The Wartsila 14 is a compact, high-speed diesel engine series introduced by Wartsila in collaboration with Liebherr for auxiliary and propulsion applications. It is offered in two configurations: W14V12 and W14V16, with a cylinder bore of 135 mm and stroke of 157 mm. The engine delivers power outputs between 755 and 1,455 kW (1,012–1,951 hp) at 1,500 or 1,800 rpm, and is primarily used for auxiliary gensets, diesel-electric propulsion, and hybrid marine systems on vessels such as ferries, offshore support vessels, yachts, and small cruise or patrol ships. It is designed to be compact, fuel-efficient, and compliant with modern marine emissions standards.

ENGINE SPECIFICATIONS

POWER   MAXIMUM TORQUE   Certification  

1455 KW   9270 Nm @ 1800 RPM   Tier 1-3                                  

NEW GENUINE / REMAN

The Wartsila 20 is a compact, four-stroke, medium-speed diesel engine designed for marine propulsion and auxiliary power applications. Introduced in the early 1990s, the engine is known for its robustness, fuel efficiency, and reliability in challenging marine environments. It is available in 4L, 6L, 8L, and 9L in-line cylinder configurations, with power output ranging from 720 to 1,980 kW at 1,000 rpm. Commonly used in ferries, offshore support vessels, and small cargo ships, the Wartsila 20 is also widely adopted for marine generator sets. With SCR systems, it meets IMO Tier III emission standards.

ENGINE SPECIFICATIONS

POWER   MAXIMUM TORQUE   Certification  

1980 KW   18,900 Nm @ 1000 RPM   IMO Tier III                                  

NEW GENUINE / REMAN

The Wartsila 20DF is a compact, four-stroke, medium-speed dual-fuel engine designed for marine propulsion and auxiliary power generation. It can operate on LNG (natural gas), marine diesel oil (MDO), or heavy fuel oil (HFO), offering seamless fuel switching under load. Available in 6L, 8L, and 9L in-line configurations, the engine delivers power between 1,056 and 1,665 kW at 1,000 rpm. With proven fuel flexibility and emissions control, the Wartsila 20DF meets IMO Tier III requirements in gas mode without SCR and is widely used in ferries, offshore supply vessels, tugboats, and coastal cargo ships.

ENGINE SPECIFICATIONS

POWER   MAXIMUM TORQUE   Certification  

1,665KW   15,900Nm@1000 RPM   IMO Tier III                                  

NEW GENUINE / REMAN

The Wartsila 31DF is a state-of-the-art, four-stroke, medium-speed dual-fuel engine engineered for superior fuel efficiency, operational flexibility, and low emissions. Recognized by Guinness World Records as the world’s most efficient 4-stroke engine in its class, it operates on natural gas (LNG), marine diesel oil (MDO), and heavy fuel oil (HFO). Available in 8V, 10V, 12V, and 16V configurations, it produces power ranging from 4,600 to 11,000 kW at 720 or 750 rpm. The Wartsila 31DF complies with IMO Tier III emission standards in gas mode without SCR, making it ideal for future-proof, sustainable marine operations across ferries, cruise ships, and offshore vessels.

ENGINE SPECIFICATIONS

POWER   MAXIMUM TORQUE   Certification  

11,000KW   146,000Nm@750 RPM  IMO Tier III (with gas)                                 

NEW GENUINE / REMAN

The Wartsila 46DF is a medium-speed, dual-fuel engine designed for marine propulsion and power generation, offering fuel flexibility by operating on LNG, light fuel oil (LFO), or heavy fuel oil (HFO). Available in 6 to 16-cylinder configurations, the engine delivers power outputs ranging from 5,850 to 25,200 kW at 500 or 514 rpm. With its advanced fuel injection and combustion control, it meets IMO Tier III emission standards when operating on gas with SCR or water injection, making it a preferred solution for large cruise ships, tankers, LNG carriers, and offshore vessels seeking operational reliability and emissions compliance.

ENGINE SPECIFICATIONS

POWER   MAXIMUM TORQUE   Certification  

25,200KW   481000Nm@500 RPM   IMO Tier III (with gas/SCR)                                 

NEW GENUINE / REMAN

The Wartsila 25 is a next-generation, four-stroke, medium-speed marine engine designed for high-efficiency, low-emission operations. Introduced in 2023 as part of Wartsila’s decarbonization roadmap, the engine is optimized for use with liquid fuels (MGO) and methanol as a future-ready option. Offered in 6L, 8L, and 9L configurations, it delivers power between 2,400 and 3,400 kW at 1,000–1,200 rpm. It’s ideal for ferries, offshore vessels, small cruise ships, and hybrid marine systems. Built with a digital-native design, the Wartsila 25 meets IMO Tier III emissions standards using SCR and is compliant with future carbon regulations, making it a highly future-proof solution.

ENGINE SPECIFICATIONS

POWER   MAXIMUM TORQUE   Certification  

3,400 KW   27100Nm@500 RPM   IMO Tier III                                  

NEW GENUINE / REMAN

The Wartsila 26 is a medium-speed, four-stroke marine engine designed to deliver reliable performance with high power density and low emissions. Introduced in the mid-1990s and continuously updated, it is available in 6-, 8-, and 9-cylinder in-line and 12- and 16-cylinder V configurations, producing power between 1,560 and 5,060 kW at 1,000 rpm. It runs on MDO, MGO, or HFO and is suitable for both main propulsion and auxiliary generation on a variety of vessel types. With Selective Catalytic Reduction (SCR), the Wartsila 26 meets IMO Tier III emissions requirements, making it a preferred engine for modern low-emission operations.

ENGINE SPECIFICATIONS

POWER   MAXIMUM TORQUE   Certification  

3,400 KW   27100 Nm @ 500 RPM   IMO Tier III                                 

NEW GENUINE / REMAN

The Wartsila 31 is a high-efficiency, medium-speed, four-stroke engine introduced in 2015, recognized by Guinness World Records as the world's most efficient 4-stroke diesel engine in its class. Designed for main propulsion and auxiliary applications, it is available in diesel (31), dual-fuel (31DF), and pure gas (31SG) variants. The diesel version delivers between 4,200 and 12,100 kW at 720/750 rpm, making it ideal for cruise ships, ferries, offshore vessels, and patrol vessels. It supports operation on HFO, MDO, MGO, and gas (for DF), and meets IMO Tier III emissions with SCR or by operating in gas mode.

ENGINE SPECIFICATIONS

POWER   MAXIMUM TORQUE   Certification  

12,100KW   160,000Nm @ 750 RPM   IMO Tier III (with gas/SCR)                                 

NEW GENUINE / REMAN

The Wartsila 32 is a highly reliable, medium-speed, four-stroke marine engine designed for both propulsion and auxiliary applications. Introduced in the 1990s and continuously updated, the engine is available in in-line (6L, 8L, 9L) and V-type (12V, 16V, 18V) configurations, offering power outputs from 3,000 to 9,800 kW at 720 or 750 rpm. It is compatible with MDO, MGO, and optionally HFO, and is also offered in dual-fuel versions (Wartsila 32DF). When equipped with an SCR system or in gas mode (DF version), it meets IMO Tier III emission standards. It is widely used in ferries, offshore vessels, and coastal cargo ships.

ENGINE SPECIFICATIONS

POWER   MAXIMUM TORQUE   Certification  

9,800KW   130,000Nm @ 750 RPM   IMO Tier III (with gas/SCR)                                 

NEW GENUINE / REMAN

The Wartsila 32DF is a four-stroke, medium-speed dual-fuel marine engine designed to offer high efficiency, fuel flexibility, and environmental compliance. It can run on LNG (natural gas), marine diesel oil (MDO), and heavy fuel oil (HFO), with seamless switching between fuels under load. The engine is available in in-line (6L, 8L, 9L) and V-type (12V, 16V, 18V) configurations, delivering a power range of 3,000 to 9,800 kW at 720 or 750 rpm. The Wartsila 32DF complies with IMO Tier II in liquid fuel mode and IMO Tier III when operating on gas, without the need for SCR. It is commonly used in ferries, offshore vessels, gas carriers, and hybrid marine power systems.

ENGINE SPECIFICATIONS

POWER   MAXIMUM TORQUE   Certification  

9,800KW   130,000Nm @ 750 RPM   IMO Tier III (with gas)                                 

NEW GENUINE / REMAN

The Wartsila 32DF is a four-stroke, medium-speed dual-fuel marine engine designed to offer high efficiency, fuel flexibility, and environmental compliance. It can run on LNG (natural gas), marine diesel oil (MDO), and heavy fuel oil (HFO), with seamless switching between fuels under load. The engine is available in in-line (6L, 8L, 9L) and V-type (12V, 16V, 18V) configurations, delivering a power range of 3,000 to 9,800 kW at 720 or 750 rpm. The Wartsila 32DF complies with IMO Tier II in liquid fuel mode and IMO Tier III when operating on gas, without the need for SCR. It is commonly used in ferries, offshore vessels, gas carriers, and hybrid marine power systems.

ENGINE SPECIFICATIONS

POWER   MAXIMUM TORQUE   Certification  

9,800KW   130,000Nm @ 750 RPM   IMO Tier III (with gas)                                 

NEW GENUINE / REMAN

The Wartsila 34DF is a high-efficiency, four-stroke, medium-speed dual-fuel engine designed for marine propulsion and auxiliary power applications. It can operate on natural gas (LNG), marine diesel oil (MDO), or heavy fuel oil (HFO), offering excellent fuel flexibility and seamless switching between fuels under full load. Available in in-line (6L, 8L, 9L) and V-type (12V, 16V, 20V) configurations, the engine produces between 2,880 and 10,000 kW at 720 or 750 rpm. The Wartsila 34DF meets IMO Tier II when running on diesel and IMO Tier III when running on gas—without the need for SCR. It is widely used in ferries, Ro Pax vessels, offshore support ships, and LNG carriers.

ENGINE SPECIFICATIONS

POWER   MAXIMUM TORQUE   Certification  

10,000KW   132,000Nm @ 750 RPM   IMO Tier III (with gas)                                 

NEW GENUINE / REMAN

The Wartsila 34DF is a high-efficiency, four-stroke, medium-speed dual-fuel engine designed for marine propulsion and auxiliary power applications. It can operate on natural gas (LNG), marine diesel oil (MDO), or heavy fuel oil (HFO), offering excellent fuel flexibility and seamless switching between fuels under full load. Available in in-line (6L, 8L, 9L) and V-type (12V, 16V, 20V) configurations, the engine produces between 2,880 and 10,000 kW at 720 or 750 rpm. The Wartsila 34DF meets IMO Tier II when running on diesel and IMO Tier III when running on gas—without the need for SCR. It is widely used in ferries, Ro Pax vessels, offshore support ships, and LNG carriers.

ENGINE SPECIFICATIONS

POWER   MAXIMUM TORQUE   Certification  

10,000KW   132,000Nm @ 750 RPM   IMO Tier III (with gas)                                 

NEW GENUINE / REMAN

The Wartsila 38 is a four-stroke, medium-speed marine diesel engine designed for main propulsion and auxiliary power in a broad range of vessels. Introduced in the early 2010s, the engine features a compact design with high power density and excellent fuel efficiency. It is available in 6-, 7-, 8-, and 9-cylinder in-line configurations, delivering power outputs from 1,800 kW up to 5,400 kW at 750 rpm. The Wärtsilä 38 runs primarily on marine diesel oil (MDO) or marine gas oil (MGO), with the option to incorporate SCR technology to meet IMO Tier III emission standards. It is widely used in cruise ships, Ro Pax ferries, offshore supply vessels, and large fishing vessels.

ENGINE SPECIFICATIONS

POWER   MAXIMUM TORQUE   Certification  

5,400KW   36,000Nm @ 750 RPM  IMO Tier III (with gas/SCR)                                 

NEW GENUINE / REMAN

The Wartsila 46F is a four-stroke, medium-speed marine diesel engine designed for reliable propulsion and auxiliary power generation in large vessels. It is an evolution of the Wartsila 46 series, optimized for improved fuel efficiency, reduced emissions, and enhanced operational flexibility. The engine is available in 6-, 7-, 8-, 9-, and 12-cylinder configurations, with power output ranging from 5,600 kW to 11,400 kW at 514 or 500 rpm. Designed for use with marine diesel oil (MDO) and heavy fuel oil (HFO), the Wartsila 46F meets IMO Tier II standards as standard, and can achieve IMO Tier III compliance with the addition of SCR technology. This engine is typically installed in large container ships, cruise vessels, bulk carriers, and tankers.

ENGINE SPECIFICATIONS

POWER   MAXIMUM TORQUE   Certification  

11,400KW   190,000Nm @ 500 RPM   IMO Tier III (with gas/SCR)                                 

NEW GENUINE / REMAN