Mulch ON. Mulch OFF. Mulch ON. Mulch OFF. Mulch ON. Mulch OFF. All with the pull of a lever. Increase productivity with the Mulch On Demand Deck by John Deere. Mulch on. Mulch off. Either way cut grass at the perfect size to feed a lawn. You'll get less clean-up, reduce the risk of throwing sticks and rocks and gain more overall productivity and versatility. No cumbersome after-market kit required. See our MOD deck in action at JohnDeere.com/MOD The object is productivity. Only on John Deere Z900 Series Mowers 61919