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9.0L PowerTech™

6090HFM85

The John Deere 6090HFM85 is built to provide reliable auxiliary power for commercial and recreational vessels operating in challenging marine environments. Powered by John Deere’s proven 9.0L PowerTech™ platform, this turbocharged and aftercooled diesel engine delivers 325 horsepower while providing the durability and performance required for continuous-duty operation.

Advanced electronic engine controls continuously monitor critical engine functions to help protect engine components and maximize uptime. Combined with a four-valve cylinder head, Electronic Unit Injector (EUI) fuel system, and air-to-air aftercooling, the 6090HFM85 delivers strong low-speed torque, efficient fuel consumption, and dependable performance. Its rugged design and marine-certified components make it an ideal solution for fishing vessels, passenger vessels, workboats, and auxiliary marine systems that rely on consistent power day after day.

Features & Benefits

Advanced Engine Controls

Electronic controls monitor critical engine functions and provide diagnostics to help prevent downtime and reduce maintenance costs.

Four-Valve Cylinder Head

Excellent airflow improves low-speed torque and engine response for demanding marine applications.

Electronic Unit Injector Fuel System

Precise fuel delivery helps improve efficiency, optimize performance, and support emissions compliance.

Air-to-Air Aftercooling

Reduces intake air temperatures to improve fuel economy, performance, and overall engine efficiency.

Built for Marine Service

Water-cooled exhaust components and ABS-approved marine components help ensure dependable operation in harsh marine environments.