The Toro 3100-D is a professional-grade, triplex reel mower equipped with a 21.5 hp (16 kW) Kubota diesel engine. It is designed for high-quality turf maintenance, such as on golf courses, and features adjustable cutting widths of 183 cm or 216 cm. Key features include a series/parallel 3-wheel drive for superior traction, on-board backlapping for reel maintenance, and customizable EdgeSeries cutting units with 5, 8, or 11 blades.