Dirona vessel

John Deere Marine Engine Repower

Repower with a John Deere Marine Engine

Repowering your vessel with a John Deere marine engine gives you an effective blend of pure power and rugged durability. Our complete, high-horsepower lineup offers engines that build power fast for cruising at higher speeds with lower rpm.

Our engines are built for long life, reliable performance, fuel efficiency, quiet operation, ease of access to major parts, and simplified integration.

Plus, with our high-quality customer service and extensive marine dealer network — including John Deere parts and service — we're prepared to support you wherever your adventure leads.

Factors to Consider When Repowering Your Marine Engine

serenity vessel engine

Technical Factors

There are various specs and technical factors you should consider for a successful marine engine repower.

  • Propeller match
  • Transmission compatibility
  • Propeller and driveline shafting
  • Engine installation
  • Engine and transmission controls
  • Serviceability
kingston vessel engine

Financial Factors

Beyond the upfront cost, there are many financial factors that can impact your marine repower.

  • Recommended maintenance intervals
  • Cost of replacement parts
  • Fuel requirements
  • Total fluid consumption
  • Financial grants
dirona vessel engine

Operational Factors

When deciding to repower your boat, it’s important to make sure you’re taking operational factors into account.

  • Predicted reliability
  • Increased vessel speed
  • Reduction in noise
  • Impact on overall profitability

I’ve been very happy with the John Deere engines we selected for our vessel. The service and support we received throughout our journey was outstanding.

Peter Gebhard, owner, Krogen Expedition 55

Before Contacting Your John Deere Marine Dealer

An engine repower provides the opportunity to increase propulsion power and vessel speed. Be prepared to discuss the following criteria with your John Deere marine dealer who will help find the right repower solution for you.

Repowering a Propulsion Engine

  • Vessel type
  • Hull type
  • Current engine horsepower and rpm
  • Current propulsion system and propeller (shaft size, pitch, and number blades)
  • Alternator size
  • Auxiliary power needs, if any
  • Cooling system (keel or heat exchanger)
  • Cruising speed and percentage of time spent at cruising speed
  • Typical operating mode
  • Towing or pushing and percentage of time doing either

Repowering a Generator Drive Engine

  • Current engine(s) used and horsepower
  • KW output (typical load factor)
  • Cooling system (keel or heat exchanger)