Briggs & Stratton 37 HP 993cc EFI Horizontal Shaft Engine 61A277-0103-J1This is the Briggs & Stratton 37 HP 993cc EFI Horizontal Shaft Engine 61A277 0103 J1. Briggs & Stratton Engines are engineered to provide reliable and efficient power for a wide range of outdoor applications. Product Specifications: Horsepower (HP): 37 HP Engine Displacement: 993cc. Crankshaft Orientation: Horizontal. Crankshaft Dimensions: 1 1 8" diameter by 4" length. Fuel System: Electronic Fuel Injection (EFI). Oil Capacity: Approximately 80 fluid