WHAT Groundsmaster® 4000-D. MATTERS A single machine to mow large & small areas. MOST Get ahead of schedule, and under budget. What Matters Most to You Matters Most to Us. Groundsmaster® 4000-D rotary mower. The nimble, zero turning radius coupled with variable 5 ft., 8 ft. and 11 ft. cutting widths allow the operator to get into tight and wide open areas with one machine, day after day. Maximize efficiencies so you can move on to other priorities. Call 800-803-8676 or visit toro.com/GM4000 SUPPLIER PARTNER ©2018 The Toro Company. All rights reserved.