Rotary 13177. Ariens / Gravely 03971900/03746500 (03746500 old #) Blade for 50" Zoom & ZT50. Without Air Lift Holes.

Replaces
ARIENS: 03746500, 03971900
GRAVELY: 03746500, 03971900

Fits Models
ARIENS: Zoom, ZT 50, 911410 WAW 34 13.5hp B&S Swivel, 911413 WAW 34, 911413 WAW 34 14.5hp B&S Swivel, 915131 B&S 34", 915131 B&S 34", 915131 Zoom 1334 13hp B&S 34", 915141 B&S 42", 915143 Kawasaki 50", 915151 B&S 34", 915151 B&S 34", 915155 B&S 42", 91515
GRAVELY: 915140 ZT 34, 915142 ZT 42, 915144 ZT 50, 915146 ZT 34, 915148 ZT 42, 915150 ZT 50, 915168 ZT 34, 915170 ZT 42