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.
