Deck Blade For Ariens 1540 1740 1840 1944 2044 2048 2352 PM144Z Notched Hi-Lift Premium Quality Replacement PartDeck Spindle with Double PulleyCompatible with Ariens Models: 888308 48" Side-Discharge (SN: 000101 & Above) Walk-Behind Mower 988319 (HR1544FXPCE) 44" 15hp Kw. (SN: 000101 & Above) 988320 (HE1748FLPCE) 48" 17hp Kw. (SN: 000101 & Above) Zoom Zero-Turn Mower 992062 (2552 XL) 52" 25hp Koh. (SN: 000101 & Above) 992063 (2560 XL) 60" 25hp Koh. (SN: 000101 & Above) Pro-Master 44" Zero-Turn Mower 992312 (PM 144 Z) 21hp Kw. (SN: 000101 - 000999) 992315 (PM 144 Z) 19hp Kw. (SN: 004000 & Above) Compatible with Gravely Models: Pro-Master 310 890012 50" (SN: 000101 & Above) 890013 60" (SN: 000101 & Above) 890014 72" (SN: 000101 & Above) Pro-Gear 48" Walk-Behind Mower 988102 (GR 1548 FX) (SN: 000101 & Above) 15hp Kw. 988103 (GR 1548 FL), Float (SN: 000101 & Above) 15hp Kw. 988104 (GR 1748 FL), Float (SN: 000101 & Above) 17hp Kw. Pro-Hydro 48" Walk-Behind Mower 988106 (HR 1548 FX) (SN: 000101 & Above) 15hp Kw. 988107 (HE 1748 FL) (SN: 000101002999) 17hp Kw. 988108 (HE 1748 FL) (SN: 000101 & Above) 17hp Kw. Pro-Hydro 52" Walk-Behind Mower, 17hp Kw. 988109 (HE 1752 FL) (SN: 000101001999) Pro-Master 50" Zero-Turn Mower 992018 (PM 250Z) 25hp Koh.. (SN: 000101009999) 992020 (PM 260Z) 25hp Koh. (SN: 000101009999) 992021 (PM 250Z) 22hp Rob. Sub. (SN: 000101009999) 992022 (PM 260Z) 25hp Koh. (SN: 000101009999) 992023 (PM 250Z) 20hp B&S (SN: 000101009999) 992024 (PM 260Z) 22hp Rob. Sub. (SN: 000101009999) 992305 (PM 250Z) 22hp Rob. Sub. (SN: 000101009999) Order Includes: 1 x Spindle Assembly: 58810800, 59202600, 59225700, 59215400 69219700, 69221300, 59114000, 59201000, 59215500, 59225800 09239400, 59109800Length: 188.3mm - 7.41 in Mounting Hole Distance: 72.8mm - 2.86 in Inner Diameter: 8mm - 0.31 in Outer Diameter: 132.5mm - 5.21 in Bolt Length: 31.1mm - 1.23 in Material: Cast Iron1 x Double Pulley: 09253200, 09242600, 59202300 Width: 52.7 mm - 2.07 in Inner Diameter: 25.2 mm - 0.99 in Outer Diameter: 134.5 mm - 5.29 in