Diesel outboards powering premium leisure marine adventures
Experience safe, efficient and eco-friendly propulsion for unforgettable days on the water
Designed for premium recreational conditions
Built for leisure
The V8 diesel outboard combines exceptional power delivery, smooth operation, and impressive fuel economy, raising the bar for recreational propulsion.
Engineered for diverse environments
Whether navigating the coastal waters of Florida, cruising the bays of California, or enjoying inland lake and river adventures, our outboards are designed to perform reliably in every marine environment.
Backed by a nationwide network
With a comprehensive support network covering key US regions, Cox Marine ensures that your vessel receives the local dealer support, rapid service, and technical expertise you need – whenever and wherever you cruise.
Supporting memorable marine experiences across the USA
Eliminate ignition risk
Safety first
Compression-ignition diesel eliminates the spark-ignition risk of petrol engines, ensuring a safer experience in busy marinas and when manoeuvring in confined harbours.
Better fuel efficiency
Extended cruising range
With up to 30 per cent better fuel efficiency than petrol alternatives, our outboards let you travel further and stay out longer – ideal for extended coastal cruises or adventurous fishing trips.
Extended service intervals
Low maintenance, high enjoyment
Robust marine engineering and extended service intervals mean less time on upkeep and more time spent enjoying the water.
The recreational advantage of diesel
Safety first
Our diesel engines use compression ignition, eliminating the risk of gasoline-induced explosions – a vital assurance for boaters who value the safety of family, friends, and passengers.
Extended cruising range
With up to 30% greater fuel efficiency over gasoline alternatives, Cox outboards empower recreational vessels to travel farther and stay out longer – ideal for off-shore fishing, prolonged cruises, or exploring remote waterways.
Low maintenance, high enjoyment
Built with rugged reliability and extended service intervals, the V8 means less time in the shop and more time on the water, so boaters can focus on what matters most – making memories.
The Cox Marine V8
Your Engine, Your Way
Build Features

1. Twin Turbo Engine
The V8 has twin turbos that generate significantly more torque at lower RPM and maintain power across engine speeds.
2. Vertical Crankshaft
The vertical design allows for efficient packaging and direct drive of the transmission, providing closer transom spacing for multiple installations.
3. Power Distribution Module
Equipped with self-resetting fuses, this module allows for active power management of the outboard power systems.
4. Electronic Controls & Steering
The Optimus steering enhances control of your vessel. Compatibility with the NMEA200 makes it easy to install on a wide range of vessels.

5. Power Tilt -Trim
Designed in-house, the V8’s PTT bracket is built to withstand the toughest conditions and has undergone extensive durability testing.
6. Universal Transom Bolting Pattern
Allows easy installation to a wide range of vessels, making re-powering easier than ever.
7. Transmission
The transmission has been specifically designed to withstand high torque, even in the most challenging sea conditions.
8. Standard Propeller Spline
1.25 “19-tooth spline output ensures both durability and compatibility with a range of industry-standard hub kits and propellers.
Performance Data

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