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Caterpillar 3520 Engine For Sale & Wanted – CAT 3520 Diesel Engine Listings

About the Caterpillar 3520 Engine

The Caterpillar 3520 Engine is a large heavy-duty diesel engine designed for industrial power generation, marine propulsion systems, and large mining operations. Manufactured by Caterpillar Inc., the CAT 3520 engine is known for its extremely high horsepower output and ability to operate continuously in demanding industrial environments.

The CAT 3520 engine features a 69-liter V20 turbocharged diesel configuration engineered to deliver very high torque and continuous power output. This engine is commonly installed in large generator power plants, commercial marine vessels, and heavy industrial facilities where reliable base-load power is required.

Because of its robust design and advanced fuel system, the CAT 3520 engine can operate under constant heavy load for extended periods while maintaining stable performance and long service intervals.

On IndustrialMarinePower, buyers and sellers can connect to trade new, used, rebuilt, or wanted Caterpillar 3520 engines used in industrial power systems and marine equipment worldwide.

Caterpillar 3520 Engine Arrangement Numbers

Caterpillar engines are identified using Arrangement Numbers, which define the exact factory configuration of the engine.

Common CAT 3520 engine configurations include:

• 7N-8900

• 8N-8915

• 9Y-8210

• 7W-5405

• 6N-8903

• 8N-8920

These arrangement numbers correspond to configurations used in:

• large generator power plants

• marine propulsion systems

• mining equipment

• offshore oil and gas installations

• industrial power generation facilities

Using the correct Caterpillar arrangement number helps buyers and sellers identify the exact engine configuration when purchasing engines or ordering replacement components.

Caterpillar 3520 Engine Specifications

Typical specifications of the CAT 3520 diesel engine include:

• Engine Model: CAT 3520

• Engine Type: V20 Turbocharged Diesel

• Displacement: Approximately 69 Liters

• Power Output: Up to approximately 3,000 HP depending on configuration

• Fuel System: Electronic Fuel Injection

• Applications: Marine vessels, power generation plants, mining equipment, and heavy industrial machinery

The CAT 3520 engine is designed to deliver extreme horsepower, reliable continuous operation, and long service life, making it one of the most powerful engines used in industrial power generation.

Common Applications of the CAT 3520 Engine

The Caterpillar 3520 engine is widely used across several heavy industries, including:

• Marine propulsion systems

• Industrial power generation plants

• Mining operations

• Offshore oil and gas equipment

• Large industrial facilities

Typical installations include large generator plants, commercial ships, mining operations, offshore installations, and heavy industrial power systems operating in demanding environments worldwide.

Buy, Sell or Post Wanted Caterpillar 3520 Engines

IndustrialMarinePower is a global marketplace where equipment owners, dealers, and suppliers can buy, sell, or post wanted listings for Caterpillar 3520 engines.

Listings may include:

• New Caterpillar engines

• Used Caterpillar engines

• Rebuilt CAT engines

• Surplus industrial diesel engines

Buyers can browse listings or post a wanted request to locate specific CAT 3520 engines and contact sellers directly for price, engine hours, location, and availability.

Example Listing Description

Caterpillar 3520 engine for sale or wanted – CAT 3520 diesel engine.
Common configurations include arrangement numbers such as 7N-8900, 8N-8915 and other CAT 3520 setups.

Condition: New / Used / Rebuilt
Application: Marine vessels, generator plants, mining equipment, and heavy industrial machinery.

Contact the seller for price, engine hours, location, and shipping details.