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left-front view of marine generator engine 6068TFM50 studio rendering

New equipment

John Deere Constant-Speed Auxiliary & Generator Marine Engines

6068TFM50

Constant-Speed Auxiliary & Generator Engine

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6.8L PowerTech™
89-115 kW (119-154 hp)

Features

Watercooled turbocharger and exhaust manifold

Cooler and quieter environment for vessel and crew
Reduced external connections

Replaceable wet-type cylinder liners

Excellent heat dissipation
Hardened and precision machined for long life
Rebuild to original specifications

Corrosion resistant components

Provides engine protection from the effects of seawater

Either-side service

Oil fill and dipstick combinations
Remote oil filter for easier service access
Application and service flexibility to provide installation convenience plus fast and easy maintenance

Heat exchanger or keel-cooled

High-capacity heat exchanger designed for reliable operation in adverse conditions
Integrated expansion tank, heat exchanger and exhaust manifold
Keel-cooled options provide application flexibility

High torque and low rated RPM

Enables the engine to turn larger propellers at lower speed for best efficiency
Excellent vessel control and maneuvering
Lower rated rpm limits vibration and noise for better crew comfort

Fuel system

Proven and reliable Mechanical Governor

Specifications

Emissions Certifications

IMO exempt	-
Non-Certified	-

General Data (based on standard option configuration)

Model	6068TFM50
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	Turbocharged
Length - mm (in)	1300 (51.2)
Width Maximum - mm (in)	703 (27.7)
Height-- mm (in)	882 (34.7)
Weight, dry - kg (lb)	730 (1609)

Calculated Generator-set Rating - 1800 RPM

Rated Speed Hz (rpm)	60 ( 1800 )
Generator efficiency %	88-92
Engine Power Prime kW (hp)	115 (154.2)
Power factor	0.8
Calculated generator set rating prime - kWe	99-106
Calculated generator set rating prime - kVA	124-132

Calculated Generator-set Rating - 1500 RPM

Rated Speed Hz (rpm)	50 ( 1500 )
Generator efficiency %	88-92
Engine Power Prime kW (hp)	89 (119.4)
Power factor	0.8
Calculated generator set rating prime - kWe	78-82
Calculated generator set rating prime - kVA	98-102

6068TFM50 | Marine Generator Drive Engine | John Deere US