Sign In
Welcome! Sign In to personalize your Cat.com experience
If you already have an existing account with another Cat App, you can use the same account to sign in here
Register Now
One Account. All of Cat.
Your Caterpillar account is the single account you use to log in to select services and applications we offer. Shop for parts and machines online, manage your fleet, go mobile, and more.
Account Information
Site Settings
Security
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.
Products
-
- Power Range
- 1341-2550 bhp (1000-1902 bkW)
- 1341-2550 bhp (1000-1902 bkW)
- Speed Range
- 1600 - 1800 rpm
- 1600 - 1800 rpm
- Emissions
- U.S. EPA Tier 4, IMO II/III, EU Stage 5
- U.S. EPA Tier 4, IMO II/III, EU Stage 5
3512E
Learn More -
- Power Range
- 2501-3386 bhp (1865-2525 bkW)
- 2501-3386 bhp (1865-2525 bkW)
- Speed Range
- 1600 - 1800 rpm
- 1600 - 1800 rpm
- Emissions
- U.S. EPA Tier 4, IMO III
- U.S. EPA Tier 4, IMO III
3516E
Learn More
-
Designing Engines from Concept to Reality
Caterpillar’s solution to address the latest Tier 4 emission standards began with a sketch. See how the team went from concept to reality to help reduce emissions & operating costs.
Learn More -
Your U.S. EPA Tier 4 Final Marine Engine Questions Answered
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 -
Marine Service Solutions
Whether you only want to access the data, be informed of an unsafe condition, or be advised on how to improve the efficiency of your operation, Caterpillar Marine has the right combination of digital services for you and your business.
Learn More -
Marine Power Systems
Engine uptime is critical for you, your crew, your clients and your bottom line. That's why Cat 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 -
Marine Power Solutions Guide
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 -
Find Your Dealer
Cat dealers have ways to help you enhance every aspect of your operation, so you can work faster and more efficiently than ever.
Find Your Local Dealer
