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John Deere 4045DFM70 Constant-Speed Auxiliary & Generator Engine

Model Photo

4045DFM70

  • 4.5L PowerTech™
  • 40-46 kW (54-62 hp)

 

Features

Water-cooled 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

Internal balancers

  • Low noise and vibration for crew comfort

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

Emissions Certifications

IMO exempt  
Non-certified  

General Data (based on standard option configuration)

Model 4045DFM70
Number of cylinders 4
Displacement-- L (cu in) 4.5 (275)
Bore and Stroke-- mm (in) 106.5 x 127 (4.19 x 5.00)
Engine Type In-line, 4- Cycle
Aspiration Naturally aspirated
Length - mm (in) 885 (34.8)
Width Maximum - mm (in) 712 (28.0)
Height - mm (in) Height - mm (in)
Height, crankshaft centerline to top - mm (in) 620 (24.4)
Height, crankshaft centerline to bottom - mm (in) 282.5 (11.1)
Weight, dry - kg (lb) 462 (1019)

Calculated Generator-set Rating - 1800 RPM

Rated Speed Hz (rpm) 60 ( 1800 )
Generator efficiency % 88-92
Engine Power Prime kW (hp) 45 (60.3)
Power factor 0.8
Calculated generator set rating prime - kWe 40-42
Calculated generator set rating prime - kVA 50-53

Calculated Generator-set Rating - 1500 RPM

Rated Speed Hz (rpm) 50 ( 1500 )
Generator efficiency % 88-92
Engine Power Prime kW (hp) 40 (53.6)
Power factor 0.8
Calculated generator set rating prime - kWe 35-37
Calculated generator set rating prime - kVA 44-46