See Below for specific information about the units. Features: * Powerful Generac OHVI V-Twin Engine with Full Pressure Lubrication * Longest engine life and most horsepower in its class * Hinged Top and Removable Front Panel for Easy Serviceability * External GFCI Duplex Outlet provides convenient power outside or lets you share your power with a neighbor Included for Easy Installation: * Automatic Transfer Switch with Built-in 12 circuit Load * Pre-wired External Connection Box (Models 05381 & 05382 only) * “Do-It-Yourself Installation Guide |