Cat 3520 Engine Specs

The Cat 3520 engine is a powerful and reliable engine that is widely used in various industrial applications. It is known for its exceptional performance, durability, and efficiency. In this article, we will explore the engine configuration, engine oil specs, and service intervals of the Cat 3520 engine.

Engine Configuration

The Cat 3520 engine is a V20, four-stroke diesel engine that is designed to deliver high power output and torque. It has a displacement of 95.4 liters (5,824 cubic inches) and features a twin-turbocharged and aftercooled system. The engine is equipped with a direct injection fuel system, which ensures efficient combustion and optimal fuel economy.

Here are some key specifications of the Cat 3520 engine:

  • Number of cylinders: 20
  • Bore: 170 mm (6.7 inches)
  • Stroke: 190 mm (7.5 inches)
  • Compression ratio: 14:1
  • Aspiration: Twin-turbocharged and aftercooled
  • Governor type: Electronic
  • Weight (dry): 22,680 kg (50,000 lbs)

Engine Oil Specs

Using the right engine oil is crucial for the optimal performance and longevity of the Cat 3520 engine. The engine oil should meet the recommended specifications to ensure proper lubrication and protection against wear and corrosion. Here are the engine oil specifications for the Cat 3520 engine:

  • Oil type: Cat DEO (Diesel Engine Oil) or equivalent
  • Viscosity grade: SAE 15W-40
  • API classification: CI-4 or higher
  • Oil capacity: 1,890 liters (500 gallons)

It is important to regularly check the engine oil level and maintain it within the recommended range. Additionally, the engine oil should be changed at the specified service intervals to ensure optimal engine performance and longevity.

Service Intervals

Proper maintenance and regular servicing are essential to keep the Cat 3520 engine in top condition. Here are the recommended service intervals for the Cat 3520 engine:

  • Engine oil change: Every 500 hours or 6 months, whichever comes first
  • Oil filter change: Every 500 hours or 6 months, whichever comes first
  • Fuel filter change: Every 1,000 hours or 12 months, whichever comes first
  • Air filter change: Every 1,000 hours or 12 months, whichever comes first
  • Valve lash adjustment: Every 2,000 hours or 24 months, whichever comes first

Following these service intervals will help ensure that the Cat 3520 engine operates at its peak performance and remains reliable throughout its lifespan.

In conclusion, the Cat 3520 engine is a powerful and robust engine that offers exceptional performance. Its V20 configuration, twin-turbocharged and aftercooled system, and direct injection fuel system contribute to its impressive power output and efficiency. By using the recommended engine oil and adhering to the specified service intervals, operators can maximize the longevity and reliability of the Cat 3520 engine.

Categories: 30+Cat

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