48" (1220 mm) cut Ariens Max Zoom 48 (991085 models with serial # 000101 - 009999, 010000 - 019999, 020000 - 029999, 030000 - 044999, 045000 - 049999, 050000 - 059999, 060000 and onwards) zero turn ride-on lawnmower models.
52" (1320 mm) cut Ariens Max Zoom 52 (991086 models with serial # 000101 - 009999, 010000 - 019999, 020000 - 029999, 030000 - 044999, 045000 - 049999, 050000 - 059999, 060000 and onwards) zero turn ride-on lawnmower models.
60" (1524 mm) cut Ariens Max Zoom 60 (991087 models with serial # 000101 - 009999, 010000 - 019999, 020000 - 029999, 030000 - 044999, 045000 - 049999, 050000 - 059999, 060000 and onwards) zero turn ride-on lawnmower models.
44" (1118 mm) cut GRAVELY Compact-Pro 44 (991089 models with serial # 000101 - 019999, 020000 - 040999, 041000 - 049999, 050000 and onwards) and GRAVELY ZT HD 44 (991090 models with serial # 000101-009999, 010000 - 019999, 020000 - 029999, 030000 - 034999, 035000 - 059999, 060000 and onwards and 991107 models with serial # 035000 - 044999, 060000 and onwards) zero turn ride-on lawnmower models.
48" (1220 mm) cut GRAVELY Pro-Turn 48 (991200 models with serial # 030000 - 039999, 040000 and onwards) and GRAVELY ZT HD 48 (991082 models with serial # 000101 - 009999, 010000 - 019999, 020000 - 029999, 030000 - 034999, 035000 - 044999, 045000 - 049999, 050000 - 059999, 060000 and onwards) zero turn ride-on lawnmower models.
52" (1320 mm) cut GRAVELY Pro-Master 252M (992212 models with serial # 000101 - 002999) zero turn ride-on lawnmower models.
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Some early models such as GRAVELY Compact-Pro 44 models (991088) used a different spindle assembly, please check your model number and serial numbers carefully prior to ordering.