Briggs & Stratton Vanguard EFI 37 HP Vertical Engine 61E877 0009 J1 Brand New Genuine OEM Part Pink Floral Wallpaper with Roses and Blue Berries. The 61E877 0009 J1 Briggs & Stratton Vanguard EFI 37 HP Vertical Engine is a brand new original equipment manufacturer (OEM) engine designed for outdoor power equipment. This multi purpose engine is ideal for yard, garden, and outdoor living applications, providing reliable and efficient performance. With its 37 horsepower output and fuel injection technology, this engine is perfect for powering a variety of outdoor machinery such as lawn mowers, generators, and pressure washers. Its vertical design makes it compact and easy to maneuver, while its durable construction ensures long lasting service. Here's a more detailed breakdown: Model Number: 61E877 0009 J1 Engine Type: Briggs & Stratton Vanguard EFI Vertical Engine Horsepower: 37 Gross HP Displacement: 993cc Shaft Size: 1 1 8" x 4 1 2" Fuel System: Electronic Fuel Injection (EFI) Crankshaft Orientation: Straight Starter Type: Electric Start Alternator: 20 Amp Oil Filter: Included Oil Cooler: Included Notable Features: Dura Bore cylinder design This engine is commonly used in applications like lawnmowers, zero turn mowers, and other equipment requiring a powerful and reliable engine.