Briggs & Stratton 724cc Engine
24.0 Gross HP,
1-1/8 inch x 4-5/16 inch Crankshaft.
12V Electric Start with 16A Alternator,
No Muffler
6-Pin connector wiring harness is included.
Common engine replacement on Riding mowers, lawn tractors, and ZTR mowers. 

Note, this engine replaces 44Q777-3136-G5, 44s877-0001-g1,