Description

Mercury 400HP Verado V10 Counter Rotation Outboard | Digital Throttle & Shift, Electric Start, 35″ Shaft | 400CXXXL

The Mercury 400HP Verado V10 400CXXXL is engineered for boaters who demand maximum offshore capability, precision control, and exceptional reliability. Powered by Mercury’s advanced 5.7L naturally aspirated V10 engine, this counter-rotation outboard delivers outstanding torque, smooth acceleration, and remarkable fuel efficiency. Featuring an extra-extra-extra-long 35-inch shaft and Mercury’s advanced SmartCraft® technologies, the 400CXXXL Verado is ideal for large offshore vessels and multi-engine installations requiring superior performance and control.

Powerful 5.7L V10 Performance

At the heart of the Mercury 400CXXXL Verado is a robust 5.7-liter V10 powerhead that delivers exceptional horsepower, impressive torque, and smooth power delivery throughout the RPM range.

Designed for demanding offshore applications, the naturally aspirated V10 offers:

• Rapid acceleration
• Excellent fuel efficiency
• Strong mid-range torque
• Reliable long-distance cruising
• Outstanding durability
• Smooth and responsive performance

Whether navigating rough offshore conditions or cruising at high speeds, the 400CXXXL Verado delivers confidence-inspiring power.

Counter Rotation for Multi-Engine Setups

The 400CXXXL features Mercury’s counter-rotation configuration, making it ideal for twin, triple, and quad-engine applications.

Benefits of Counter Rotation:

• Improved vessel balance
• Enhanced steering control
• Reduced steering torque
• Better low-speed maneuverability
• Increased docking precision
• Improved offshore stability

Counter-rotating engines work together to provide smoother handling and more predictable performance.

Digital Throttle & Shift Technology

Mercury SmartCraft® Digital Throttle & Shift (DTS) technology delivers precise engine control and seamless operation.

Advantages Include:

• Instant throttle response
• Smooth gear engagement
• Quiet shifting
• Improved docking performance
• Enhanced maneuverability
• Reduced operator fatigue

The DTS system provides effortless control in all operating conditions.

Exceptionally Smooth and Quiet Operation

Mercury’s Advanced MidSection (AMS) system isolates vibration and significantly reduces engine noise for an exceptionally refined boating experience.

AMS Benefits:

• Reduced vibration
• Quiet cruising
• Improved passenger comfort
• Minimal engine noise
• Enhanced onboard communication
• Smoother operation at all speeds

The result is one of the quietest and most comfortable outboard platforms available.

Adaptive Speed Control

Adaptive Speed Control automatically maintains the selected engine RPM despite changing conditions or vessel loads.

Key Benefits:

• Consistent cruising speed
• Improved fuel efficiency
• Reduced throttle adjustments
• Better performance in rough water
• Easier towing and low-speed operation
• Enhanced overall handling

The system continuously monitors and adjusts engine output to maintain optimal performance.

Precision Gearcase Design

The Verado gearcase is engineered for maximum efficiency, stability, and handling performance.

Features Include:

• Reduced hydrodynamic drag
• Improved fuel economy
• Enhanced high-speed stability
• Excellent low-speed maneuverability
• Strong propeller grip
• Fast hole-shot acceleration

This advanced design ensures confident operation both offshore and around the docks.

Ideal Applications

The Mercury 400CXXXL Verado V10 is ideal for:

• Large offshore fishing boats
• Center console vessels
• Luxury cruisers
• Multi-engine offshore installations
• Commercial vessels
• Performance boats
• Long-range offshore applications

Its 35-inch shaft length makes it particularly suitable for larger transoms and specialized offshore configurations.

Technical Specifications

Engine Specifications

• Engine Type: Mercury 400CXXXL Verado V10 Counter Rotation Four Stroke
• Horsepower: 400 HP
• Cylinders: V10
• Displacement: 5.7L
• Fuel System: Electronic Fuel Injection (EFI)
• Induction System: Naturally Aspirated Performance-Tuned Intake Manifold
• Full Throttle Range: 5800-6400 RPM

Controls

• Digital Throttle & Shift (DTS)
• Smart Start Electric
• Advanced Electro-Hydraulic Steering

Dimensions

• Shaft Length: 35″ XXX-Long
• Weight: 729 lbs

Standard Features

• Counter Rotation
• Power Trim & Tilt
• Mounting Hardware
• Tool Kit
• Owner’s Manual

Warranty

• Mercury Marine 3-Year Limited Warranty

Frequently Asked Questions

What type of boat is the Mercury 400CXXXL Verado best suited for?

The Mercury 400CXXXL Verado is ideal for large offshore fishing boats, center consoles, luxury cruisers, and commercial vessels requiring maximum offshore performance.

What does counter rotation mean?

Counter rotation means the propeller rotates opposite to a standard rotation engine, improving balance, steering control, and performance in multi-engine installations.

Does the Mercury 400CXXXL Verado come with Digital Throttle & Shift?

Yes. The engine comes standard with Mercury SmartCraft® Digital Throttle & Shift (DTS) technology.

What shaft length does this model feature?

This model features a 35-inch XXX-Long shaft designed for larger vessels and specialized offshore applications.

How much horsepower does the Mercury 400CXXXL Verado produce?

The Mercury 400CXXXL Verado produces 400 horsepower from its advanced 5.7L V10 powerhead.

What fuel system does the Mercury 400CXXXL Verado use?

The engine utilizes Electronic Fuel Injection (EFI) for efficient fuel delivery and optimized performance.

Is the Mercury 400CXXXL Verado suitable for offshore use?

Yes. The Verado V10 platform is specifically engineered for offshore boating, delivering exceptional reliability, comfort, and performance in challenging conditions.

Does the Mercury 400CXXXL Verado include a propeller?

No. Propellers are sold separately to allow owners to choose the ideal propeller for their vessel and boating needs.

What warranty comes with the Mercury 400CXXXL Verado?

The outboard is backed by Mercury Marine’s 3-Year Limited Warranty.

What makes the Verado V10 series unique?

The Verado V10 combines a naturally aspirated 5.7L V10 engine, Advanced MidSection (AMS) technology, Adaptive Speed Control, Digital Throttle & Shift, and premium refinement to deliver one of the most advanced outboard experiences available.