Wednesday, July 24, 2024


Model: 8.1 HO MPI

Brand: Crusader Engines

Product Description

Introducing the Crusader Engines 8.1 HO MPI 437.8HP, the pinnacle of marine propulsion engineering. Crafted to deliver uncompromised performance, optimal fuel efficiency, and unparalleled reliability, this engine is specifically designed for those who demand the best on the water. With 437.8 horsepower, advanced multipoint fuel injection (MPI), and high output (HO) features, this powertrain ensures you can tackle any marine environment with confidence and ease.

Whether you are a recreational boater, a competitive sports fisherman, or an exotic yacht owner, the Crusader 8.1 HO MPI stands out as the ideal powerhouse solution for smooth, powerful, and responsive operation.


  • Estimated Price: $21,500 - $24,000*

(*Price may vary depending on the dealer and location.)

Key Features

  1. High Output Performance: Generates an impressive 437.8 HP for robust marine propulsion.
  2. Multipoint Fuel Injection (MPI): Advanced fuel injection system for improved fuel efficiency and reduced emissions.
  3. Durability: Built to withstand harsh marine conditions, with corrosion-resistant components and robust engineering.
  4. Smooth Operation: Engineered for quiet and smooth performance, reducing noise and vibration.
  5. Ease of Maintenance: Designed for easy access to service points, simplifying routine maintenance tasks.
  6. Comprehensive Monitoring: Integrated electronic controls and diagnostics for real-time monitoring of engine performance.
  7. Versatile Application: Suitable for a variety of marine vessels including pleasure craft, sport fishing boats, and cruisers.

Technical Specifications

  • Engine Type: V8
  • Displacement: 8.1 liters
  • Horsepower: 437.8 HP
  • Fuel System: Multipoint Fuel Injection (MPI)
  • Cooling System: Closed cooling (with Heat Exchanger)
  • Ignition System: Electronic ignition
  • Alternator: 70 AMP
  • Fuel Requirement: Unleaded gasoline (89 octane minimum)
  • Max RPM: 5000 RPM
  • Weight: Approximately 1,035 lbs
  • Oil Capacity: 8.2 quarts
  • Dimensions (LxWxH): 33" x 35" x 27"
  • Warranty: 2 years limited warranty

Marine Applications

  • Pleasure Boats: Ideal for recreational boating, providing smooth acceleration and dependable power for water activities like waterskiing and wakeboarding.
  • Sport Fishing Boats: Offers the reliability and strength needed for long fishing trips and navigating through rough waters.
  • Cruisers: Ensures a comfortable and quiet ride enhancing the overall cruising experience.
  • Yachts: Adds a layer of luxury with its smooth performance and advanced technology.
  • Patrol and Rescue Boats: Trusted for its durability and power, critical for emergency and rescue operations.
  • Charter Boats: Provides excellent performance and reliability ensuring a safe and enjoyable experience for passengers.

With the Crusader Engines 8.1 HO MPI 437.8HP, you get unmatched marine power, backed by a brand renowned for excellence and reliability. Make your marine endeavors more adventurous, smooth, and efficient with this top-tier engine.

[Product Type: Engine]

Product Specifications

Power 437.8 HP (326.42kw)

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