Lawn-Boy 10738 Briggs and Stratton Electric Start Self Propelled Walk-Behind Mower, 21-Inch Briggs and Stratton 6.25 ft. lb. gross torque engine combines Ready Start and electric start, just turn the key and go With Lawn-Boy's Tru-Start commitment, if the mower doesn't start in 2 pulls, Lawn-Boy will fix it free Rear wheel drive self propel provides better traction in all cutting conditions - let the mower do the work 21 in. wide cutting deck makes mowing easy 1-4 in. cutting height range provides the operator a perfect cut a according to their needs