John Deere Engine 22- 4045AFM85 Marine Propulsion Engine
This 4.5L PowerTech™ engine regulates supreme propulsive power at 119-168 kW (160-225 hp) rating. It is ideal for line haul tugs and towboats, fish and shrimp trawlers/draggers, and displacement hull fishing boats. etc.
Key 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.
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.
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.
Integrated heat exchanger
Integrated expansion tank, heat exchanger, and exhaust manifold. High-capacity heat exchanger provides reliable operation in adverse conditions.
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.
Classification Societies
ABS, BV, CCS, CRS, DNV-GL, LR
Emissions Certifications
- EPA Commercial Marine Tier 3
- IMO MARPOL Annex VI Tier II Compliant
Technical Specifications
Model4045AFM85Number of cylinders4Displacement-- L (cu in)4.5 (275)Bore and Stroke-- mm (in)107 x 127 (4.21 x 5.00)Engine TypeIn-line, 4- CycleAspirationTurbocharged and air-to-coolant aftercooled
Engine Dimensions
Length - mm (in)1105 (43.5)Width Maximum - mm (in)864 (34.0)Length to rear face of flywheel housing - mm (in)890 (35.0)Flywheel housing SAE3Height - mm (in)964 (38.0)Height, crankshaft centerline to top - mm (in)654 (25.7)Height, crankshaft centerline to bottom - mm (in)310 (12.2)Weight, dry - kg (lb)578 (1274)
Engine Specifications
Performance Rating
Performance RatingPower KW (bhp)Rated Speed (rpm)Rated fuel consumption L/hr(gal/hr)M1119 (160)230033.2 (8.8)M2134 (180)240036.9 (9.7)M3149 (200)250044.2 (11.7)M4168 (225)260048.6 (12.8)
M Rating
M1 - Typical annual usage (hr)UnrestrictedM1 - Typical full-power operation (hr)UninterruptedM1 - Typical load factor>65%M2 - Typical annual usage (hr)000-5M2 - Typical full-power operation (hr)16 of each 24 hrM2 - Typical load factor<=65%M3 - Typical annual usage (hr)000-4M3 - Typical full-power operation (hr)4 of each 12 hrM3 - Typical load factor<=50%M4 - Typical annual usage (hr)000-3M4 - Typical full-power operation (hr)1 of each 12 hrM4 - Typical load factor<=40%