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John Deere Marine: 4045DFM70

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4045DFM70

Constant-Speed Auxiliary & Generator Engine
  • 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

Specifications

Emissions Certifications

Non-certified

IMO exempt

282.5 (11.1)

Height, crankshaft centerline to bottom - mm (in)

Weight, dry - kg (lb)

462 (1019)

General Data (based on standard option configuration)

Model

Number of cylinders

Displacement-- L (cu in)

Bore and Stroke-- mm (in)

Engine Type

Aspiration

Height-- mm (in)

Length - mm (in)

Width Maximum - mm (in)

4045DFM70

4

4.5 (275)

106.5 x 127 (4.19 x 5.00)

In-line, 4-cycle

712 (28.0)

Naturally aspirated

885 (34.8)

N/A

Height, crankshaft centerline to top - mm (in)

620 (24.4)

Calculated Generator-set Rating - 1800 RPM

50-53

Rated Speed Hz (rpm)

Generator efficiency %

Engine Power Prime kW (hp)

60 ( 1800 )

88-92

45 (60.3)

Power factor

0.8

Calculated generator set rating prime - kWe

40-42

Calculated generator set rating prime - kVA

Calculated Generator-set Rating - 1500 RPM

44-46

Rated Speed Hz (rpm)

Generator efficiency %

Engine Power Prime kW (hp)

50 ( 1500 )

88-92

40 (53.6)

Power factor

0.8

Calculated generator set rating prime - kWe

35-37

Calculated generator set rating prime - kVA

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