Parts For Caterpillar 3196

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  Marine Parts

Engine Specifications & Applications of the Caterpillar 3196 Engine

Overview of the Caterpillar 3196 Marine Engine

The Caterpillar 3196 is a high-performance, turbocharged and aftercooled inline 6-cylinder marine diesel engine engineered for both commercial and recreational marine applications. Launched in the late 1990s, the 3196 quickly gained popularity due to its compact size, high horsepower output (up to 660 HP), and fully electronic fuel control system . It marked a pivotal point in Caterpillar’s transition from mechanical to digital marine power solutions, offering smoother operation, enhanced fuel efficiency, and built-in diagnostics through the ADEM electronic control module.

Though the engine is no longer in production, it continues to be widely used in boats around the world, especially in repower projects and fleets that value durability and torque . The Caterpillar 3196 remains a strong contender in the aftermarket space, supported by a large base of available replacement and rebuild parts from trusted suppliers like Diesel Pro Power.

Caterpillar 3196 Engine Technical Specifications

Key Features:

• ADEM II or III ECM for fuel efficiency, diagnostics, and load balancing

• Aftercooled induction system to increase combustion efficiency

• Modular component layout for streamlined service and repower applications

• Designed for continuous marine duty with stable high-RPM operation

Applications of the Caterpillar 3196 Diesel Engine

The Caterpillar 3196 was designed specifically for marine propulsion and auxiliary power. It became a go-to engine for vessels requiring 600–700 horsepower with a smaller engine room footprint, quieter operation, and faster throttle response. Today, it continues to power a wide variety of commercial, industrial, and recreational boats.

1. Marine Propulsion in Pleasure Craft

The 3196 was a factory-installed favorite in twin-engine sportfishing yachts, cruisers, and express boats from builders like Hatteras, Sea Ray, Viking, and Cabo. These engines were known for:

• Fast spool-up and low smoke at low RPMs

• Strong mid-range torque for quick planing

• Quiet and smooth running at cruising speeds

Typical Uses:

• 40- to 60-foot luxury yachts

• High-speed fishing boats

• Twin-screw express cruisers

• Motoryachts for long-range cruising

Many of these engines are now 15–25 years old, making them ideal candidates for rebuilds, repowers, or upgrades—backed by readily available aftermarket parts from Diesel Pro Power .

2. Light Commercial Marine Vessels

In commercial service, the 3196 is prized for its balance of power, fuel efficiency, and electronics —making it ideal for vessels with repetitive duty cycles and high reliability requirements.

Common Installations:

• Charter boats and water taxis

• Pilot vessels

• Tour boats

• Harbor patrol boats

• Crew boats and workboats under 65 ft

Operators value the engine’s low emissions, consistent fuel burn, and simple maintenance schedule. Many vessels with 3196 engines run for thousands of hours per year and rely heavily on aftermarket support for filters, injectors, and overhaul kits.

3. Marine Repower Projects

The Caterpillar 3196 has become a popular repower engine thanks to:

• A manageable engine size for engine room retrofits

• Horsepower that meets or exceeds older 3208 or 3116 engines

• Electronic control that integrates easily with modern helm stations

Diesel Pro Power provides the full suite of aftermarket repower parts , including:

• Replacement motor mounts

• Turbochargers and exhaust elbows

• Marine wiring harnesses

• Freshwater and seawater cooling components

• Gasket sets and rebuild kits

For boat owners and fleet managers upgrading to digital engines, the 3196 offers an excellent balance of cost and capability—especially when supported by aftermarket suppliers.

A dditional Resources

Marine CAT 3196 Coolant System Specific Component Maintenance Life