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Latest Cummins news & announcements

Cummins receives approval for methanol-ready engines

Cummins Inc. has received Approval in Principle (AIP) from DNV for its methanol-ready QSK60 IMO II and IMO III engines, available in power ratings from 2000 to 2700 hp (1491-2013 kW). The approval, granted in June 2024, validates Cummins' retrofittable methanol dual-fuel solution for the global marine market, ensuring compliance with the highest standards of safety and performance. Integrated with battery technology Following extensive field testing, Cummins plans to launch the retrofit kits post-2028 to align with market demand and infrastructure readiness. Designed for diesel-electric systems, these kits can be integrated with battery technology to optimise efficiency and sustainability. Dawn Wehr, Cummins Executive Director – Strategy, Product Planning & Digital, said: “Using a retrofittable solution dismisses the need for a major vessel overhaul and creates an immediate positive impact on carbon-emissions reduction." Ship operators towards carbon emissions The approval builds on Cummins' August 2023 announcement permitting the use of renewable diesel Wehr added: "With our continual work on developing solutions for other alcohol fuels, including ethanol, we are committed to providing solutions that work for different operations and fuel infrastructure availabilities to ensure ease of adoption.” The approval builds on Cummins' August 2023 announcement permitting the use of renewable diesel, such as hydrotreated vegetable oil (HVO), across its high-horsepower engine range. By leveraging renewable diesel in dual-fuel solutions, ship operators can make significant progress towards reducing carbon emissions. Goal of zero emissions “Cummins is committed to delivering innovative power solutions to the marine industry,” added Gbile Adewunmi, Vice President of Industrial Markets – Power Systems Business. “Through partnerships with our customers, we can drive solutions that meet application requirements, sustainability targets, as well as bridge the longer-term goal of zero emissions. This announcement is a strong example of the investment and technology advancements Cummins is making to further our Destination Zero strategy."

Cummins expands Onan marine generator range

Cummins has extended its portfolio of Onan marine generator sets with the introduction of the MDC (Marine Diesel Cummins) Turbo and Onan QSB7E ranges. Details of the two generator sets will be on display at the Marine Equipment Trade Show (METS), a premium European showcase for professionals in the leisure marine industry. MDC Turbo and Onan QSB7E The arrival of the MDC Turbo and Onan QSB7E means boatbuilders and owners can deal with a single trusted brand – Cummins – for the entire power requirement of their vessel. Cummins is the parent brand of Onan and Stamford, a major name in alternators for marine applications. The electrical power spread of the Cummins marine Onan range stretches from 4 kWe to 195 kWe. Previously, the highest Cummins Onan rating available was 65 kWe. Cummins generator sets are renowned for their robust build quality and outstanding performance characteristics, notably in the area of low noise, vibration, and harshness (NVH). Smooth and efficient power delivery The versatility of the MDC and Onan QSB7E is enhanced by the ability to synchronise the generator sets The two new ranges, which can run on 100% hydrotreated vegetable oil (HVO 100), build on that proud heritage of reliable, smooth, and efficient power delivery. The versatility of the MDC and Onan QSB7E is enhanced by the ability to synchronise the generator sets, yielding benefits such as improved stability of electrical supply, greater fuel efficiency, and higher levels of comfort all around for passengers and crew. MDC genset Cédric Merveillaud, Cummins Director of Marine Europe, said, “With the one supplier for propulsion and auxiliary power, life becomes a lot simpler and more productive for boat builders and owners. Cummins can handle the entire power demand.” The MDC genset complies with EPA Tier 3 and EU Stage V regulations and is available for both commercial and recreational marine applications as a 50 Hz or 60 Hz model. It can also be specified as either non-aftercooled or aftercooled. This provides two power outputs, giving the genset a rating of 40 to 80 kWe and 80 to 110 kWe respectively. User-friendly diagnostics Using the Cummins Onan Digital Display, the MDC provides user-friendly diagnostics including extensive engine and alternator information, ensuring customer ease on the water. At the top end of the Cummins Onan genset scale now sits the Onan QSB7E, a perfect low-noise power solution for a variety of maritime applications including high-end superyachts, small passenger ferries, fishing boats, and offshore support vessels. Available as unclassed, class-ready, and full-class, the Onan QSB7E has 10 power nodes and can be specified with an open or enclosed unit in both 50 and 60 Hz models. Maximum output is up to 195 kWe. Single-side service access MDC and Onan QSB7E have single-side service access and the water-cooled exhaust can be installed Like the MDC, the Onan QSB7E can be supplied with the additional option of a front-mounted power take-off which can be used to power various auxiliary systems, for example, hydraulic pumps, giving the customer flexibility and redundancy onboard. For ease of maintenance and maximum use of space, the MDC and Onan QSB7E have single-side service access and the water-cooled exhaust can be installed either in a forward or rear-facing configuration. At the base of both generators are multiple outlets for fuel and battery cables. Reliability, performance, and durability “Cummins marine genset products are designed and built to provide reliability, performance, and durability at reduced noise and vibration levels,” said Merveillaud. “That’s why this complete marine generator set package is ideal for recreational and light commercial vessels." “The 99kW commercial genset node is very popular in certain markets, and we expect the B4.5 genset package with a Cummins Stamford alternator will be an obvious choice when selecting power for operators for years to come.” The MDC and Onan QSB7E gensets are backed by Cummins’ extensive warranty (five years / 2,000 hours), and users have access to a worldwide service network of more than 10,000 authorised dealer locations, the largest such network in the world. Cummins B4.5 packs a propulsion punch The light but power-dense B4.5 is compliant with IMO II, EU Stage V, and RCD 2 regulations without the use of after-treatment. It offers a power range of 102-250 hp in propulsion format (76-186 kW) and 76-129 kWm in auxiliary format. Due to its optimised turbos, the B4.5 has best-in-class peak torque, which not only provides greater acceleration but makes it easier to maintain speed, even for vessels with high loads such as dredgers and fishing boats. Cost savings The high-pressure common rail fuel system of the B4.5 delivers class-pioneering fuel consumption The high-pressure common rail fuel system of the B4.5 delivers class-pioneering fuel consumption while its cast water-cooled exhaust manifold makes for lower surface temperatures and improved overall performance. The air intake system includes commercial and recreational reusable washable air cleaners for more cost savings. Remote backup throttle option The electrical system is offered in both 12 and 24 volts with simple electrical OEM interface connections that can be integrated with Cummins’ C Command Systems. A remote backup throttle option is also available for easier integration for vessels that require it. The electronic system includes automated push button start/stop controls easily integrated through the ECM. It also features engine protection and derate reducing the risk of catastrophic failure. B4.5 The B4.5 is available with a base warranty of 24 months or 1,000 hours for high output and light duty applications; 24 months or 3,000 hours for intermittent duty applications; or 24 months or unlimited hours for continuous duty and prime power applications. The B4.5 is offered with either dry or wet exhaust elbows which allows for easier integration with any vessels that need to be repowered. Cummins QSB 6.7 for smooth and responsive performance The compact design and flexible installation options make the Cummins QSB 6.7 ideal The compact design and flexible installation options make the Cummins QSB 6.7 ideal for a wide range of boat applications. Its outstanding performance is courtesy of a perfectly matched turbocharger and a new 24-valve cylinder head that delivers industry-pioneering power density. QSB6.7 compliant The QSB 6.7 is also amazingly quiet, emitting 80 percent less noise at idle, helped by the new Walker air filter and the same smoothly efficient high-pressure common rail fuel system as featured on the B4.5. The QSB6.7 is compliant with IMO II, EU Stage V, and RCD 2. In recreational marine propulsion mode, the power ranges from 230-550 hp (172-410 kW) and from 98-210 kWm in auxiliary mode. It delivers incredible torque of 720-1250 lbft (976-1695 Nm) for maximum enjoyment at the helm. Tube-and-shell heat exchanger Single loop, low-temperature aftercooling eliminates the need for two keel coolers and lowers emissions. The tube-and-shell heat exchanger is designed for superior durability and ease of service with minimal maintenance requirements. Fan drive is available for radiator-cooled configurations. The QSB 6.7’s electrical system is offered in both 12 and 24-volt isolated and non-isolated versions The QSB 6.7 complies with US EPA Tier 3 emissions regulations without the use of aftertreatment. It is designed to meet the International Association of Classification Societies (IACS) and SOLAS requirements. Oil service intervals can be increased to 500 hours if using ultra-low sulphur diesel (ULSD). As with the B4.5, the QSB 6.7’s electrical system is offered in both 12 and 24-volt isolated and non-isolated versions. 6.7’s 24v Quantum System electronics package The QSB 6.7’s 24v Quantum System electronics package features a proven ECM to monitor operating parameters such as fuel consumption, duty cycle, engine load, and speed while providing diagnostics, prognostics, and complete engine protection. A simplified electrical customer interface box for all vessel connections removes any complexity from installation. The QSB 6.7 is available with a base warranty of 24 months or 1,000 hours for high output and light duty applications; 24 months or 3,000 hours for intermittent duty applications; or 24 months or unlimited hours for continuous duty and prime power applications.

Cummins showcases marine technology solutions at International Workboat Show 2024

Cummins Inc., a global pioneer in power solutions, will exhibit its latest marine technologies at the International Workboat Show 2024, in New Orleans, from November 12-14, 2024.  QSK38 EPA Tier 4 solution Visitors to Booth 3001 will have the opportunity to examine the QSK38 EPA Tier 4 solution, designed with repower flexibility in mind.  This innovative engine provides clean power in a compact package, leveraging trusted technology that operators can depend on for their fleet. Durability and performance Cummins will feature a parts display comparing both brand-new genuine components and parts In addition to showcasing their QSK38 EPA Tier 4 solution, Cummins will feature a parts display comparing both brand-new genuine components and parts from a customer’s engine that has operated for over 100,000 hours without an overhaul, demonstrating remarkable durability with only a marginal impact to performance from the nominal specifications. This stands in stark contrast to industry standards, which typically call for overhauls every 20,000 to 25,000 hours and replacements or repowers at 60,000 to 75,000 hours. Carbon reduction Cummins' team of experts will be available throughout the event to discuss the company's commitment to carbon reduction and guide owners in steering their operations towards a more sustainable future. With HVO approval on all high-horsepower engines and compliance with EPA Tier 4 and IMO III standards, Cummins offers immediate solutions for those looking to begin their decarbonisation journey. Sustainable maritime future Gbile Adewunmi, Vice President of Industrial Markets - Power Systems Business at Cummins, will present the company's strategies on the path to Destination Zero for the maritime industry. This presentation will take place on Wednesday at 2:30 PM in Classroom 2, offering attendees valuable insights into Cummins' vision for a sustainable maritime future. Destination Zero "Cummins is committed to leading the maritime industry toward a sustainable future through innovative power solutions," said Gbile Adewunmi, adding "Our QSK38 EPA Tier 4 engine exemplifies our dedication to providing reliable, clean power while supporting operators in their decarbonisation efforts." Gbile Adewunmi continues, "As we gather at the International Workboat Show, we look forward to sharing our vision for Destination Zero and collaborating with industry partners to navigate the path toward a more sustainable maritime landscape." Events  The company has organised several events throughout the show: Repower with Cummins Visitors can enjoy barista-made coffee on Tuesday and Wednesday from 9:00 AM to 1:00 PM at Booth 3001. Cummins Happy Hour Network with the Cummins team over drinks on Tuesday and Wednesday from 3:00 PM to 5:00 PM at Booth 3001. Presentation on Cummins Destination Zero Learn about decarbonisation strategies for the marine industry on Wednesday from 2:30 PM to 3:15 PM in Classroom 2. Cummins invites all attendees to visit Booth 3001 to learn more about the QSK38 EPA Tier 4 solution and engage in conversations about proven technologies that can continue to power the future of maritime operations, while addressing environmental challenges.

Insights & Opinions from thought leaders at Cummins

What are the latest maritime technology trends in decarbonisation?

More than almost any trend, decarbonisation is driving the future of maritime. That reality alone makes decarbonisation the perfect topic for our first-ever Expert Panel Roundtable column. Traditional maritime fuels, like heavy fuel oil, release harmful pollutants that contribute to air pollution and have adverse health effects. We have to do better, and discussions in the maritime industry centre on which combination of alternative fuels and other technologies can solve the shorter- and longer-term challenges of decarbonisation. For an update on the various approaches, we asked our Expert Panel Roundtable: What are the latest maritime technology trends in decarbonisation?

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