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Diesel outboards for crew and maritime operations

Powering port authorities, workboats and offshore personnel transport with reliable diesel propulsion

Supporting daily operations across ports and offshore industries

From busy container terminals on the East Coast to inland river patrols on the Mississippi and crew transfers to offshore platforms, Cox Marine diesel outboards are built for 24/7 commercial service. Whether moving pilots in Boston Harbor or shuttling crews to offshore rigs in Texas, our V8 diesel engines deliver the endurance, efficiency and control that US operators demand.

Downtime is unacceptable in both harbor and offshore settings. Cox Marine outboards are engineered for continuous duty – offering long service intervals, spark-free safety and class-leading torque that keep your fleet running smoothly.

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Why US operators choose Cox Marine diesel outboards

Spark-free safety

Compression ignition removes petrol-engine explosion risk – a vital advantage in fuel-sensitive port areas and offshore zones.

Extended range and endurance

Better fuel economy than gasoline outboards lets you cover more miles between refuels – critical for long rotations.

Low maintenance, high reliability

Designed for heavy US commercial use, the Cox Marine V8 features extended service intervals and proven durability.

Responsive control

Peak torque at low RPM ensures smooth starts and precise handling, even when fully loaded or in rough seas.

Trusted across US maritime sectors

Cox Marine outboards support port authorities, pilot boat operators, inland waterway services and oil & gas crew transfers nationwide. With EPA Tier 3, IMO II and RCD II certification plus NMEA 2000 compatibility, Cox Marine delivers compliant, dependable power – from California to Maine.