The Groundsmaster® 4100-D and 4110-D wide area rotary mowers feature an all out-front mower deck for superior operator visibility and increased productivity. These Tier 4 compliant models offer a powerful and efficient Yanmar® turbo-diesel, 55 hp (41 kW) engine and SmartPower™ technology that coupled with the HybridDrive™ cutting deck system delivers optimal power to the cutting blades – efficiently cutting grass even in the toughest conditions. All models in the series include a 10.3' (3.15 m) cutting width, full-time bi-directional four-wheel drive and a SmartCool™ auto-reversing fan that minimizes radiator screen clogging. Operators can either enjoy the open-air 4100-D, or the convenience of a climate-controlled safety cab in the 4110-D model.