John Deere Marine: 6068TFM50
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6068TFM50
Marine Propulsion Engine
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6.8L PowerTech™
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115-168 kW (154-225 hp)
Features
Watercooled turbocharger and exhaust manifold
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Cooler and quieter environment for vessel and crew
Replaceable wet-type cylinder liners
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Excellent heat dissipation
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Hardened and precision machined for long life
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Rebuild to original specifications
Corrosion resistant components
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Provides engine protection from the effects of seawater
Either-side service
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Oil fill and dipstick combinations
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Remote oil filter for easier service access
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Application and service flexibility to provide installation convenience plus fast and easy maintenance
Heat exchanger or keel-cooled
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High-capacity heat exchanger designed for reliable operation in adverse conditions
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Integrated expansion tank, heat exchanger and exhaust manifold
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Keel cooler or heat exchanger options provide application flexibility
High torque and low rated RPM
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Enables the engine to turn larger propellers at lower speed for best efficiency
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Excellent vessel control and maneuvering
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Lower rated rpm limits vibration and noise for better crew comfort
Fuel system
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Proven and reliable Mechanical Governor
Specifications
Emissions Certifications
Non-Certified
General Data (based on standard option configuration)
Weight, dry - kg (lb)
730 (1609)
Model
Number of cylinders
Displacement-- L (cu in)
Bore and Stroke-- mm (in)
Engine Type
Aspiration
Height-- mm (in)
Length - mm (in)
Width Maximum - mm (in)
6068TFM50
6
6.8 (415)
106 x 127 (4.17 x 5.00)
In-line, 4-cycle
712 (28.0)
Turbocharged
1141 (44.9)
881 (34.7)
Engine Specifications
Performance Rating
M1
M2
Power KW (bhp)
Rated Speed (rpm)
Rated fuel consumption {L/hr(gal/hr)}
115 ( 154 )
2300
130.5 ( 175 )
2400
36.3 ( 9.6 )
M3
149 ( 200 )
2500
M4
168 ( 225 )
2600
46.8 ( 12.4 )
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
<=40%
M3 - Typical annual usage (hr)
M3 - Typical full-power operation (hr)
M3 - Typical load factor
000-4
4 of each 12 hr
<=50%
M4 - Typical annual usage (hr)
000-3
M4 - Typical full-power operation (hr)
1 of each 12 hr
M4 - Typical load factor
