Roof Pro 18,000W Generator


For the first time, simultaneously power two 240-Volt welders or one 240-Volt welder and up to four 120-Volt hand tools, keeping your crews productive and projects on schedule.

Put simply, the Roof Pro 18,000W Generator is a beast.

Armed with the most powerful open-air-cooled engine possible, this innovative power source will supply enough clean, consistent power to keep multiple parts of a project moving forward.

In addition to its incredible power output, the Roof Pro 18,000W is customized specifically for roofers with:

  • Forklift slots and hoisting hook

  • Four-wheel dolly kit with flat free tires

  • Locking brake system

  • Restrictor plate to avoid overdrawing power

  • Extended run fuel tank for up to 7 hours of continuous operation

  • Made in the USA


Clean, Consistent Portable Power

With only 5% total harmonic distortion under a full load, the Roof Pro 18,000 generator enables you to power equipment at peak performance. Limit seam weld touch ups because of fluctuation power.

Durable Briggs & Stratton Vanguard Engine

The durable, long-lasting Briggs & Stratton Vanguard engine is the largest possible open-air-cooled engine, allowing for maximum power output. The engine includes 100% copper windings for improved motor starting. Additionally, the UL listed metal covers shield receptacles from weather elements.

Superior Power Output

Simultaneously power up to two 240-Volt tools to keep your roofing project on schedule. Also includes four 120-Volt tool outlets, with a restrictor plate to avoid overdrawing from the generator and blowing capacitors.

Extended Run Fuel Tank

15-gallon tank translates to up to 7 hours of run time at full load, keeping your team productive longer.

Low Carbon Emissions

The Roof Pro 18,000W’s steel fuel tank design eliminates hydrocarbon emissions, and the carbon canister satisfies EPA regulations for carbon emissions.

2-Year Warranty

Purchase with confidence knowing your Hy-Tech Roof Pro 18,000 portable generator is completely covered for 24 months. The engine is covered for 36 months.

Ground-to-Roof & On-Deck Maneuverability

Get the power to and around roof decks easier with the Roof Pro 18,000:

  • Single-point lifting eye

  • Forklift slots

  • Locking brake system

  • Fold-down, pull handle

  • 1.25-in., 13-gauge tubular steel frame

  • Flat-free, lightweight tires

  • Generator cover


Dimensions (with Wheel Kit)

Dimensions (L x W x H inches) 44.6 x 36 x 33



Starting Watts 18,000
Running Watts 15,000
Running Amps @ 120 VAC 125
Running Amps @ 240 VAC 62.5
Voltage Regulation Capacitor +/-5%
Frequency Regulation +/-3%
Main Circuit Breaker 60 amp, 240 VAC
Bonded Neutral Yes
120 Volt Receptacles 3 NEMA 5-20R 20A (GFCI)
1 NEMA L5-20 20A (GFCI)
120 / 240 Volt Receptacles 1 NEMA 14-60R 60A
240 Volt Receptacles 1 NEMA L6-30R 30A (GFCI)
Generator Warranty 2 Years Commercial



Motor Starting (Code G) 6 HP
Sound Data Full Load 79
Lifting Eye Yes
4-Wheel Dolly Kit Yes - with flat free tires
Protective Roll Frame 14 Gauge Steel
Assembled In USA
EPA Approved Yes
CARB Approved No
CSA Approved No
Unit Warranty 2 Years Commercial



Brand Briggs & Stratton
Model Vanguard
Starter Electric
Speed 3600 RPM
Cylinders V-Twin
Displacement / Type 895 CC / OHV
Low Oil Protection Standard
Recommended Oil 10W-30
Oil Capacity 2.1 QT
Fuel Tank 15 Gallon
Fuel Gauge Yes
Full Load Run Time 7 Hours
Time Meter Yes
Battery Size BCI Group 26 500 CCA
Warranty 3 Years Commercial


18,000W Generator
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Learning Center

Following are some things to consider as you shop for a construction-grade portable generator: