Cox News

How does the CXO300 compared to a gasoline equivalent?

Find out how the Cox 300hp diesel outboard compares to other propulsions systems on the market in fuel consumption and CO2 emissions. The commercially rated CXO300 delivers highly competitive performance, including 479 lb.ft torque (650Nm) at 2250-3000 revolutions per minute. This low RPM, paired with exceptional torque amounts to the beneficial fuel savings of up to 25%, compared to that of a gasoline outboard.

Cox Diesel Outboard Meets Strict Emissions Rule

Cox Powertrain’s CXO300 diesel outboard received Lake Constance emissions approval BSO-II, allowing operation of the engine on the highly regulated European lake. Bordering Germany, Switzerland and Austria, Lake Constance is governed by the Lake Constance Shipping Regulations, which safeguards the lake.

JMS designs 53 foot tankship with diesel outboard propulsion

A self-propelled, 53- by 18-foot, 10,000 gallon, USCG inspected, double-hull tankship designed by JMS Naval Architects, Mystic, Conn., is unique for its compact size and diesel outboard propulsion. Propulsion is provided by a pair of 300 HP high performance Cox Powertrain CXO300 diesel outboard engines made by COX Marine. The four-stroke, V8 CXO300 delivers a combination of high power, high torque, and single fuel, enabling it to offer the same performance and efficiency of an inboard, but with the convenience and flexibility of an outboard.

Cox to Ramp up Production of the CXO300 Outboard Engine

Cox Powertrain, a British manufacturer of high-power diesel outboard engines, announced it has raised £9 million from existing shareholders and a further £3 million loan from HSBC UK Equipment Finance to allow the company to expand and ramp up production of the CXO300 outboard engine. Since 2007, Cox Powertrain has been continuously backed by private investors. Production of the CXO300 began in May 2020 and since then, the CXO300 has been shipped to more than 16 territories across the globe.


Cox Powertrain, a British manufacturer of high-powered diesel outboard engines for the global marine industry, is pleased to announce it has raised £9m from existing shareholders, together with a £3m loan from HSBC UK Equipment Finance, to allow the company to expand and ramp up production of its CXO300 diesel outboard.

First Iguana Commuter Yacht Tender Powered by 300hp Diesel Outboard

British diesel outboard specialist, Cox Powertrain, has been shipping the CXO300 300hp diesel outboard engine across the globe to its distributor network since production began in May 2020. Now, eight months on, the French amphibious boat builder, Iguana Yachts, has successfully commissioned its first Cox diesel-powered vessel, which will be used as a tender to the 142m superyacht, NORD.

Cox Powertrain Launches Exclusive Engine Management App

SHOREHAM-BY-SEA, UK – 26th January 2021- British diesel outboard specialist, Cox Powertrain has announced a new generation of mobile boating technology with the launch of its Coxswain™ app – a powerful new engine management application that enables customers to access aftersales support for their Cox diesel outboards at the touch of a button. The Coxswain™ app is the first of its kind in the marine industry and has been developed as part of Cox Powertrain’s drive to deliver unrivaled aftersales service for its customers, supported by an exemplary global distributor and dealer network.

St. Johns Ship Building develops new landing craft design

Among the first vessels in the U.S. to be powered with the new 300 hp diesel outboards from Cox Powertrain is likely to be a new series of 87 foot long by 30 foot beam landing craft currently under development by St. Johns Ship Building, Palatka, Fla. The Cox Powertrain CXO 300 diesel outboard successfully achieved EPA Tier 3 approval for commercial and recreational applications earlier this year.

Cox Distributor debuts the CXO300 to deliver Christmas presents to underprivileged children

Texas Diesel Outboard took part in the 2020 Freeport to Port O’Connor Toy Run in Texas using their Invincible boat with a triple installation of the CXO300. Shoreham, UK – 10th December 2020 – On Saturday 5th December, Cox Powertrain’s Texan distributors, Texas Diesel Outboard, took their Cox powered invincible boat on the annual POC Toy Run. The POC Toy Run is a charity event that works towards donating toys and gifts to underprivileged children in the Port O’Connor area. After successful sea trials of the triple installation of the CXO300 diesel outboard, Texas Diesel Outboard were keen to put the outboards through their paces, and what better way to do that, than a 72 mile trip down the coast, for a great cause.

Behind the scenes; An Interview with Jeremy Attridge, Cox Powertrain Operations Director

In Episode 1 of our mini-series 'Behind the scenes: An interview with...', we sat down with Jerry Attridge, Operations Director, to find out more about his t...