Winco Industrial Big Dog WL12000HE generator. It's a portable generator with a yellow and black color scheme, featuring a protective black roll cage around the engine and electrical components. You can clearly see the "Winco Industrial" and "Big Dog WL12000HE" labels on its side.
Winco Industrial Big Dog WL12000HE generator. This angle gives you a better look at the engine, the exhaust system, and the sturdy black roll cage designed to protect it. You can also clearly see the "Big Dog" logo with the bulldog illustration.
Winco Industrial Big Dog WL12000HE generator. You can clearly see the Honda GX630 engine inside, which is a powerful and reliable gasoline engine commonly used in industrial equipment. The black cover with the "HONDA" branding is unmistakable.
Winco Industrial Big Dog WL12000HE generator. It's a portable generator with a yellow and black color scheme, featuring a protective black roll cage around the engine and electrical components. You can clearly see the "Winco Industrial" and "Big Dog WL12000HE" labels on its side.
Winco Industrial Big Dog WL12000HE generator. This angle gives you a better look at the engine, the exhaust system, and the sturdy black roll cage designed to protect it. You can also clearly see the "Big Dog" logo with the bulldog illustration.
Winco Industrial Big Dog WL12000HE generator. You can clearly see the Honda GX630 engine inside, which is a powerful and reliable gasoline engine commonly used in industrial equipment. The black cover with the "HONDA" branding is unmistakable.
Winco

Winco 12000W Portable Generator Single-Phase Honda GX630 Engine 120/240V Output EPA/CSA Approved YourGen Meter 15-Gallon Fuel Tank Commercial Grade WL12000HE-03/B

In stock
SKU: WL12000HE-03/B
$4,500.00
Description

Commercial-Grade Portable Power – Built for Job Sites, Backup Systems, and Heavy-Duty Demands

Call for Availability and Shipping 281-351-2211

When you need serious wattage in a rugged, mobile package, the Winco WL12000HE-03/B Portable Generator delivers. Engineered for contractors, emergency backup, and industrial-grade performance, this unit offers 12,000 starting watts10,800 running watts120/240V single-phase output

Powered by the legendary Honda GX630 engine, this generator features improved fuel efficiency, quieter operation, and enhanced adaptability. The integrated YourGen LED meter displays hours, RPMs, voltage, and frequency—plus alerts for load imbalance and oil change intervals. With low oil shutdownpremium circuit breakers, and a 15-gallon EPA-approved steel fuel tank, this unit is built for long runtimes and safe operation under pressure.

CSA-approved and fully load-tested before leaving the factory, the WL12000HE is ready to power tools, trailers, and critical systems wherever you need it. Whether you're on a remote job site or preparing for storm season, this generator is your go-to for reliable, high-output power.

What's Included

  • (1) Winco WL12000HE-03/B Portable Generator
  • (1) Honda GX630 Engine – 389cc OHV, Electric Start
  • (1) YourGen LED Meter – Hours, RPMs, Voltage, Frequency, Alerts
  • (1) 15-Gallon EPA-Approved Steel Fuel Tank with Gauge
  • (1) Welded 14-Gauge Tubular Steel Cradle
  • (3) NEMA 5-20R 20A GFCI Duplex Receptacles
  • (1) NEMA L14-60R 60A 120/240V Twist-Lock Receptacle
  • (1) NEMA L6-30R 30A 240V GFCI Receptacle
  • (1) Square D Premium Circuit Breaker Package

Available for pickup at our location:

30702 State Highway 249
Tomball, Texas 77375 

Monday-Friday 7am-5pm CST 
Saturday 7am-1pm CST

Specifications

Model Number WL12000HE-03/B
Starting Watts 12,000
Running Watts 10,800
Voltage Output 120/240V Single Phase
Running Amps 90 / 45
Voltage Regulation Capacitor
Engine Honda GX630 – 389cc OHV
Fuel Type Gasoline
Fuel Tank Capacity 15 gal
Low Oil Protection Yes
Sound Level (Full Load) 72 dB(A)
Dimensions (L x W x H) 40″ x 27.2″ x 26.2″
Weight 382 lbs
Emissions Compliance EPA Prime, CARB/California
CSA Approved Yes
Warranty 3 Years Commercial
Assembled In USA
Prop 65 WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov

Key Features

  • 12,000W starting power with 120/240V single-phase output
  • Honda GX630 engine for quiet, fuel-efficient performance
  • YourGen meter for real-time diagnostics and alerts
  • 15-gallon EPA-approved fuel tank for extended runtime
  • CSA-approved and 100% load-tested for reliability

Power your tools, trailers, and backup systems with the Winco WL12000HE-03/B Portable Generator—engineered for performance, built for durability, and trusted by professionals nationwide.