Home / Parts / All Series 4″ Roller All Series 4″ RollerPart number 4031894″ Roller replacement supports stable operation and consistent ground contact across varied terrain. Compatible with Gen 4 and Gen 5. Retail Cost: $288.50 Dealer pricing will vary. All Series 4" Roller quantity Add to Quote THE R SERIES:REMOTE-OPERATED SLOPE MOWER REAPER Remote-Controlled Robotic Slope Mower Related Products R Series Replacement Blade and Hardware (Lifted Swing)790169Lifted Swing Replacement Blade and Hardware, meant for grass and lighter vegetation. Kit Contents R Series Bolt (Swing Blade) (402572) × 6 R-52 Belt (Right spindle drive)801489Right Spindle Drive Belt replacement for R-52. Delivers reliable power transfer to keep your deck operating smoothly under load. R Series Belt (Transaxle Drive)801504Transaxle Drive Belt replacement designed for maintaining dependable power transfer across the drive system. R-52 & TK-52XP Belt (PTO)850100PTO Belt replacement for R-52 & TK-52XP. Delivers reliable power transfer to keep your deck operating smoothly under load.