Continental TSIO-520-EB Engine – For Cessna 401, 402, 335 & RAM STC Cessna 310

The Continental TSIO-520-EB is a turbocharged, fuel-injected engine producing 300 horsepower at 2600 RPM. It’s the standard engine for the Cessna 401, 402, and 335, and can be installed on the Cessna 310 using the RAM Aircraft STC #SE3630SW. Known for durability, fuel efficiency, and smooth operation, this engine is designed for multi-engine, high-performance aircraft.

All engines from Air Power come with a Tempest Spin-On Oil Filter (when applicable) and a full set of Tempest Spark Plugs, included with both factory new and rebuilt configurations.

Aircraft Applications

• Cessna 401
• Cessna 402
• Cessna 335
• Cessna 310 (via RAM STC #SE3630SW)

Engine Specifications

• Horsepower: 300 HP @ 2600 RPM
• Displacement: 520 cu in (8.5L)
• Fuel System: Fuel-injected, turbocharged
• Cooling: Air-cooled
• Configuration: Horizontally opposed, 6-cylinder

What We Need to Know to Properly Spec Your TSIO-520-EB

• New or rebuilt?
• 12V or 24V electrical system?
• Left or right engine position?
• Alternator included or not?

Note: The voltage regulator is not included with this engine. Please ensure your aircraft has a compatible voltage regulation system or contact Air Power for assistance.

Continental RFQ Process

Some configurations require custom quoting from the factory. Air Power can submit an RFQ (Request for Quote) on your behalf:

• Lead Time: About 1 week for response
• Result: Confirmed pricing and production schedule

Why Buy from Air Power?

As the largest distributor of Continental engines worldwide and the factory's preferred supplier, Air Power brings unmatched technical expertise and access to current production data. We’ll help you get the right configuration the first time—every time.

Request a quote today and upgrade your aircraft with factory-backed performance and peace of mind.