Generac 6459 Generator Manual
Generac 6459 Generator Manual. View the Generac 6459 Generator manual. This is the product manual for a Generac Guardian 16kW Home Standby Generator. This standby generator has fully automatic operation when used with a Generac Smart Switch. Generac built this generator to operate on either natural gas or LP. The Generac OHVI Air Cooled Engine has plateau honed cylinder walls and plasma moly rings, along with a fully pressurized lubrication system. You are viewing the manual and parts listings for the Generac 6459 Generator .