GUARDIAN's Ultra Source® portable generators are the most powerful portable generators on the market and offer the best value in the business. They supplement our complete line of residential and commercial automatic standby generators and are ideal for power on the job site or as an emergency source of electricity at home or in commercial applications such as gas stations.
Impressive power
Our 15,000-watt and 17,500-watt models feature our own OHVI® 992cc industrial grade engine. This powerhouse is renowned for its reliability, long life, impressive power and smooth, quiet operation.
Model Number
04582
04583*
Rated Watts
15000
17500
Surge Watts
22500
26250
Voltage (VAC)
120/240
120/240
Output (A)
125/62.5
145.8/72.9
Engine Type
Generac OHVI
Generac OHVI
Engine Displacement
992 cc
992 cc
Engine Starting
Electric
Electric
Fuel Capacity
16
16
Outlets
2 x 120V 20A GFCI 2 x 120V 20A 2 x 120V 30A Twistlock 1 x 120/240V 30A Twistlock 1 x 240V 50A 1 x 12Vdc 10A
2 x 120V 20A GFCI 2 x 120V 20A 2 x 120V 30A Twistlock 1 x 120/240V 30A Twistlock 1 x 240V 50A 1 x 12Vdc 10A
* Includes indoor rated, pre-wired manual transfer switch
Manual Transfer Switch
The 17,500-watt model comes standard with our 60 Amp manual transfer switch, making it easy to use during an outage. With up to 16 pre-wired circuits, all that's required is to start the generator and plug it in. By flipping a switch, the utility is locked out and the load is transferred to the generator.
Circuit Coverage: Protects up to 16 circuits (17.5 kW model)
Automatic Voltage Regulator: Quality electrical output for sensitive electronics
Electronic Governor: Fast response to changing electrical loads
Generac OHVI® V-Twin Industrial Engine: The ONLY air-cooled engine designed specifically for generators
Longest Life Expectancy in the Industry: Over 3,000 hours of run time
Full Pressure Lubrication: Continuous lubrication of all vital engine parts for from moment of start up for ultimate engine protection
Spin-on Oil Filter: Automotive style for easy maintenance and prolonged engine life
16 Gallon Fuel Tank
Automatic Idle Control
Electric Start Quick start
50-amp High Power Outlet, Twistlock Outlet, plus GFCI Protected Duplex Outlets