About This Durable Protection: Fits most light duty rotary cutter machines that require shear pin protection and includes 5 replacement shear bolts to add to your rotary kit. Fits Models: RD5, RD6, RZ160, RZ60 ??Gearbox Assembly P/N 00786192. Razorback Series BH4, BH5, BH6, BH4-2, BH5-2, BH6-2. BMB 1080, BMB 10300, Hardee C1378, Mohawek 14-500, Rhino 0711050100, Rhino 71105, Omni 250123, Omni 250001, SE Big Ox 1970, Sidewinder 26272, and Others Industry standard 1-3/8" smooth diameter input shaft with 1/2" shear bolt hole and retaining ring groove and 1.57" diameter 12 tapered spline output shaft allow fitment to most light, standard and medium duty rotary cutters. 1:1.47 Ratio for use on 5' and larger diameter rotary cutters Each gearbox features high speed ball bearing units and heat treated gears and shafts to ensure long life. Four bolt mounting matches industry standards. Each gearbox includes blade carrier mounting nut and cotter pin. Gearboxes are shipped dry and require 16 ounces of 90W or 85w140 gearlube or equivalent.
