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   [Outboard Engines](/articles/outboard-engines)# First Test of a 300-Hp Cox CXO Diesel Outboard

 Jun 05, 2023

 

 [ Twitter ](https://twitter.com/intent/tweet/?text=First%20Test%20of%20a%20300-Hp%20Cox%20CXO%20Diesel%20Outboard&url=https%3A%2F%2Fboattest.com%2Farticle%2Ffirst-test-300-hp-cox-cxo-diesel-outboard.md&hashtags=boattest&via=&related=&in-reply-to=)[ WhatsApp ](whatsapp://send?text=Check%20out%20this%20page%20-%20%20https%3A%2F%2Fboattest.com%2Farticle%2Ffirst-test-300-hp-cox-cxo-diesel-outboard.md)[ Share on facebook ](https://www.facebook.com/dialog/feed?app_id=966242223397117&name=First%20Test%20of%20a%20300-Hp%20Cox%20CXO%20Diesel%20Outboard&link=https%3A%2F%2Fboattest.com%2Farticle%2Ffirst-test-300-hp-cox-cxo-diesel-outboard.md&caption=&description=&picture=&source=&ref=&display=popup)[ Email ](mailto:?subject=Share%20this%20article&body=Check%20out%20this%20page%20%22First%20Test%20of%20a%20300-Hp%20Cox%20CXO%20Diesel%20Outboard%22%20-%20https%3A%2F%2Fboattest.com%2Farticle%2Ffirst-test-300-hp-cox-cxo-diesel-outboard%0D%0A) 

 

 

 

  var videoData = {"video_carousel_display":"inline","video_carousel":{"dealer_info":false,"items":[{"title":"COX CXO300 Diesel Outboard 2023 Performance & Features Inspection by BoatTEST","image":{"src":"\/sites\/default\/files\/media-icons\/generic\/video.png","alt":""},"url":"https:\/\/player.vimeo.com\/video\/832103425"}]}}; We test the 300-hp Cox CXO300 diesel outboard and show how her prodigious torque gets boats on plane faster as well as providing substantial fuel economy making for longer range.

- [Ring Power](https://equipment.ringpower.com/cox-marine?x-makeswift-host=equipment.ringpower.com)