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.
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.
Discover why Harley Marine services said that Caterpillar was their first choice when launching the first Tier 4 vessel in the United States.
Like many great ideas, Caterpillar’s solution to address the latest marine emissions Tier 4 standards started with a simple pencil sketch. Now that design is helping customers reduce emissions and operating costs.Learn More
Our Tier 4 Final marine engines employ a Selective Catalytic Reduction, or SCR, solution to reduce emissions. Technology faqs about how it works and why we chose it? Get the answers here.Learn More
Asset Intelligence - Cat Marine vessel monitoring system analytics provides remote monitoring technologies that help industry cut costs, prolong the life of equipment and increase profits.Learn More
Engine uptime is critical for you, your crew, your clients and your bottom line. That's why Cat and MaK propulsion engines power your vessel to any port. The industry's largest range of engines provide the reliability you need. Caterpillar Marine ensure that you have an engine on board that will work as hard as you do. Select from our wide range of Commercial Propulsion Engines, High Performance Propulsion Engines, Marine Generators, and Auxiliary Engines.Learn More
Complete this marine form to download the Marine Engine Selection Guide — your guide to our full product lineup. With the Marine Ratings Guide, compare engines, specs and aftertreatment systems and find the right system for your marine operation.Learn More
Need help finding a Cat dealer near you? Use our dealer locator tool by simply entering your address or the dealer's name you are looking for.Learn More