MARINE ENGINE TIER 4 FINAL

Marine Engine Tier 4 Final

70+ MARINE ENGINE TIER 4 FINAL PRODUCTS IN ACTION — AND COUNTING

 

 

Why choose Cat® Tier 4 Final marine engines? Don’t base your decision on anticipated results. Base it on real-world, real-time outcomes. Our product line doesn’t simply meet the latest marine engine emissions regulations — our Tier 4 Final engines are performing in engine rooms, on the water, day in and day out. They’re exceeding marine customers’ high expectations for reliability, durability, ease of installation and simplicity of maintenance. And they’re doing it efficiently, lowering your fuel consumption and your costs.

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When we looked to move forward into the Tier 4 requirements, Caterpillar was absolutely our first choice to be able to do that with." Meet the Earl Redd, equipped with Cat® 3516E Tier 4 Final engines.

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Discover why Harley Marine services said that Caterpillar was their first choice when launching the first Tier 4 vessel in the United States.

Earl Redd with Cat 3512E Tier 4
Harley Marine

The Technology Explained

The beauty of our SCR system is that it’s not complicated. The technology doesn’t affect engine efficiency and durability like other emissions-reduction solutions.

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SCR Technology

Marine Engine Tier 4 Final Products

Cat® Tier 4 Final engines powering vessels across marine industries.

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Marine Tier 4

What Customers Are Saying

Customers are saying the Marine Engine Tier 4 is reliable, fuel-efficient, easy to maintain, and flexible to install.

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What Customers Are Saying

Your Questions Answered

We know you have questions when it comes to marine engine emissions regulations and the solutions that have been developed to address them.

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Your Questions Answered

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