From inside (document excerpt):
REENSMASTER 3050 / 3100 / 3150 / 3250 DPA CUTTING UNITS & ACCESSORIES FOR GREENSMASTER 04610 04611 04625 04626 04627 04646 04628 71-1550 106-2626 107-9522 106-2616 106-4661 106-4662 106-4663 106-4664 106-4699 106-6945 106-6938 8 Blade Cutting Unit (Set of 1) 11 Blade Cutting Unit (Set of 1) Full Roller (Set of 3) Narrow Wiehle Roller (Set of 3) Wide Wiehle Roller (Set of 3) Scraper – Rear Roller DP (Set of 3) Steel Roller Kit (Set of 1) (machined solid steel front wide Whiele & solid steel rear roller) Rear Wiehle Roller (2 in (Set of 1) Accessories 5 Blade HD Reel (Set of 1) 8 Blade HD Reel (Set of 1) Rotating Brush, Groomer(Set of 1) Scraper Kit, Narrow Wie (Set of 1) Scraper Kit, Wide Wiehl (Set of 1) Scraper Kit, Full Roller (Set of 1) Scraper Brush (Set of 1) High Height of Cut Kit ( (Set of 1) Rear Roller (Replacemen(Set of 1) Short Lift Bail (Set of 1) (GR 3250, for sidehill operation) Note: When installing DPA cutting units on traction units F’03 and older, you need to order the following parts for each cutter: GR 3250 GR 3050/3100/3150 1 x 106-2601 Lift Link 1 x 105-5740 Lift Hook 1 x 105-5738 Lift Strap 2 x 33115-025 Screws 2 x 33115-025 Screws DPA Groomers & Rotating Rear Roller Brushes GR 3050/3100/3150 04630 Groomer (Set of 3) 04640 Rotating Rear Roller Bru (Set of 3) GR 3200/3250 04631 Groomer (Set of 3) 04641 Rotating Rear Roller Bru (Set of 3) All DPA Groomers 106-2616 Groomer, Rotating Brush(Set of 1)