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20 kW Enclosed Diesel Tier 4 Generator PTi-20Si-T4F


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 lightweight aluminum enclosure with sound attenuation
  • Heavy duty aluminum radiator with pusher fan and guards
  • Heavy duty dry type air cleaner
  • Element type fuel filters
  • Fuel/water separator standard with water in fuel indicator
  • 12VDC starting motor and a 50A 12 VDC alternator
  • Safety shutdowns for high water temp, low oil pressure, and water.
  • Service reminders for air and fuel filters
  • 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 with Charge Air Cooler
Lubricant (API Classification) API Service Class CJ-4 SAE or JASO DH-2
Starting Motor 12V, 2.0 kW
Charging Alternator 12V, 40A
Exhaust After Treatment Diesel Oxidizing Catalyst (DOC)
Oil Change Interval 250 Hours


Generator Specifications

Output Voltage 120V (240v Optional)
Power Output  20,000 W
Amperage 166A @ 120VAC (83A @ 240VAC)
Fuel Consumption 2.2 GPH @ Full Load, 1.2 GPH @ Half Load
Weight 975 lbs



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