW (1,019 hp) at 2,100 rpm
- Bore x stroke: 128 mm x 157 mm
- Displacement: 24.24 l
- Rated torque: 3,406 Nm; maximum torque 3,750 Nm at 1,300–1,900 rpm
- Compression ratio: 19:1
- Mean effective pressure: 17.7 bar
- Emission status: IMO Tier III
- Classification: on request
Reference
Windcat Workboats' Hydrocat 48 crew transfer vessel, based on the Windcat MK3.5 hull, is propelled by two MAN D2862 dual-fuel engines and was the first hydrogen-powered CTV to cut more than 50% of its conventional fuel use.
Specifications
| Rated power kW (hp) | 749 (1 019) |
|---|---|
| Speed rpm | 2 100 |
| Bore mm | 128 |
| Stroke mm | 157 |
| Displacement l | 24.24 |
| Rated torque Nm | 3 406 |
| Maximum torque Nm at speed rpm | 3 750 1 300 –1 900 |
| Compression ratio | 19:1 |
| Mean effective pressure bar | 17.7 |
| Classification | on request |
| Emission status | IMO Tier III |
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