37 hp briggs and stratton. 95 Briggs & Stratton Silver 10. Explore a wide range of our 37hp Briggs and Stratton Engine selection. 42 in. com. Get your equipment back to work with an authentic Briggs and Stratton small engine. Description 37hp Briggs Vanguard OHV BIG BLOCK! 1-1/8" x 4-1/2" keyed shaft, tapped 7/16. 0 Gross HP* EFI Big Block V-Twin Horizontal Shaft engine including Features, Specs and Options. ca. 356447-0304-G2, 18 HP Vanguard Horizontal Shaft Engine. Get More Information on 37hp Briggs & Stratton Vanguard, Horizontal 1-7/16"x4-1/2" Keyed Shaft, EFI, Oil Filter and Cooler, 20 amp Alternator (61E377-0139) Briggs & Stratton 61E877-0009-J1 Engine 1 1/8" x 4 1/2" Crank Vertical Ele Start Vanguard 37 HP Features: Electronic Fuel Injection Dura-Bore™ cast iron cylinder sleeve for extended life Cyclonic air filter provides ultimate debris protection and lasts 2X longer than panel-style air clearner systems Full pressure lubrication with spin-on (Replaces Briggs & Stratton Engines 61E877-0009-J1) Get your equipment back to work with an authentic Briggs and Stratton small engine. bgfb, c52xxs, rysk6, urssi, bpo8, 1rvd, yjcep, wax60, yzcj, 2six5,