Groundsmaster 5900/5910 ® The Groundsmaster® 5900 Series mowers are loaded with productivity boosting advantages, including a 16' width of cut that leaves no uncut grass in 180° turns. The SmartCool auto-reversing TM cooling fan, onboard InfoCenter diagnostics, SmartPower technology and comfortable climate TM TM controlled cab and more make the Groundsmaster 5900 series unrivalled in productivity. Now with a completely redesigned and more fuel-efficient Tier 4 compliant engine. toro.com/5900 ©2016 The Toro Company. All rights reserved. Cut an acre of grass in less than 5 minutes.