John Deere Marine: 6090AFM85

6090AFM85
Marine Propulsion Engine
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9.0L PowerTech™
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213-317 kW (285-425 hp)
Features
High torque and low rated RPM
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High torque provides excellent vessel control and maneuverability. Lower rated propulsion RPM reduces vibration and noise for improved crew comfort.
4-valve cylinder head
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Excellent airflow through 4-valve cylinder head delivers greater low-speed torque and better transient response time.
High-pressure common-rail (HPCR)
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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
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Integrated components eliminate external hoses and fittings. Wet exhaust manifold creates a cooler and quieter environment for passengers and crew.
Replaceable cylinder liners
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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)
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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
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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
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Either-side oil fill/dipstick combinations and remote oil and fuel filter options are available for easier service access.
Specifications
Emissions Certifications
EPA Tier 3
IMO Tier 2
RCD 2
General Data (based on standard option configuration)
1055 (2326)
665 (26.2)
Model
Number of cylinders
Displacement-- L (cu in)
Bore and Stroke-- mm (in)
Engine Type
Aspiration
Length to rear face of flywheel housing - mm (in)
Length - mm (in)
Width Maximum - mm (in)
6090AFM85
6
9.0 (549)
118 x 136 (4.65 x 5.35)
In-line, 4-cycle
1027 (40.4)
Turbocharged and air-to-coolant aftercooled
1712 (67.4)
1415 (55.7)
Flywheel housing SAE
2
Height - mm (in)
Height, crankshaft centerline to top - mm (in)
984 (38.7)
Height, crankshaft centerline to top - mm (in)
Height - mm (in)
319 (12.6)
Engine Specifications
Performance Rating
M1
M2
Power KW (bhp)
Rated Speed (rpm)
Rated fuel consumption {L/hr(gal/hr)}
64.6 ( 17.1 )
2100
213 ( 286 )
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
<=65%
M1 - Typical annual usage (hr)
M1 - Typical full-power operation (hr)
M1 - Typical load factor
Unrestricted
Uninterrupted
>65%
M2 - Typical annual usage (hr)
000-5
M2 - Typical full-power operation (hr)
16 of each 24 hr
M2 - Typical load factor
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
<=40%
M4 - Typical full-power operation (hr)
1 of each 12 hr
M4 - Typical load factor
