Transform your marine vessel with proven Caterpillar reliability. This professionally rebuilt CAT 3304 Marine Diesel Engine delivers 165 horsepower at 2200 RPM—the perfect balance of power and efficiency for commercial fishing boats, workboats, tugboats, and mid-sized pleasure craft.

Zero Hours Since Complete Overhaul—Like New Performance

This isn't just a used engine with fresh paint. This CAT 3304 has been completely rebuilt to exacting Caterpillar OPC (Original Performance Criteria) specifications by an authorized CAT dealer. With zero hours since overhaul, you're getting factory-fresh performance with the confidence of proven engineering—at a fraction of the cost of a new engine.

Key Features & Benefits

• 165HP @ 2200 RPM – Optimal power band for reliable marine propulsion with excellent fuel economy
• 0 Hours Since Professional Overhaul – Complete rebuild means you're getting essentially a new engine with a proven track record
• Keel Cooled Configuration – Eliminates raw water corrosion issues and reduces maintenance headaches
• Rebuilt to CAT OPC Specifications – Every critical component restored to original manufacturer standards by authorized CAT technicians
• Warranty Included – Peace of mind protection for your investment
• Legendary CAT Reliability – The 3304 platform has decades of proven marine service worldwide

Why Choose the Caterpillar 3304?

The CAT 3304 series has earned its reputation as one of the most dependable marine diesel engines ever manufactured. Known for its robust inline 4-cylinder design, this engine provides outstanding torque characteristics and fuel efficiency that commercial operators and serious boaters demand. The naturally aspirated design means fewer components to maintain and exceptional longevity.

Ideal Applications:

• Commercial fishing vessels
• Workboats and utility craft
• Tugboats and push boats
• Charter boats
• Pleasure craft 35-50 feet
• Auxiliary power applications

The Keel Cooling Advantage

This engine features keel cooling, which uses a heat exchanger system that eliminates direct contact between corrosive seawater and your engine's cooling system. This means significantly reduced maintenance costs, extended engine life, and reliable operation in all water conditions—fresh, salt, or brackish.

Professional Rebuild Quality

When we say "rebuilt to CAT OPC specs," we mean comprehensive restoration including:

• Complete engine disassembly and inspection
• Genuine Caterpillar replacement parts where needed
• Precision machining and measurement
• New seals, gaskets, and wear components
• Professional testing and break-in procedures
• Full documentation of work performed

Backed by Warranty Protection

Your investment is protected with included warranty coverage, giving you confidence in your purchase and assurance that this engine will perform as promised. Details available upon request.

Ready for Immediate Installation

This CAT 3304 is available now and ready to power your vessel. Whether you're repowering an existing boat or completing a new build, this professionally rebuilt engine offers exceptional value without compromising on quality or reliability.

Don't miss this opportunity to own a factory-quality Caterpillar marine diesel at a pre-owned price. Engines of this caliber—with zero hours since professional rebuild and full warranty—don't stay available long.

Contact Power Generation Enterprises today for detailed specifications, warranty information, and to arrange inspection. Our marine diesel specialists are ready to answer your questions and help ensure this engine is the perfect fit for your application.