Mercury 400hp Verado V10 400XL

The Mercury 400hp Verado V10 400XL is engineered for boaters who want maximum naturally aspirated horsepower with refined comfort and digital control. Its 5.7L V10 powerhead delivers immense torque and linear acceleration, while the 25” X-Long shaft fits taller transoms common on offshore fishing boats and performance cruisers.

Built to command big water, the 400XL pairs raw power with SmartCraft® technologies that make handling effortless in changing conditions.

Features and Performance

• 5.7L V10 Naturally Aspirated Powerhead – Massive torque with smooth, predictable delivery

• 400 Horsepower Output – Ideal for single, twin, or triple offshore setups

• 25” X-Long Shaft – Optimized for taller transoms and offshore hulls

• Digital Throttle & Shift (DTS) – Ultra-smooth shifting and instant response

• Advanced MidSection (AMS) – Reduces vibration and engine noise for a quieter ride

• Adaptive Speed Control – Holds RPM through swells, turns, and load changes

• Precision Gearcase – Stable at high speed; confident control at low speed

Why You Should Buy It

• Flagship Verado V10 power without supercharging complexity

• Smooth, quiet, and refined for long offshore runs

• Perfect balance of performance, reliability, and comfort

• Ideal for premium offshore fishing and cruising boats

• Backed by Mercury Marine with a 3-Year Factory Warranty

If your boat needs top-tier V10 power with an X-Long shaft, the 400XL is a proven offshore solution.

FAQ – Mercury 400hp Verado V10 400XL

Q1: What boats are best suited for the 400XL?
Large center consoles, offshore fishing boats, and performance cruisers with 25” transoms.

Q2: Is the 400 Verado supercharged?
No. It uses a naturally aspirated 5.7L V10, delivering strong torque and simplified ownership.

Q3: Is Digital Throttle & Shift included?
Yes. DTS is standard for precise, smooth control.

Q4: Can the 400XL be used in multi-engine configurations?
Yes. Commonly installed in twin or triple Verado offshore setups.