Cox Marine V8 Technical Specification

As the manufacturer of the only purpose-built high-powered diesel outboard, we are working to power the global marine industry through sustainable innovation, applying alternative fuel sources, aiming to significantly reduce marine emissions and the total cost of ownership for our customers.

Cox Marine

Miami, Florida, United States of Americas – 14 February 2024

The world’s most powerful V8 diesel outboard family is launched along with Cox Marine’s latest campaign, ‘Here’s to the Pioneers’.

This campaign identifies inspirational individuals from the past and present who have created the kind of “Hell, Yeah!” moments for which Cox Marine is increasingly known.

It marks the proud introduction of the latest addition to the Cox Marine product line-up, a 350-horsepower variant of their flagship V8 outboard.

Gavin Wesson, Chief Executive Officer of Cox Marine, said, “After reflecting on our mission to break new technological and engineering ground in the marine sector, ‘Here’s to the Pioneers’ is a fitting celebration of those that demonstrate ingenuity, dedication and vision.”

The British outboard manufacturer Cox Marine was co-founded by David Cox, who firmly believed that the days of unsafe gasoline outboards were numbered.

Wesson adds, “Believing there had to be a better way was the thought that inspired our pioneering journey to develop a lightweight outboard powered by alternative fuel options to gasoline that meant not having to compromise on what is important.”

“The launch of our first product, the Cox Marine 300 – a 4.4 litre, twin-turbo, 300-horsepower V8, made that vision a reality.
“Deciding to design our outboard from a blank sheet of paper allowed us to push ourselves ahead, creating a platform that enables further growth, development, and, more importantly… serious power!”

With that, Cox Marine introduces the newest member of its product line-up, the Cox Marine 350, the latest in The V8 family - an outboard that sets new standards in fuel economy, power delivery and safety.

Wesson adds, “The new 350 allows us to power higher-displacement vessels efficiently across recreational and commercial sectors, enabling us to work with new customers and enhance our from-factory offering with existing partners.

“Building on our tried-and-tested V8 architecture, the Cox Marine 350 is a testament to the capability of this platform, the technology within and its growth potential.”

With an increased turbo capacity, among other alterations to the entry-level option in the power range, the Cox Marine 300, this cutting-edge variant sets a new norm in what we should all expect from our marine propulsion units: an outboard that closes the gap to gasoline outboards more than any other.

Already proving its performance credentials, the Cox Marine 350 outboard propelled Cox Marine forward in breaking its speed record, powered by alternative fuels, in October last year.

Adam Gurr, Cox Marine’s Product Director, notes, “The creation of the V8 represented the start of a new generation of outboard technology, offering the only alternative propulsion solution purpose-built for the marine industry.

“The V8 meets the understandably increasing demand for a propulsion option that provides equal performance levels, convenience, time, and economy.”

Vice President of Ring Power’s Cox Marine Division, Pat Bucci, is excited to add the 350. “The U.S. leisure market is always seeking maximum torque and range. The 350 delivers that and more.  I know our customers will be queuing up to experience their own “Hell, Yeah!” moments thanks to the 350.”

The launch of the Cox Marine 350 marks the next chapter in Cox Marine’s ambition for cleaner, safer seas for everyone.

Cox Marine Realigns Commercial Strategy and Leadership to Fuel Global Expansion

Shoreham-by-Sea, UK – 05 May 2025

Cox Marine, the manufacturer of the world’s most powerful diesel outboards, announced today a series of changes to its commercial operations and sales leadership structure.

Over the past three years, Cox Marine has made great strides to deliver its first product to market—the 300 V8, the world’s first purpose-built, high-horsepower diesel outboard. Cox Marine is also progressing through the final validation stages for the market-disrupting 350 V8. These accomplishments represent key milestones in Cox Marine’s journey, marking the transition from a research and development business to series production.

With these changes, Cox Marine has completed its transition to a business-to-business (B2B) sales model with a defined growth strategy, a clear route to market, and strong, confident, and capable strategic distribution partners.

As the company moves its focus from research and development to high-volume manufacturing in a challenging, global change period, its commercial strategy is refined to maximise market penetration and achieve sustainable growth. Therefore, the business is making positive changes, enabling it to drive growth in target markets and deliver world-class outboards for safer and cleaner seas.
 

Strategic Leadership Appointments Drive New Commercial Era

To spearhead this refined commercial sales strategy, Cox Marine is pleased to announce the appointment of Hugh Hudleston as Business Development Director. Effective since 01 April 2025, this new role focuses on cultivating and securing substantial government and commercial contracts within strategically beneficial regions for the organisation.

Hugh has been with the organisation since August 2020, having joined as Head of Sales and held a series of senior positions within the sales function since, most recently as Regional Director for the Americas, for the last eighteen months, where, with the support of our distribution network, has worked to introduce Cox Marine’s V8 diesel outboards to key commercial and government operators.

The experience Hugh brings to his new, globally positioned Business Development role puts Cox Marine in a steadfast position to work with its strategic partners to continue establishing their V8 diesel outboards as the choice for professional boat operations.

Upon his appointment, Hugh Hudleston said: “I am delighted to be taking on this new role at such a pivotal time for Cox Marine. I look forward to working alongside our distributors and focusing our efforts on securing significant partnerships that will drive the next phase of the company’s growth.”

Reflecting the company’s strategic changes and the increased confidence and capability of its distribution network, their responsibilities will be shared amongst Cox Marine’s Business Development and Commercial Operations teams, as well as the proactive sales teams of our distribution partners.

Stephen Pitt, who remains as Head of Aftersales, reporting to James Eatwell, Cox Marine’s Technical Director, will have full responsibility for the global aftermarket support.

Gavin Wesson, Chairman of Cox Marine, commented: “This strategic evolution of our commercial team is a crucial step in our journey towards becoming a leading force in the high-horsepower outboard market. By consolidating our business development efforts and focusing on key strategic partnerships, we are well-positioned to capitalise on the significant opportunities ahead and achieve our goal of sustainable growth.”

Gemma Crocker, Network Development & Commercial Operations Director at Cox Marine, added: “The success of our ‘Fewer, Bigger, Better’ distribution strategy allows us to evolve our commercial structure confidently. By empowering strategically aligned, capable distributors with larger territories, we can focus our internal efforts on securing significant opportunities, knowing our network is well-equipped to drive broad market reach and provide exceptional customer support.”

These strategic leadership decisions within the commercial division support Cox Marine’s goal of targeted market growth and efficient commercial operations. The company is confident that this streamlined structure will enhance its ability to secure key partnerships and drive the global adoption of its high-performance outboard engines.

Cox Marine Announces Strategic Leadership Transition to Drive Series Production and Future Growth

Shoreham-by-Sea, UK – 03 June 2025

Cox Marine, the pioneering manufacturer behind the world’s most powerful diesel outboards, today announced a strategic evolution of its board and leadership team. This transition prepares the company for series production and the highly anticipated launch of its market-changing 350 V8 outboard, building on three years of focused product refinement and strategic market positioning.

As Cox Marine shifts its focus from research and development to high-volume series production, these leadership changes are designed to ensure continued growth and maintain the exceptional levels of service, reliability, and operational efficiency that Cox Marine’s partners and customers have come to expect.

New Leadership to Spearhead Next Chapter

Effective 1 July 2025, Gavin Wesson, the current Chief Executive Officer, will transition to the role of Non-Executive Chairman. In this capacity, Gavin will continue to provide invaluable strategic guidance, empowering the existing leadership team to develop further in their roles.

Cox Marine is pleased to announce that George Bramley has been appointed its new Chief Executive Officer, effective 1 July 2025.

While stepping into this leadership position, George will concurrently maintain his responsibilities as Chief Financial Officer. His proven expertise in strategic decision-making and financial management will be instrumental in driving the company’s growth, profitability, and long-term sustainability.

Further strengthening the executive team, James Eatwell, a long-standing member of the organisation with over a decade of experience, most recently as Technical Director, has been appointed Chief Technical Officer.

James will spearhead the company’s technological vision, providing direct technical leadership and aligning engineering and product improvement initiatives with overarching business objectives to enhance product and business performance. His deep technical knowledge and extensive experience will provide critical insights to the Board and the wider organisation.

Reflecting on these strategic changes, Gavin Wesson stated, “Leading Cox Marine’s day-to-day operations for the past three years has been an incredibly rewarding experience. I’ve thoroughly enjoyed working alongside the team as we’ve meticulously refined our product and strategically positioned ourselves to disrupt the high-horsepower outboard market.”

He continued, “With the imminent launch of our 350 V8, the time is right to evolve our leadership structure to prioritise series production and sustained growth. I have full confidence that George’s strategic vision and financial acumen, coupled with James’s extensive technical expertise and our Non-Executive Directors’ continued guidance, will propel Cox Marine to even greater heights in this exciting phase. I eagerly anticipate supporting them and the entire team in my new role as Non-Executive Chairman.”

George Bramley added, “I am honoured to take on the CEO role at such a pivotal moment for Cox Marine. The launch of the 350 V8 represents a significant milestone, and I am excited to lead the company through this crucial transition to series production and beyond. We have a remarkably talented team, and I am keen to support their continued success in their respective areas.”

Cox Marine’s Robust Leadership Team

After eight years of significant contributions, Adam Gurr, Cox Marine’s Programme Director, will depart the company at mid-year. During his tenure, Adam successfully spearheaded the delivery of key product campaigns and will remain with the business until the end of June to ensure a seamless transition to production readiness for the 350 V8. Cox Marine sincerely thanks Adam for his strong leadership and valuable contributions to the organisation’s success.

Gemma Crocker continues in her current role as Network Development & Commercial Operations Director, driving the business-to-business model through strategic network expansion, distributor management, marketing, warranty and product supply. Gemma continues to work alongside Hugh Hudleston, who was announced as Business Development Director at the start of this quarter.

Richard Lind also continues in his current role as Supply Chain Director, alongside Holly Cooper, who remains as People Director, and Petra Argent as Company Secretary, a role she has held at Cox Marine for the past twelve years.

This evolution of Cox Marine’s leadership team marks a significant step forward in the company’s journey. With a clear vision for the future, the imminent launch of a powerful new product, and a seasoned team at the helm, Cox Marine is well-positioned to capitalise on market opportunities and deliver unparalleled value to its partners and customers worldwide.

The technical introduction to the world's only 300 & 350hp diesel outboards designed from a blank sheet of paper, purposely for marine use

The Cox Marine V8 Technical Specification

The 350 V8 - White

The 300 V8 - White

The 350 V8 - Black

The 300 V8 - Black

The V8 represents the start of a new generation of marine outboard technology, offering an innovative alternative propulsion solution that helps to meet the increasing demand for outboards due to safety, convenience, and emissions.

The 350 V8 is the latest addition to Cox Marine’s line-up of high-performance diesel outboards. Built on the robust V8 architecture, it continues the legacy of the company's ground-breaking 300hp twin turbo V8, launched in 2018.

The Cox Marine V8 diesel outboard

The Cox Marine V8 - the only 300 & 350hp diesel outboards designed from a blank sheet of paper, purposely for marine use

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Welcome to the latest addition to Cox Marine’s V8 product family!

Cox Marine Realigns Commercial Strategy and Leadership to Fuel Global Expansion

Cox Marine Announces Strategic Leadership Transition to Drive Series Production and Future Growth

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