A great mower for bagging fans, the HI VAC® Mower Deck with its vacuum-like suction efficiently cuts and bags your grass. HI VAC Walk Mowers give your yard an ultra clean finish. This Snapper 21″ walk-behind lawn mower also features a rear wheel drive system with high 10″ rear wheels for superior traction on hills and thick grass. The reliable Briggs & Stratton Professional Series™ OHV Engine keeps you going strong with professional-grade features, including ReadyStart® technology, quieter operation and increased durability.