John Deere 4045SFM85 Marine Propulsion Engine

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All Product Lines / John Deere Products / Engines and Drivetrain / Marine Engines / Propulsion Engines / 4045SFM85 Marine Propulsion Engine

4045SFM85 Marine Propulsion Engine Model Photo

Features
Specs

Features

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.

Turbocharged with air-to-seawater aftercooling

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

Multiple service options

Standard front fuel service, optional left-hand or right-hand oil filter options for twinengine applications.

Water-cooled exhaust manifold

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

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.

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.

Replaceable cylinder liners

Replaceable wet-type cylinder liners are precision-machined and hardened for long life. Allows engine to be rebuilt to original specifications.

4-valve cylinder head

Excellent airflow through 4-valve cylinder head delivers greater low-speed torque and better transient response time.

Integrated heat exchanger

Integrated expansion tank, heat exchanger, and exhaust manifold reduce the chance of leaks. High-capacity heat exchanger provides reliable operation in adverse conditions.

Internal balancers

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

Emissions Certifications

IMO Tier 2
EPA Tier 3
RCD 2

General Data (based on standard option configuration)

Model	4045SFM85
Number of cylinders	4
Displacement-- L (cu in)	4.5 (275)
Bore and Stroke-- mm (in)	107 x 127 (4.21 x 5.00)
Engine Type	In-line, 4- Cycle
Aspiration	Turbocharged and air-to-seawater aftercooled
Length maximum - mm (in)	1145 (45.1)
Length to rear face of flywheel housing - mm (in)	900 (35.4)\
Flywheel housing SAE	2, 3
Height - mm (in)	922 (36.2)
Height, crankshaft centerline to top - mm (in)	611 (24.0)
Height, crankshaft centerline to bottom - mm (in)	311 (12.2)
Weight, (with oil, no coolant - includes engine, flywheel, and electronics) - kg (lb)	558 (1230)

Engine Specifications

Performance Rating	Power KW (bhp) Rated Speed (rpm) Rated fuel consumption L/hr(gal/hr)
M4	205 (275) 2600 54 (14)
M5	235 (315) 2800 62 (16)

M rating

M4 - Typical load factor	>40%
M4 - Typical annual usage (hr)	1,000-3,000 hr
M4 - Typical full-power operation (hr)	1 of each 12 hr
M5 - Typical load factor	<=35%
M5 - Typical annual usage (hr)	300-1,000 hr
M5 - Typical full-power operation (hr)	0.5 of each 8 hr

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