TROY BILT TB105 21 inch 140 cc Gas Push Lawn Mower, Refurbished 2-in-1 204.3 out of 5 Stars. 20 reviews PowerSmart Gas Self-Propelled Lawn Mower, 21 in. B&S Engine 140cc 3-in-1, 6-Position Height Adjustment Reduced price $369.99 ...