Wärtsilä Retrofit / Upgrade / Repower
Wärtsilä 4-Stroke Engine Performance Upgrades
Tailored performance upgrade packages for Wärtsilä 32, Vasa 32, 38, 46, 46F, 50DF and ZA40S engines, combining high-efficiency turbochargers with engine tuning to cut fuel use and emissions.
Description
Wärtsilä 4-stroke engine performance upgrades optimise the combustion process and tune the engine to its most frequently used operating range, improving efficiency and reliability and reducing fuel consumption, CO2 emissions and EU ETS/FuelEU exposure. Packages combine modern higher-efficiency turbochargers with engine tuning and are tailored to each engine type.
Engines covered
- Wärtsilä 32 and Wärtsilä Vasa 32
- Wärtsilä 38
- Wärtsilä 46 and 46F
- Wärtsilä 50DF
- Wärtsilä ZA40S
Optional additions
- Variable Inlet Closing (VIC)
- Variable Injection Timing (VIT)
- Camshaft with reduced overlap
- Air Waste Gate (AWG)
Benefits
- Lower fuel and maintenance costs; payback compared with a turbocharger overhaul
- Reduced CO2 emissions and compliance with IMO Tier II
- Less smoke, lower engine thermal load, better load acceptance
- Extended turbocharger maintenance interval
Example: a Wärtsilä Vasa 32 upgrade combined with Wärtsilä EnergoProFin helped the bulk carrier Splittnes cut fuel use and emissions by 10% and meet IMO Tier II NOx limits.
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