The Webb R21HW4 53cm (21") self propelled high wheel rotary mower with its easy to start Briggs & Stratton EXI725 Series 4-stroke engine is ideal for the larger size lawn & with its 4-in-1 capability can collect, mulch or discharge to the rear or side. This finest top quality four wheel rotary mower from Webb is tough, easy to operate & powered by a powerful Briggs & Stratton 4-stroke engine, it has driven high wheels at the rear for quick & easy turnaround or negotiating slopes & obstacles.