This mower has a 159cc OHV Troy-Bilt engine and a 21 3-in-1 (side discharge mulch and rear bag) steel cutting deck. It with 7 front and 8 rear wheels and 6-position dual-lever cutting deck height adjustment. Mulch kit and engine oil . For replacement blade use TV #131-144 50 State EPA/CARB compliant. Features. 159cc OHV Troy-Bilt engine with autochoke. 21 steel cutting deck. TriAction cutting system. Dual-lever deck height adjustment. 6 settings from 1.25 inches – 3.75 inches. 3-position height adjustSpecifications. Size: 21 in.. Country of Origin: United States. Weight: 65 lbs