Wärtsilä propulsion packages with medium-speed engines Last Modified 09.07.2008

Wärtsilä propulsion packages with medium-speed engines

Wärtsilä Propac

Wärtsilä Propac

Wärtsilä Propac is a pre-engineered complete propulsion package combining medium-speed engines and propulsors. It is an integrated mechanical propulsion system product developed by Wärtsilä, a single source supplier committed to providing lifetime support for its products.

The Wärtsilä Propac offering is based on time-proven technological expertise, an unrivalled range of leading products and close customer support. Customer support extends from initial design to construction and operation.

Scope of Wärtsilä Propac CP Scope of Wärtsilä Propac ST
Four-stroke, medium-speed engines, designed for marine installation Four-stroke, medium-speed engines, designed for marine installation
Modular reduction gearboxes matching the engine and propeller ranges. Built-on propeller hydraulics. Modern range of compact thrusters with controllable or fixed pitch propellers
State-of-the-art controllable pitch propellers with servo cylinder in hub Shafting with cardans and radial bearings
Sterntubes with bearings Bulkhead seals
Nozzles of standard and enhanced designs Nozzles of standard and enhanced designs
Integrated propulsion control systems Integrated propulsion control systems
Shaft seals and bearings with all necessary accessories  
Options Options
Engine free end PTO Engine free end PTO
Gearbox PTO Floating shaft arrangement
Shaft alternator Slipping clutch for fixed pitch thrusters
Monitoring and alarm handling  
Efficiency rudder  
Transverse tunnel thrusters  

Benefits to shipowners and shipyards

  • In-house design, manufacturing and project management
  • Rapid implementation thanks to high degree of pre-engineering
  • Highly reliable seaworthy medium-speed main engine for unrestricted service
  • Low fuel consumption - even with heavy fuel oil
  • Reduction gearbox designs benefiting from in-house knowledge
  • Easy installation - simple mechanical and automation interfaces
  • Tug propulsion with required reliability, responsiveness and bollard pull
  • Monitoring & alarm handling solutions for the package and the entire vessel
  • Comprehensive documentation and user manuals
  • Lifetime support – best worldwide service network

Application Examples:

Related material »