CUMMINS MERCRUISER QSB5.9-355 350HP
Model: QSB5.9-355Brand: CUMMINS
Product Description: The Cummins MerCruiser QSB5.9-355 is a powerhouse marine engine engineered for reliability, performance, and efficiency. Designed for a wide array of marine applications, this 350HP engine is well-regarded for its advanced technology, robust build, and excellent fuel efficiency, making it an industry favorite for boat owners who demand the best. Whether you're cruising the open seas, fishing offshore, or towing water sports equipment, the QSB5.9-355 stands ready to deliver outstanding performance every time.
Price: Starting at $30,000 (Price may vary depending on dealer location and additional options)
Key Features:
- High Performance:
- Delivers 350HP, offering excellent acceleration and top-end power.
- Fuel Efficiency:
- Advanced fuel system ensures optimal fuel economy.
- Durability:
- Built from high-strength materials designed to withstand harsh marine environments.
- Smooth Operation:
- Minimizes noise and vibration for a comfortable boating experience.
- Easy Maintenance:
- Designed with easy access to service points, making maintenance straightforward and hassle-free.
Technical Specifications:
- Engine Model: QSB5.9-355
- Horsepower: 350HP
- Displacement: 5.9 liters
- Configuration: Inline-6
- Bore & Stroke: 102 mm x 120 mm (4.02" x 4.72")
- Aspiration: Turbocharged and Aftercooled
- Fuel System: Common Rail Direct Injection
- Cooling System: Heat Exchanger
- Governor: Electronic
- Max RPM: 3000 RPM
- Dry Weight (engine only): 1158 kg (2555 lbs)
- Length: 124 cm (48.9 in)
- Width: 82.5 cm (32.5 in)
- Height: 93.4 cm (36.8 in)
Marine Applications:
- Recreational Boats:
- Ideal for sport boats, cruisers, and personal yachts, providing strong and consistent power.
- Commercial Vessels:
- Suitable for small ferries, pilot boats, and other commercial craft requiring dependable and efficient operation.
- Fishing Boats:
- Perfect for offshore and inland fishing boats where reliability and endurance are critical.
- Tow Boats:
- Excellent choice for water sports and tow boats, ensuring smooth and powerful towing capability.
Product Specifications
Competitor Products
Hydrogen-powered Ferry Sea Change Set to Enter Service
The first-of-its-kind hydrogen-fueled ferry Sea Change will soon begin public service, providing zero-emissions transport for passengers in San Francisco Bay.The groundbreaking commercial passenger vessel…
US' First Hydrogen-powered Ferry Sea Change Cleared to Enter Service
The United States' first hydrogen-powered ferry, Sea Change, has cleared a key regulatory hurdle, marking a major step on the groundbreaking vessel's long and winding journey toward commercial operations in the San Francisco Bay Area.SWITCH Maritime…
Derecktor Building Hybrid Ferries for Chatham Area Transit
Derecktor Shipyards New York is building a pair of hybrid ferries for Savannah, Ga. based Chatham Area Transit (CAT). Delivery is expected in 2024.The two 65-foot-long, 50-passenger ferries will be equipped…
SWITCH Maritime Raises $10 Million to Grow Its Green Ferry Fleet
SWITCH Maritime announced plans to grow its U.S. fleet of zero-emission ferries following the completion of a $10 million in a Series A round led by Nexus Development Capital.Founded in 2018, SWITCH’s…
Cummins Working with Ocean Infinity on Methanol Retrofit Project
Cummins is working with partners in the U.K. to develop and deploy a methanol conversion kit for an engine aboard an Ocean Infinity offshore support vessel (OSV) as the maritime industry works toward transitioning…
Maritime Propulsion: The NSMV Power Play
The quest to build a series of five National Security Multi-Mission Vessels (NSMVs), which will serve as training ships for five U.S. maritime academies, has drawn a broad cadre of suppliers. The powerplant was a main focus…
Gosport Ferry Undergoes Genset Overhaul
Royston’s specialist marine engineering team has completed essential repair and a service work on a power plant system used onboard a south coast of England ferry.The 32-meter-long Spirit of Portsmouth…
Powering the North American Maritime Fuel Transition
Offshore service vessels, along with workboats serving harbors and inland rivers, have embarked on an industry-wide voyage toward reduced emissions of greenhouse gasses. Professor Craig Philip, a faculty…
Cummins and Danfoss Partner on Hybrid Propulsion Solutions
Cummins announced it has signed a memorandum of understanding (MOU) with Danfoss Power Solutions’ Editron division to partner in bringing a unique standard hybrid marine solution to the global maritime…
Insights: Robert Schluter, e1 Marine
Robert Schluter served as an officer as part of the marine engineering team on board the U.S. Navy guided missile destroyer USS Mahan DDG-42 out of Charleston before transitioning to the business world and “general, corporate type work”.
Tech File: Repower After Layup at the Thai Marine Department
A well-built, modern vessel can be expected to outlive her original engines. The challenge for those representing the owners, is to choose new engines that match or exceed the capabilities of the original power.
Hydrogen as Fuel: Possibilities, But…
Hydrogen is everywhere. You know that from high school chemistry. And you also know it from Marine News’ almost daily updates about H powered vessel projects around the world.As a fuel that could potentially replace fossil fuels…
Cummins X15 Marine Engine Earns New Class Approval
Cummins Inc. announced the new classification of its X15 marine engine that now meet safety standards for ABS, BV, RINA and DNV.“Classification society certifications are integral to the safety of the commercial marine industry…
Cummins B4.5 Marine Genset and Engine Make European Debut
Cummins Inc. announced the European launch of its new B4.5 marine generator set and propulsion engine, expanding the hybrid compatible packages beyond the current QSB6.7 and QSL9. The pairing was debut in late 2021 at the Pacific Marine Expo…
Cummins: New Keel-cooled QSC8.3 600 Horsepower Rating for Marine Vessels
Cummins has introduced a new rating for its QSC8.3 propulsion engine, expanding the keel-cooled solution to 600 horsepower with an engine speed of 2800 rpm."This addition to the QSC8.3 power range means…
Fishing Boat Design: New Crab Boat from Gaspé Yard
With the regulated catch quotas of contemporary fisheries, design versatility for a fishing boat can be important. A new 19.8 x 7.3-m (65 x 24-ft.) combination crab trap and groundfish trawler designed…
US’ First 100% Hydrogen Fuel Cell Powered Commercial Vessel Launched
The United States' first zero-emissions, hydrogen fuel cell-powered, electric-drive ferry has been launched and is gearing up for operational trials off the U.S. West Coast.Constructed by Bellingham, Wash. shipbuilder All American Marine, Inc.
New Tug is a Mechanical Hybrid
The concept of “hybrid tug” is getting a whole new definition with an innovative new tug under construction at Turkey’s Uzmar Shipyard for the Danish Port of Aarhus. From the outside it looks very similar…
Westfleet Seafoods to Add New Longliner
New Zealand’s Westfleet Seafoods, based in Greymouth, has earned an international reputation for quality and sustainability. While their fleet includes some mid-water trawlers, their preferred method of catching is longline.
Cummins Introduces New EPA Tier 4 Engine
Cummins Inc. launched the QSK60 EPA Tier 4 / IMO III at Cummins Marine’s virtual showcase on Wednesday, April 14. The new EPA Tier 4 compliant selective catalytic reduction (SCR) aftertreatment system…
Cummins Launches Remote Monitoring Solution PrevenTech Marine
Power solutions provider Cummins on Tuesday announced a remote monitoring solution for marine vessels called PrevenTech Marine.PrevenTech monitors Cummins-powered assets remotely, using connectivity, big data…
Seaspan Cavalier Repower: Long Life, Big Hours
“We got 59,115 hours on those engines, without ever removing a head,” says Seaspan International’s Port Engineer Kevin Tweedy, “And they were still running. So, at 5,000 to 5,500 hours per year, we could easily have done 60…
US Coast Guard Surf Boats: Service Life Extension
Since the days of wooden hulls and human power, lifeboat crews have put to sea through dangerous surf to save the lives of their fellow seamen. The first engine powered boats allowed decks and cabins that afforded a greater level of safety.
Derecktor Wins Deal to Build Hybrid RVl for University of Vermont
The University of Vermont (UVM) has ordered what is touted as the first hybrid research vessel, a project which brings together Derecktor Shipyards, BAE Systems and Chartwell Marine.The 19-meter catamaran will be designed for low-emission…