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Optimize Your Vessel’s Power Systems

Explore H.O. Penn’s Range of Cat® Marine Generators and Engines

Maritime vessels need powerful, reliable solutions to navigate the ocean safely and effectively. H.O. Penn’s wide range of Cat® marine generators and engines gives seafaring vehicles the robust strength they need to withstand challenging waters. Browse our selection of industry-leading, versatile power systems from Caterpillar Marine and optimize your watercraft for success.

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Cat® Marine Engines and Generators

H.O. Penn is proud to offer fuel-efficient, powerful and environmentally conscious energy solutions for your nautical pursuits, including Cat marine engines, generators and other equipment. Propel your vessel through ocean waters and power essential equipment on board, from winches to thrusters. We stock and service various premium Cat marine products, including:

Cat marine diesel engines are durable, innovative and easy to service. They can withstand the toughest challenges at sea and are designed to propel large vessels such as container ships, bulk cargo carriers and tankers. Power outputs range from a modest 280 brake horsepower (bhp) (209 brake kilowatts (bkW)) to a mighty 7,577 bhp (5,650 bkW), giving excellent control at medium and high speeds. Whatever your large-scale oceanic endeavor, a Cat commercial propulsion engine can improve it.

H.O. Penn’s collection of agile, high-performance Cat marine engines is varied. The range’s highest-powered engine outputs an impressive 1,800 to 2,400 bhp (1,342 to 1,790 bkW), while its most restrained engine still produces 400 to 500 bhp (298 to 373 bkW). Enjoy outstanding fuel efficiency, long life-to-overhaul, and easy access to parts and services worldwide.

Dependability is crucial during sea voyages. Caterpillar manufactures marine generators to power through harsh maritime conditions, keeping your onboard equipment operational against all odds. These resilient generator sets feature advanced monitoring solutions, compact designs, low sound levels, cost-effective operation and excellent fuel consumption rates.

Cat marine auxiliary engines are an economical and efficient solution for unique or customized generator setups. They can be configured to fit various power systems, have high power density, need infrequent maintenance and come with multiple cooling options, including keel cooling, separate-circuit turbocharged aftercooling and heat exchange systems with optional seawater pumps.

Engines Built With Carbon Emissions in Mind

Caterpillar has been a leader in environmental protection innovation for decades and continuously strives to meet global emission standards, including those of the U.S. Environmental Protection Agency (EPA), China Ministry of the Environment, the European Union (EU) and the International Maritime Organization (IMO).

Commercial Propulsion Engines

Commercial propulsion diesel engines that comply with EPA and IMO emission regulations include:

  • C7.1: EPA Tier 3, IMO II and China II
  • C9.3 ACERT™: EPA Tier 3 and IMO II
  • C18: EPA Tier 3 and IMO II
  • C32: EPA Tier 3 and IMO II
  • 3512C: EPA Tier 3 and IMO II
  • C280-12: EPA Tier 4 and IMO II

High-Performance Propulsion and Maneuvering Solutions

Some high-performance propulsion and maneuvering solutions that comply with EPA and IMO emission regulations include:

  • C7.1: EPA Tier 3, IMO II and China II
  • C32B: EPA Tier 3 (recreational), IMO II/III and China II
  • 3512C HD: EPA Tier 3 and IMO II
  • C18 ACERT™: EPA Tier 3 and IMO II

Marine Generator Sets and Auxiliary Engines

Generator sets and auxiliary engines compliant with EPA, IMO or EU standards include:

  • C1.5: EPA Tier 3
  • C2.2: EPA Tier 3
  • C4.4 (Electronic): EPA Tier 3 and EU Stage V certified
  • C9.3 Auxiliary Engine: EPA Tier 3, IMO II/III and China II
  • C7.1 (Electronic Control System): EPA Tier 3, IMO II, EU Stage V and China II

Industries Cat Marine Power Solutions Benefit

Many commercial and leisure industries benefit from installing Cat marine engines and generators into their vessels. The efficiency, longevity and power that these solutions provide help save money while optimizing returns. We recommend Cat marine products for the following industries:

Cargo ships are massive watercraft requiring tremendous power to move through water. Fortunately, heavy-duty Cat marine diesel engines can handle their heft with ease. Dry bulk carriers, container ships, tankers and other cargo liners haul hundreds of thousands of tons across rough seas every trip. They can rely on Cat marine engines, auxiliary engines and generator sets like the large-bore C280 series for cost-effective propulsion and powering onboard equipment.

Research vessels are indispensable assets for scientific discovery, national security and responsible commercial development. From hydrographic survey ships to polar research vessels, these watercraft carry valuable equipment and passengers through challenging weather conditions and swells. The advanced technology and excellent emission certifications of the C9.3 ACERT™ commercial propulsion engine make it a wise choice for research vessels.

Fishing is a strenuous profession that needs power solutions that can keep up with its relentless tenacity. The fishing industry has various ships to power, including line vessels, seiners, dredgers and lift netters. These vessels have different designs to suit their functions, so naturally, they benefit from various engine types. Smaller gillnetters and trap vessels would do well with the compact yet powerful C18 series, while larger trawlers would fare better with a more robust 3500C propulsion engine.

Drill ships, offshore support vessels and tugboats all work together to keep energy companies afloat at sea. Both the 3512C commercial propulsion engine and the 3516C with more horsepower would be great candidates for medium-to-large vessels used for drilling and transporting natural resources. The entire 3500 series is well-regarded by industries looking to preserve finances and maximize efficiency.

The U.S. Armed Forces have relied on Cat marine diesel engines since World War I. The U.S. Navy, Army, Air Force and Coast Guard have a combined fleet of hundreds of ships, including aircraft carriers, tankers, cargo ships, cutters, tugboats and combatant vessels. Their diverse needs mean their industry can benefit from practically all Cat marine generators and engine types, along with various military customization options, including:

  • Sound-attenuated enclosures
  • Innovative autonomy platforms
  • MIL-901D grade shock qualifications
  • American Bureau of Shipping (ABS) naval vessel certifications
  • Military standard qualifications
  • ABS High-Speed Naval Craft (HSNC) certifications

Engines such as the highly reputable 3508C propulsion engine and the electronically controlled C12 are excellent candidates for U.S. military applications.

Ocean liners and cruise ships need a combination of speed and stability, so their power solutions must rise to the occasion to benefit passengers and business owners. The Cat C32 propulsion engine ticks all the required boxes with its enhanced fuel injection control and industry-leading power reserve. Smaller leisure vehicles for sports fishing and yachting will appreciate the quiet operation, absence of smoke and impressive electronic compatibilities of the C7.1 high-performance propulsion engine.

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Convenient Access to Parts and Services Worldwide

Cat marine parts and services are quick and easy to come by. Caterpillar supplies a global network of dealers who expertly service Cat marine engines and sell cat equipment and essential replacement parts, so you can get your vessel into tip-top shape no matter where you’re docked.

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Over a Century of Experience

Experience Premium Engineering With Cat Marine Equipment From H.O. Penn

H.O. Penn has been in business for over a century, providing our clients with exceptional quality industrial and commercial equipment. We have six locations in New York surrounding Long Island Sound, all offering Cat marine generator sets, engines and auxiliary engines. To revolutionize your vessel with exceptional quality power solutions, contact us today.

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