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(302) 398-3729
325 Walt Messick Road
Harrington, Delaware 19952
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John Deere 6090AFM85 Marine Propulsion Engine

New Products / John Deere Products / Engines and Drivetrain / Marine Engines / Propulsion Engines / 6090AFM85 Marine Propulsion Engine

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Features

High torque and low rated RPM

  • High torque provides excellent vessel control and maneuverability. Lower rated propulsion RPM reduces vibration and noise for improved crew comfort.

4-valve cylinder head

  • Excellent airflow through 4-valve cylinder head delivers greater low-speed torque and better transient response time.

High-pressure common-rail (HPCR)

  • The HPCR fuel system provides variable common-rail pressure, multiple injections, and controls fuel injection timing and provides precise control for the start, duration, and end of injection.

Water-cooled exhaust manifold

  • Integrated components eliminate external hoses and fittings. Wet exhaust manifold creates a cooler and quieter environment for passengers and crew.

Replaceable cylinder liners

  • Replaceable wet-type cylinder liners are precision-machined and hardened for long life. Allows engine to be rebuilt to original specifications.

Electronic engine control unit (ECU)

  • Advanced fault code diagnostics and customizable engine protections ensure reliability and uptime. Provides highly customizable features and trim to integrate your vessel.

Keel-cooled or heat exchanger

  • Closed cooling system in keel-cooled engine option eliminates the need for a sea strainer, seawater pump, or anodes. Heat exchanger option offers a lighter, more compact, and simpler engine installation.

Multiple service options

  • Either-side oil fill/dipstick combinations and remote oil and fuel filter options are available for easier service access.

Specifications

Emissions Certifications

IMO Tier 2  
EPA Tier 3  
RCD 2  

General Data (based on standard option configuration)

Model 6090AFM85
Number of cylinders 6
Displacement-- L (cu in) 9.0 (549)
Bore and Stroke-- mm (in) 118 x 136 (4.65 x 5.35)
Engine Type In-line, 4- Cycle
Aspiration Turbocharged and air-to-coolant aftercooled
Length - mm (in) 1712 (67.4)
Width Maximum - mm (in) 1027 (40.4)
Length to rear face of flywheel housing - mm (in) 1415 (55.7)
Flywheel housing SAE 2
Height - mm (in) 984 (38.7)
Height, crankshaft centerline to top - mm (in) 665 (26.2)
Height, crankshaft centerline to bottom - mm (in) 319 (12.6)
Weight, dry - kg (lb) 1055 (2326)

Engine Specifications

Performance Rating Power KW (bhp)
Rated Speed (rpm)
Rated fuel consumption L/hr(gal/hr)
M1 64.6 ( 17.1 )
2100
213 ( 286 )
M2 243 ( 326 )
2200
71.4 ( 18.9 )
M3 280 ( 375 )
2300
80.9 ( 21.4 )
M4 317 ( 425 )
2400
91.2 ( 24.1 )

M rating

M1 - Typical annual usage (hr) Unrestricted
M1 - Typical full-power operation (hr) Uninterrupted
M1 - Typical load factor >65%
M2 - Typical annual usage (hr) 000-5
M2 - Typical full-power operation (hr) 16 of each 24 hr
M2 - Typical load factor <=65%
M3 - Typical annual usage (hr) 000-4
M3 - Typical full-power operation (hr) 4 of each 16 hr
M3 - Typical load factor <=50%
M4 - Typical annual usage (hr) 000-3
M4 - Typical full-power operation (hr) 1 of each 12 hr
M4 - Typical load factor <=40%