John Deere announces new marine engines

Deere & Company has launched new marine engines – the JD14 and JD18 – with production due to begin in 2026.
The new additions to the marine product portfolio will provide marine customers with heavier duty cycles and a power range, from 298kW up to 599kW (400hp up to 803hp).
“The vessels powered by our marine engines are part of hardworking, relentless commercial operations that need uncompromising power and reliability,” says Pierre Guyot, senior vice president of John Deere Power Systems. “With the JD14 and JD18 marine engines, we’re able to deliver high performance and excellent fuel efficiency while providing the rugged durability our marine engines have become known for in the industry. We’re thrilled to demonstrate our commitment to the marine industry through these new engines and to serve a new power class.”
The JD14 John Deere marine engine is designed for use in passenger vessels, pilot boats, and various workboat and pleasurecraft applications. The 13.6l, six-cylinder engine has an anticipated power range of 298kW to 599kW (400 up to 803 hp). The JD14 marine engine will feature a reduced package size compared to the John Deere 13.5l 6135SFM85.
The JD18 marine engine is designed for commercial fishing, passenger vessel, and tugboat markets with a 18.0l displacement and anticipated power levels of 410kW to 599kW (550hp up to 803hp). The JD18 engine will provide up to 522kW (700hp) of power at the M1 rating and up to 599kW (803hp) of power at the M2 rating.
In addition to the M propulsion ratings, both the JD14 and JD18 engines will be available with variable-speed auxiliary and constant-speed auxiliary and generator ratings.
The JD14 or JD18 marine engine also features a high-pressure common-rail (HPCR) fuel system designed to optimise fluid consumption and help boost fuel economy for commercial operations facing tightening margins.
Rear gear train provides customers with up to two rear PTOs and capacity for auxiliary power. An overhead camshaft design and hydraulic lash adjusters aim to achieve better valve fit and eliminate valve lash maintenance.
The engines claim a higher duty cycle* and up to a 500-hour extended fluid service interval, keeping vessels at work on the water longer. *Compared to the John Deere 13.5l 6135SFM85
The JD14 and JD18 marine engines will be IMO Tier 2, EPA Tier 3, and EU RCD II certified. They will also be compatible with renewable diesel fuel and biodiesel blends.
“John Deere is known for its iconic agriculture equipment, and our engines are designed to keep farmers’
equipment working hard in the fields,” says Michael Lefebvre, manager – global marketing and product
strategy. “People may not realise it, but commercial fishermen and farmers have a lot in common when it comes to their power needs, including heavy duty cycles, easy-to-service components, and optimised fuel economy. Using our industrial engines as a strong foundation, we are proud to bring these tough power solutions to the marine market and to offer even more value to our customers.”
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