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20 kW Open Diesel Tier 4 Generator PTi-20


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


  • US EPA Tier 4 Final emissions certified & California CARB certified emissions
  • Engine mounted diesel oxidation catalyst (DOC)
  • Single phase model
  • Available in 50 Hz or 60 Hz (15 kW @ 50 Hz)
  • 1800 RPM operation for long life (1500 RPM @ 50 Hz)
  • Brushless generator with an automatic voltage regulator
  • Mainline set mounted commercial grade circuit breaker
  • Powder coated base pan
  • Heavy duty aluminum radiator with pusher fan and guards
  • Heavy duty dry type air cleaner
  • Element type fuel filter with floating water in fuel indicator and filter reminders
  • Fuel/water separator standard
  • 12VDC starting motor and a 50A 12 VDC alternator
  • Safety shutdowns for high water temp and low oil pressure.
  • Power Tech's advanced PTG series electronic controller with information display
  • Convenient single side service
  • 12VDC fuel pump with bulkheads for easy connection
  • 4 point mounting system with vibration isolators

Engine Specifications

 Type Vertical, Liquid-Cooled, 4 Cylinder, Diesel
Number of Cylinders 4
Bore & Stroke            mm (in) 85 x 96 (3.35 x 3.78)
Total Displacement        L(in3) 2.2(134.25)
Combustion Type Direct Injection Type
Aspiration Turbo Charged
Lubricant (API Classification) Above CF Grade
Starting Motor 12V, 2.0 kW
Charging Alternator 12V, 50A


Generator Specifications

Output Voltage 120V / 240VAC
Power Output  20,000 W
Amperage 166A @ 120VAC (83A @ 240VAC)
Fuel Consumption 2.2 GPH @ Full Load, 1.2 GPH @ Half Load
Weight 927 lbs



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