Winco WL12000HE-18/A 277/480V Portable Generator...


The WL12000HE is the workhorse of WINCO’s Big Dog portable generator series. The WL12000HE will save you time and money giving your company a competitive advantage over crews using other portable generators. The 15 gallon fuel tank provides 9 hours of run time at full load so you won’t have to take unscheduled breaks to refuel. The WL12000HE is the preferred portable generator in the flat top roofing industry. It is durable enough to handle the hours while providing clean power for sensitive equipment.
This model is a three phase 277/480v. 

Choose the one that best fits your application!

Dolly Kit

All-Terrain 4-Wheel Dolly Kit is designed for use with generator models WL12000HE-03/A, WL12000HE-03/B, WL18000VE-03/A . Ships ready to assemble. Four wheel dolly kit accessory has the same rugged durability as our 2-wheel kit, but with the easy mobility of 4 wheels.

Generator Cover

Storage can be hard on your generator. Moisture and dirt can damage the engine and generator windings over time. Often during transport and storage the generator is damaged by scrapes and dents. WINCO’s heavy tailored canvas cover will protect your generator from these hazards protecting your investment. A built in band keeps the cover in place.

Maintenance Kit

Air filter, oil filter, fuel filter, spark plugs, 5W-30 oil, Sta-bil, and mechanics cloth


WINCO offers Interstate batteries for use in our electric start generators

The 12V U1 300 CCA is compatible with the following generators:


Delivery Fees *

Delivery Fees to Continental US



  • Honda GX630 Engine - You expect the best, you get the best.  The Honda GX630 is better than ever.  Including improved adaptability, quieter operation, and greater fuel efficiency.
  • YourGen Meter - LED meter displaying house, RPMs, voltage, and frequency readings.  Verifies the load balance with a load bar display.  Warnings when a parameter is outside of normal range and when an oil change is needed.
  • Low Oil Protection - In the event there is a low oil level, the engine will shut down to protect the engine from damage.
  • Powder Coat Paint - For an incredibly durable finish.
  • Sturdy Wrap-Around Cradle - 14 gauge, welded, tubular steel provides industrial strength support.
  • 15 Gallon Fuel Tank - EPA approved steel fuel tank designed to eliminate hydrocarbon emissions.
  • Premium Breakers -   Provides a clear and instant indication of a tripped circuit.
  • 100% Load Tested - You won’t find statistical sampling here. Every generator is fully tested prior to leaving Winco's facility.


Starting Watts - 12,000
Running Watts - 10,800
Running Amps - 16
Voltage Output - 277/480 Three Phase
Voltage Regulation - AVR (Automatic Voltage Regulation)
Full Power Receptacles - (1) NEMA L19-30R 30Amp
Engine Brand - Honda
Fuel - Gasoline
Emissions - EPA Prime
Dimensions - 40” x 26.5” x 26”
Weight - 412 lbs
Unit Warranty - 3 Years Commercial
Assembled In - USA


Please ensure you read and agree with the return policy:

Additional information

Weight 412 lbs
Dimensions 50 × 32 × 31 in

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