Briggs & Stratton Vertical 17.5 HP 500cc INTEK Engine 9amp 1" x 3-5/32" #31R977-0054

      Briggs & Stratton 17.5 HP INTEK Series 500cc   Discover a new standard in reliability. The powerful Intek™ Series riding mower engines deliver superior performance and durability. The XRD incorporates dozens of endurance-driving improvements, joined by the comfort of an Anti-Vibration System and the convenience of a Tool-less Air Cleaner Cover. It's riding mower engine you can rely on.       MODEL NUMBER: 31R977-0054     POWER OUTPUT: 17.5 Horse Power     SHAFT MOUNTING: Vertical Shaft     SHAFT SIZE: (D x L) 1" x 3-5/32" shaft, tapped 7/16" with 1/4" keyway     STARTER TYPE: Electric Starter     APPLICATION(S): Riding Mower Engine     WEIGHT: 73 lbs     REPLACES: Universal replacement engine for MTD, Murray, AYP,Snapper, and other riding mowers and lawn tractors     WARRANTY: 2 Years Consumer / 1 Year Commercial   Covered Through Briggs & Stratton Service Network NOTES/FEATURES: 17.5hp