I found this. must have read mdl wrong. Briggs & Stratton 44S977-0033-G1 Vertical Professional Series Engine, 25.0 Gross HP, 724cc, 1-1/8" x 4-19/64" Crankshaft, 1/4" Keyway, 7/16"-20 Drilled & Tapped, Remote Controls, Fuel Pump, 12 Volt Gear Drive ReadyStart with 16 Amp DC Alternator, Replaces 44S877-0001-G1, 44Q777-3136-G5 and 44Q777-0136-G1