6068SFM85Constant-Speed Auxiliary & Generator Engine

6.8L PowerTech™
168-195 kW (226-262 hp)

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6068SFM85

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Features

Features

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Optional low rpm operation

A lower speed option provides the user the ability to start the engine without going to the gen-set rated speed and allows the user to clutch in an accessory that may be driven by the engine.

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 higher injection pressures. It also controls fuel injection timing and provides precise control for the start, duration, and end of injection. Electronic transfer pump is self-priming for ease of maintenance. Provides high performance, excellent fuel economy, and low emissions.

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

6068SFM85

Constant-Speed Auxiliary & Generator Engine

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Emissions Certifications

IMO Tier 2

General Data (based on standard option configuration)

Model	6068SFM85
Number of cylinders	6
Displacement-- L (cu in)	6.8 (415)
Bore and Stroke-- mm (in)	106 x 127 (4.17 x 5.00)
Engine Type	In-line, 4-Cycle
Aspiration	Air-to-sea water
Length - mm (in)	1387 (54.6)
Length to rear face of flywheel housing - mm (in)	1172 (46.1)
Width Maximum - mm (in)	872 (34.3)
Flywheel housing SAE	3
Height - mm (in)	1002 (39.4)
Height, crankshaft centerline to top - mm (in)	711 (28.0)
Height, crankshaft centerline to bottom - mm (in)	291 (11.5)
Weight, dry - kg (lb)	763 (1682)

Calculated Generator-set Rating - 1800 RPM

Rated Speed Hz (rpm)	60 ( 1800 )
Generator efficiency %	88-92
Engine Power Prime kW (hp)	195 (261.5)
Power factor	0.8
Calculated generator set rating prime - kWe	172-179
Calculated generator set rating prime - kVA	215-224

Calculated Generator-set Rating - 1500 RPM

Rated Speed Hz (rpm)	50 ( 1500 )
Generator efficiency %	88-92
Engine Power Prime kW (hp)	168 (225.3)
Power factor	0.8
Calculated generator set rating prime - kWe	148-155
Calculated generator set rating prime - kVA	185-194

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