Legendary Power Meets Marine Reliability: Caterpillar 3512B HD Marine Diesel Engine

When your vessel demands unwavering performance mile after nautical mile, compromise isn't an option. This pre-owned Caterpillar 3512B HD Marine Propulsion Engine delivers an impressive 1675 horsepower at 1600 RPM, providing the continuous-duty power that commercial operators, charter services, and serious boat owners depend on for their most demanding applications.

Built on Caterpillar's legendary reputation for durability and reliability, the 3512B HD represents decades of marine engineering excellence. This is the engine that powers the world's working vessels—and now it can power yours.

Why Maritime Professionals Choose the Caterpillar 3512B HD

• Proven Continuous-Duty Performance: Rated for 1675HP at 1600 RPM continuous operation, this engine is engineered for vessels that work hard day in and day out—from commercial fishing to charter operations to offshore support.
• Heat Exchanger Cooling System: Advanced marine-grade cooling protects your investment in the harshest saltwater environments, ensuring optimal operating temperatures and extending engine life even under sustained heavy loads.
• Complete Electrical System: Equipped with a robust 24V electric starter and integrated charging alternator, providing reliable cold starts and maintaining your vessel's electrical systems throughout operation.
• Caterpillar Quality Standards: Every 3512B HD is built to the exacting specifications that have made Caterpillar the most trusted name in heavy-duty power—backed by a global service network.
• Pre-Owned Value: Acquire proven Caterpillar reliability at a fraction of new equipment costs, with detailed build sheet documentation providing complete transparency on specifications and configuration.

Technical Specifications at a Glance

• Model: Caterpillar 3512B HD Marine Propulsion Engine
• Continuous Power Rating: 1675 HP @ 1600 RPM
• Cooling System: Heat Exchanger Cooled
• Starting System: 24V Electric Starter
• Charging System: Integrated Charging Alternator
• Condition: Pre-Owned, Professionally Maintained
• Documentation: Complete Build Sheet Available

The Caterpillar 3512B HD Advantage

The 3512B HD isn't just an engine—it's a business investment. Whether you're repowering a commercial fishing vessel, upgrading a charter boat, or seeking reliable propulsion for offshore operations, this engine delivers the performance metrics that directly impact your bottom line: fuel efficiency, minimal downtime, and the confidence that comes with Caterpillar's proven track record.

The heat exchanger cooling system is specifically engineered for marine applications, protecting critical components from corrosive saltwater while maintaining optimal operating temperatures under continuous load. This translates to longer service intervals, reduced maintenance costs, and extended engine life—critical factors for any marine operation.

Complete Documentation Included

This engine comes with a comprehensive build sheet providing detailed specifications, configuration details, and technical information. You'll have complete transparency about what you're purchasing—no surprises, just the facts you need to make an informed decision.

Perfect Applications for the 3512B HD

• Commercial Fishing Vessels
• Charter and Passenger Boats
• Offshore Supply Vessels
• Crew Transfer Vessels
• Tug Boats and Workboats
• Research and Survey Vessels
• Large Yacht Repowers

Why Choose Power Generation Enterprises?

When you source your marine propulsion through Power Generation Enterprises, you're working with specialists who understand the critical nature of power systems. We provide the technical expertise and support you need to ensure proper integration and optimal performance of your Caterpillar engine.

Investment in Reliability

Pre-owned doesn't mean compromise. The Caterpillar 3512B HD was engineered to deliver hundreds of thousands of operating hours when properly maintained. This engine represents an opportunity to acquire world-class Caterpillar performance and reliability while making a smart financial decision for your marine operation.

Don't let this opportunity pass. Pre-owned Caterpillar marine engines of this caliber don't stay available long. Contact Power Generation Enterprises today to review the complete build sheet, discuss your specific application requirements, and discover how the 3512B HD can power your marine operation forward.

Item #E4461 - Review complete build sheet documentation for detailed specifications. Contact our marine power specialists for application consultation and availability confirmation.