Name: Mercury 400hp Verado V10 400XXXL
Brand: Mercury
SKU: NM868718683
Price: 23970.00 USD
Availability: InStock

Description

Overview Mercury 400hp Verado V10 400XXXL

The Mercury 400hp Verado V10 400XXXL is purpose-built for extreme offshore applications where standard long, X-Long, or even XX-Long shafts are not enough. Featuring a 35” XXX-Long shaft , this model is ideal for very high-freeboard hulls, offshore catamarans, and specialized commercial or performance boats .

Powered by a 5.7L naturally aspirated V10 , the 400XXXL delivers immense torque with smooth, linear acceleration, paired with SmartCraft® digital technologies for effortless control in rough water.

Features and Performance

5.7L V10 Naturally Aspirated Powerhead – Massive torque with predictable, linear delivery
400 Horsepower Output – Confident thrust for heavy offshore hulls
35” XXX-Long Shaft – Designed for the tallest transoms and extreme offshore platforms
Digital Throttle & Shift (DTS) – Ultra-smooth shifting and instant throttle response
Advanced MidSection (AMS) – Dramatically reduces vibration and engine noise
Adaptive Speed Control – Holds RPM through swells, turns, and changing loads
Precision Gearcase – Stable at high speed with authoritative low-speed control

Why You Should Buy it

Longest-shaft Verado V10 400hp available
Built for extreme offshore and high-transom boats
Smooth, quiet, and refined for long offshore runs
Premium digital control and handling confidence
Backed by Mercury Marine with a 3-Year Factory Warranty

If your offshore platform demands maximum naturally aspirated power and a 35” shaft , the 400XXXL is engineered to deliver without compromise.

Specifications

Specification	Details
Engine Type	Verado V10 Four-Stroke
Horsepower	400 HP
Displacement	5.7 L
Cylinders	V10
Shaft Length	35” XXX-Long
Steering	Digital Throttle & Shift (DTS)
Starting System	Smart Start Electric
Full Throttle Range	5800 – 6400 RPM
Fuel System	Electronic Fuel Injection (EFI)
Induction	Naturally aspirated, performance-tuned intake
Weight	723 lbs
Warranty	Mercury Marine 3-Year Warranty

What’s Included

Mercury 400hp Verado V10 Outboard 400XXXL
Power Trim & Tilt
Mounting hardware
Tool kit
Owner’s manual

FAQ

Frequently Asked Questions About Mercury 400hp Verado V10 400XXXL

Where does the Mercury 400hp Verado V10 400XXXL fit in a boating setup?

The Mercury 400hp Verado V10 400XXXL is designed for extreme offshore applications. The row highlights 400 hp, Verado V10 Four-Stroke, digital throttle & shift (dts), and a 35” XXX-Long shaft for a clearly defined operating setup.

What engine configuration does this outboard use?

This outboard is listed with 400 HP, and Verado V10 Four-Stroke. The specification row adds 5.7 L of displacement and electronic fuel injection (efi) fuel delivery, which helps buyers compare how this motor is set up for smooth, straightforward operation.

How is this motor set up for steering and operation?

This model is listed with a 35” XXX-Long shaft, Digital Throttle & Shift (DTS) steering, and Smart Start Electric starting. Those details matter because they help buyers judge transom fit, helm style, and everyday operating convenience before choosing controls or rigging.

What kind of boat setup does this motor suit?

This outboard is aimed at boat setups that match its listed control and shaft arrangement. The row points to extreme offshore applications and highlights digital throttle and shift, Verado rigging emphasis, and a 35” XXX-Long shaft, helping buyers narrow it to the right helm and transom layout.

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