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TOYAN B400 BOXER 4 horizontally-opposed engine

TOYAN B400 BOXER 4 horizontally-opposed engine

Regular price $799.99 USD
Regular price $799.99 USD Sale price $799.99 USD
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Key Features of the TOYAN B400 BOXER 4 horizontally-opposed engine:

  • Efficient and Realistic Design: The FS-B400 Engine boasts a true-to-life mechanical operation, featuring a precise camshaft, separate intake & exhaust systems, a 180° crankshaft, and a precision pump-style carburetor. A realistic exhaust pipe enhances the sound, while a high-speed fan with an air duct ensures efficient cooling. The high-quality transmission belt reduces the risk of gear skipping.

  • Powerful Performance: Experience exhilarating power with the four-cylinder horizontal opposed engine, delivering high horsepower and torque for an impressive performance.

  • Reliability and Durability: Crafted from premium metal with CNC machining, the FS-B400 Engine offers long-lasting durability and reliability, ensuring peak performance with minimal maintenance.

  • Versatile Application: Ideal for desktop experiments, DIY fuel vehicle projects, and more, this engine is a top choice for automotive enthusiasts and engineering buffs. It’s also a must-have for engine collectors.

  • Hobbyist’s Dream: Perfect for RC racing enthusiasts, the FS-B400 Engine provides a powerful, reliable, and high-performance experience.

Important Information:

  • Available in both Kit (assembly required) and Pre-assembled versions.
  • Additional accessories needed (sold separately): glow plugs, ignition modules, fuel tanks, fuel lines, engine mounts.
  • Recommended Age: 14 years and above.


  • Material: Metal
  • Model: FS-B400
  • Form: Assembled/KIT Version
  • Displacement: 4.2 (3.5 x 4) CC
  • Engine Type: Horizontally Opposed 4-Stroke
  • Cylinder Diameter: 16.68mm
  • Stroke: 15.40mm
  • Cooling: Air-cooled
  • Lubrication: Mixed Oil Splash
  • Start: Electric (electric starter motor included)
  • Lubricating Oil: Common Grease


  • Product Weight: 1850g
  • Package Weight: 2000g
  • Dimensions: 18.4 x 15.2 x 14.1cm
  • Packaging: Box

Package Includes:

  • 1 x TOYAN FS B400 Engine Model
  • 1 Set of Tools
  • 1 x Instruction Manual

Igniton Starting Module Set

  • Fuel Tank
  • Ignition Wire
  • Fuel Line
  • Glow Plug
  • Fuel line adapter
  • Fuel is not included because of the global shipping policy, please purchase locally, 20-25% Nitro (Methanol Fuel)is suggested to use.

Get your hands on the TOYAN FS-B400 Boxer Engine today and immerse yourself in the world of advanced mechanical engineering!

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