Transform Your Marine Vessel with Proven Caterpillar Power and Reliability

When you need dependable marine propulsion that delivers day after day, the Caterpillar 3406 diesel marine engine stands as the industry benchmark for commercial and recreational vessels alike. This professionally rebuilt powerhouse combines legendary CAT engineering with exceptional value, offering you a turn-key solution that's ready to get you back on the water with confidence.

Battle-Tested Performance That Won't Let You Down

Generating a robust 400 horsepower at 1800 RPM, this completely rebuilt Caterpillar 3406 delivers the torque and reliability that marine professionals demand. Whether you're operating a fishing vessel, tugboat, or pleasure craft, you'll appreciate the smooth, consistent power delivery that only CAT's proven inline-six design can provide.

With approximately 2,500 hours since complete overhaul, this engine has been broken in properly and is hitting its optimal performance stride—giving you thousands of hours of dependable service ahead.

Complete Propulsion Package—Ready to Install

Unlike bare engines that require extensive additional investment, this unit comes complete with a Twin Disk MG514 marine gear featuring a 4.5:1 reduction ratio. This professionally matched drivetrain combination means:

• Immediate Installation – No sourcing additional components or compatibility concerns
• Optimized Performance – The 4.5:1 gear ratio is perfectly matched to the 3406's power curve for maximum efficiency
• Proven Reliability – Twin Disk marine gears are the choice of commercial operators worldwide
• Reduced Downtime – Get your vessel operational faster with this complete package

Why Choose a Rebuilt Caterpillar 3406?

The CAT 3406 marine engine has earned its reputation through decades of proven service in the most demanding marine environments. This completely overhauled unit gives you:

• Industrial-Grade Construction – Built to withstand continuous duty cycles that would destroy lesser engines
• Excellent Fuel Economy – The 3406's efficient design keeps operating costs under control
• Worldwide Parts Support – Caterpillar's global network ensures parts availability anywhere you travel
• Simple Maintenance – Straightforward mechanical design means easier servicing and lower maintenance costs
• High Resale Value – CAT power commands premium pricing when it's time to sell your vessel

Complete Overhaul Means Peace of Mind

This engine has undergone a comprehensive rebuilding process to return it to like-new condition. A complete overhaul typically includes new bearings, rings, gaskets, seals, and thorough inspection of all critical components—giving you reliability comparable to a new engine at a fraction of the cost.

Ideal Applications

This 400HP marine package is perfectly suited for:

• Commercial fishing vessels (35-55 feet)
• Tugboats and workboats
• Charter boats and dive boats
• Crew boats and utility vessels
• Larger pleasure craft and sportfishing yachts
• Patrol and service vessels

Technical Specifications at a Glance

• Model: Caterpillar 3406 Diesel Marine Engine
• Power Output: 400 HP @ 1800 RPM
• Condition: Professionally Rebuilt
• Hours Since Overhaul: Approximately 2,500
• Marine Gear: Twin Disk MG514 Included
• Gear Ratio: 4.5:1
• Configuration: Complete, Ready to Install
• Item Number: E4695

Smart Investment for Your Vessel

Purchasing a professionally rebuilt CAT 3406 with marine gear represents exceptional value compared to new engine pricing—often 50-70% savings while delivering comparable reliability and performance. For vessel operators who understand the importance of proven power, this is an opportunity to upgrade or replace your current power plant without breaking the budget.

Don't let this opportunity slip away. Quality rebuilt Caterpillar marine engines with matched gears are highly sought after and move quickly. Contact Power Generation Enterprises today to discuss how this proven power package can get your vessel back to peak performance. Our knowledgeable team can answer your technical questions and arrange inspection or delivery.

Invest in proven Caterpillar reliability—invest in thousands of trouble-free hours on the water.