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6090SFM85

Variable Speed Auxiliary

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6090SFM85 Variable Speed Auxiliary Marine Engine on a white background (1st thumbnail)

9.0L PowerTech™
242-410 kW (325-550 hp)

Features

Features

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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.

Turbocharged with air-to-seawater aftercooling

Cooler turbocharger operation enables higher ratings and efficiencies for applications that require high power or speed.

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.

Heat exchanger

High-capacity heat exchanger provides reliable operation in adverse conditions.

Multiple service options

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

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Specifications

Specifications

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Specifications

John Deere

6090SFM85

Variable Speed Auxiliary

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Emissions Certifications

IMO Tier 2

General Data (based on standard option configuration)

Model	6090SFM85
Number of cylinders	6
Displacement– L (cu in)	9.0 (549)
Bore and Stroke– mm (in)	118.4 x 136 (4.66 x 5.35)
Engine Type	In-line, 4- Cycle
Aspiration	Air-to-sea water
Length – mm (in)	1712 (67.4)
Width Maximum – mm (in)	974 (38.3)
Length to rear face of flywheel housing – mm (in)	1415 (55.7)
Flywheel housing SAE	2
Height – mm (in)	983 (38.7)
Height, crankshaft centerline to top – mm (in)	664 (26.1)
Height, crankshaft centerline to bottom – mm (in)	319 (12.6)
Weight, dry – kg (lb)	1056 (2328)

Engine Specifications

Performance Rating	Power KW (bhp) Rated Speed (rpm) Rated fuel consumption L/hr(gal/hr)
M1	242 ( 325 ) 2100 65.4 ( 17.3 )
M2	280 ( 375 ) 2200 77.6 ( 20.5 )
M3	317 ( 425 ) 2300 87.4 ( 23.1 )
M4	373 ( 500 ) 2400 107.1 ( 28.3 )
M5	410 ( 550 ) 2500 115.6 ( 30.5 )
H	242 (325) 2000 63.2 (16.7)

M and H 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%
M5 – Typical annual usage (hr)	000 hr
M5 – Typical full-power operation (hr)	0.5 of each 8 hr
M5 – Typical load factor	<=35%
H – Typical annual usage (hr)	Unrestricted
H – Typical full-power operation (hr)	Uninterrupted
H – Typical load factor	≤ 70%

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