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6090HFM85 Variable Speed
The John Deere 6090HFM85 is engineered to provide dependable auxiliary power for commercial and recreational vessels operating in challenging marine environments. Built on John Deere’s proven 9.0L PowerTech™ platform, this turbocharged and aftercooled diesel engine delivers 325 horsepower while providing the reliability, efficiency, and performance required for variable-speed marine applications.
Advanced electronic engine controls, Electronic Unit Injector (EUI) technology, and a four-valve cylinder head work together to deliver strong low-speed torque, responsive performance, and efficient fuel consumption. Combined with marine-certified components and ABS approval, the 6090HFM85 is an excellent choice for hydraulic systems, pumps, deck equipment, and other auxiliary applications that require dependable power and long service life.
Features & Benefits
Electronic Unit Injector Fuel System
Advanced fuel injection technology provides precise fuel delivery for improved efficiency, performance, and emissions compliance.
Advanced Electronic Controls
Integrated engine diagnostics and monitoring help maximize uptime while protecting critical engine components.
Four-Valve Cylinder Head
Cross-flow cylinder head design improves airflow, delivering strong low-speed torque and responsive engine performance.
Air-to-Air Aftercooling
Efficient intake air cooling improves fuel economy while maintaining peak torque and engine response.

