4045HF150 4.5L Generator Drive Engine

4045HF150 4.5L Generator Drive Engine


  • PowerTech™ M
  • Standby: 123 kW (165 hp) @ 1800 rpm
  • Prime: 111 kW (149 hp) @ 1800 rpm
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Dynamically balanced crankshaft

  • Induction-hardened journals for long hours of reliable service
  • Robust design to drive machinery from the front of the crankshaft
  • Supported by five main bearings

Forged-steel connecting rods

  • 45-degree connecting rod/cap-joint design allows the use of large connecting rod bearings for increased durability

Replaceable wet-type cylinder liners

  • Provide excellent heat dissipation
  • Precision machined for long life
  • Rebuild to original specifications

Smooth operation

  • Smooth vibration with full length engine balancers

Easy to apply, easy to install

  • Front and rear engine mounting pads on the side of the block facilitates installation
  • Either-side service for filters and service points simplify installation and packaging
  • All connection points in common locations make it easy to install or package

Compact size

  • Short length is ideal for both skid and packaged installations
  • High mount or low mount turbocharger position to meet packaging requirements

World-class performance

  • Excellent fuel economy and low oil consumption

Fuel system controls

  • Proven and Reliable Mechanical Governor
  • 3-5% Droop Governing
  • 12V or 24V Electric Shutoff


Emissions certifications

Non-Emissions Certified

General engine data

Model 4045HF150
Number of cylinders 4
Displacement-- L (cu in) 4.5 (275)
Bore and Stroke-- mm (in) 106 x 127 (4.17 x 5.00)
Compression Ratio 17.0:1
Engine Type In-line, 4-Cycle
Aspiration Turbocharged and air-to-air aftercooled
Length - mm (in) 861 (33.9)
Width-- mm (in) 598 (23.5)
Height-- mm (in) 980 (38.6)
Weight, dry - kg (lb) 396 (873)

Performance data range

Hz (rpm) 50 ( 1500 )
Generator Efficiency % 88-92
Power Factor 0.8
Engine power - Prime kW 72
Engine power - Prime hp 97
Engine power - Standby kW 80
Engine power - Standby hp 107
Rated Fan Power - kW 3
Rated Fan Power - hp 4.0
Calculated generator set output - Prime kWe 61-64
Calculated generator set output - Prime kVA 76-80
Calculated generator set output - Standby kWe 68-71
Calculated generator set output - Standby kVA 85-89