The WER21HW4 is the largest lawnmower in the ‘Supreme’ range. Self-propelled, 4-in-1 capability and a Briggs & Stratton 725EXI engine.Webb’s largest Supreme lawnmower is packed full of premium features and built to last. With a powerful Briggs & Stratton 725EXI engine, durable steel cutter deck and cutting performance that is second to none thanks to an innovative 4-in-1 including a mulch plug, to allow your cuttings to be finely trimmed into small pieces providing nutrients to your grass area. Features and Benefits EASY-START, SMOOTH AND ROBUST 725EXI ENGINE – the 163cc Briggs & Stratton 725EXi Series Engines is the most convenient engine in this industry, with all of their features that make your life easier. Ready Start Starting System allows for instant start, there is no need to prime or choke before starting up – just pull the cord! These new models are lightweight and easy to maneuver 4 IN 1 FUNCTION – Clippings are gathered in up to a large 65-litr