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John Deere Constant-Speed Auxiliary & Generator Marine Engines

4045TFM50

Constant-Speed Auxiliary & Generator Engine

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4.5L PowerTech™
57-71 kW (76-95 hp)

Features

Optional low rpm operation

High torque and low rated RPM
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.

Water-Cooled Exhaust Manifold

Integrated components eliminate external hoses and fittings. Wet exhaust manifold creates a cooler and quieter environment for passengers and crew.

Replaceable wet-type 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.

Keel-cooled or heat exchanger

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.

Internal balancers

Internal balancers reduce engine noise and vibration for crew comfort. NOTE: John Deere 4045 engines only.

Multiple service options

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

Specifications

Emissions Certifications

Non-Certified	-

General Engine Data

Model	4045TFM50
Number of cylinders	4
Displacement-- L (cu in)	4.5 (276)
Bore and Stroke-- mm (in)	106 x 127 (4.2 x 5.0)
Engine Type	In-line, 4- Cycle
Aspiration	Aspiration
Length maximum - mm (in)	885 (35)
Width-- mm (in)	713 (28)
Height-- mm (in)	911 (36)
Weight, dry - kg (lb)	462 (1017)

Calculated Generator-set Rating (1800 rpm)

Rated Speed Hz (rpm)	60 (1800)
Generator efficiency %	88-92
Engine Power Prime kW (hp)	71 (95)
Power factor	0.8
Calculated generator set rating prime - kWe	62-65
Calculated generator set rating prime - kVA	78-81

Calculated Generator-set Rating (1500 rpm)

Rated Speed Hz (rpm)	50 ( 1500 )
Generator efficiency %	88-92
Engine Power Prime kW (hp)	57 (76)
Power factor	0.8
Calculated generator set rating prime - kWe	50-52
Calculated generator set rating prime - kVA	62-65

4045TFM50 | Marine Generator Drive Engine | John Deere US