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20 kW Enclosed Gas Generator PTGK-20Si


Powered by an industrial gasoline engine producing 20 kilowatts of continuous prime power.


  • Single phase model
  • Available in 50 Hz or 60 Hz
  • Industrial diesel engine CARB and EPA Certified Tier 2
  • 1800 RPM operation for long life
  • Brushless generator with automatic voltage regulator
  • Mainline set mounted commercial grade circuit breaker
  • Powder coated lightweight aluminum enclosure with sound attenuation
  • High ambient radiator cooled with pusher fan and fan guards
  • Dry type air cleaner and spin on oil filter
  • 12VDC starting motor and a 40A 12 VDC battery charging alternator
  • Safety shutdowns for high water temp and low oil pressure
  • Critical Exhaust Silencer
  • Power Tech's advanced PTG series electronic controller
  • Convenient single side service
  • 12VDC fuel pump with fuel block for easy connection
  • 4 point mounting system with vibration isolators

Engine Specifications

 Type Vertical, Liquid-Cooled, 4 Cylinder, Gasoline
Number of Cylinders 4
Bore & Stroke            mm (in) 80 x 102.4 (3.46 x 4.03)
Total Displacement        L(in3) 2.491(152)
Combustion Type Electronic Fuel Injection
Aspiration Naturally Aspirated
Lubricant (API Classification) SL or Higher
Starting Motor 12V, 2.0 kW
Charging Alternator 12V, 40A


Generator Specifications

Output Voltage 120V (240v Optional)
Power Output  20,000 W
Amperage 166A @ 120VAC (83.3A @ 240VAC)
Fuel Consumption Not available at this time
Weight N/A



2 year /3000-hour limited warranty.  Click here for more information.