Generac Home › Generac Generac Portable Generators Generac Power Cords, Tranfer Switches & Accessories Generac Power Washers Generac Power Washer Accessories The undisputed workhorse of the portable market, Generac’s new professional grade XP Series portable generators are engineered specifically with contractors and construction sites in mind. All models are powered by the Generac OHVI® engine designed specifically for generators and built to withstand extended job site use. The XP Series is noticeably more substantial than most portable generators, sporting impact-resistant cast metal corners and a heavy-duty, hardened steel tube cradle. Integrated handle supports and brackets are engineered as part of the casting for even more durability. Not all Generac Generators are California Air Resource Board Compliant. If you are planning on having your generator shipped to the state of California, call us at (800) 242-4424 so we can recommend a CARB compliant model.