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John Deere 4045TFM85 Marine Propulsion Engine

Model Photo


  • 4.5L PowerTechâ„¢
  • 75-93 kW (100-125 hp)



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.

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 reduce the chance of leaks. 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.

Emissions Certifications

IMO Tier 2  
EPA Tier 3  
RCD 2  

General Data (based on standard option configuration)

Model 4045TFM85
Number of cylinders 4
Displacement-- L (cu in) 4.5 (275)
Bore and Stroke-- mm (in) 106 x 127 (4.17 x 5.00)
Engine Type In-line, 4- Cycle
Aspiration Turbocharged
Length - mm (in) 1020 (40.2)
Width Maximum - mm (in) 808 (31.8)
Length to rear face of flywheel housing - mm (in) 877 (34.5)
Flywheel housing SAE 3
Height - mm (in) 912 (35.9)
Height, crankshaft centerline to top - mm (in) 625 (24.6)
Height, crankshaft centerline to bottom - mm (in) 287 (11.3)
Weight, dry - kg (lb) 507 (1118)

Engine Specifications

Performance Rating Power KW (bhp)
Rated Speed (rpm)
Rated fuel consumption L/hr(gal/hr)
M1 50 ( 67 )
21.5 ( 5.7 )
M2 93 ( 125 )
29.1 ( 7.7 )

M rating

M1 - Typical annual usage (hr) Unrestricted
M1 - Typical full-power operation (hr) Uninterrupted
M1 - Typical load factor >65%
M2 - Typical annual usage (hr) 000-5
M2 - Typical full-power operation (hr) 16 of each 24 hr
M2 - Typical load factor <=65%