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Winco PSS21-3 1 PH 120/240V Liquid Cooled 21KW Generator

$ 18,391.00

The Winco PSS21-3 1 PH 120/240V Liquid Cooled 21KW Generator, offers home or businesses a professional grade USA made generator not found in discount clubs or home & garden stores. Highly adaptable to multiple environments, offered with upgrade options, and warranty perfect for both residential or business use. The PSS21 is designed to provide reliable emergency electrical power over a wide range of weather conditions and environmental challenges. Price is without the weather housing shown in photo, protective weather housing can be added at time of order. Assemble in the USA.

+ Photo’s Shown With Weather Housing

FREE SHIPPING * LOWER 48 STATES – ( Canada, AK & HI call for shipping )

Choose Fuel System * 

Choose Housing Configuration * 

Choose Battery Charger

Option Adders


Packaged Standby System

Winco PSS21-3 1 PH 120/240V Liquid Cooled 21KW Generator is unique in that it has a very over-sized engine (it shares an engine with our PSS30) and an over-sized generator end. This means that when you pull full load on this generator it will hardly break a sweat.


Zenith 2.8L Engine – The 4-cylinder, overhead valve engine meets EPA/CARB emission regulations.
NEW Stamford Generator End – The new S Series has a 3 year warranty on the generator end and includes auxiliary winding standard with short circuit capability.
Premium Square D Circuit Breakers – Top Quality breakers from a trusted brand.
Battery Charger – Factory installed 3 stage, 2 Amp battery charger.
Block Heater – In-line Kim Hotstart, 120V, block heater with thermostat.
DSE7310 MKII – Our digital controller is more powerful and dynamic with      user-friendly interface.
Galvanealed Steel Weather Enclosure – Our weather enclosures provide sound duction while our powder coat paint provides a durable, long lasting finish.
100% Load Tested – We load test every generator before it leaves our factory.


  • Watts: 210000
  • Voltage: 120/240v 1 Phase
  • Amps: 88
  • Circuit Breaker: 90 Amps
  • Voltage Regulation: AS540 +/-1%
  • Engine: Zenith 428 2.8L
  • Fuel: LP Gas or Natural Gas
  • Dimensions: Open Skid – 80.5″ x 36″ x 42.75″
  • Dimensions: Enclosed – 81″ x 36″ x 43.2″
  • Weight: 1396 lbs.
  • Warranty: 2 yrs/2000 Hrs
  • Assembly: USA

.pdf Specifications Sheet

.pdf Outline Drawing

.pdf Installation & Operations Manual

.pdf Open Skid Installation Manual

.pdf Parts List

.pdf Zenith Engine Operator’s Manual

.pdf Generator End Operators Manual

.pdf Generator End Parts List

.pdf Winco Catalog



Additional information

Weight 1394 lbs
Dimensions 81 × 36 × 43 in
Manufacturer Part Number


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