





50051388 Complete Spindle Assembly w/Pulley Hardware Replacement for Bush Hog ATH FTH RDTH EFM TD HDE Finish Mower Rotary Cutter Replaces 88757. This 50051388 Complete Spindle Assembly is a direct replacement mower spindle that fixes loud vibration, shaky decks and uneven cutting on Bush Hog finish mowers & rotary cutters. Our heavy-duty spindle assembly includes full mounting hardware and factory-matched pulley, letting lawn equipment owners skip separate part shopping and restore smooth mower operation in minutes.
Direct Replacement Part Number Match? Matches Number 50051388, replaces obsolete 88757 spindle assembly; this mower spindle fits perfectly without deck modification, no drilling or adjustment required. Solid steel spindle body with black anti-corrosion coating; the spindle assembly resists mud, grass debris and rain rust for year-round outdoor lawn mowing use. Eliminates Vibration & Noisy Deck Issues? Worn spindle causes rattling, shaking and uneven grass cuts; swapping to this sturdy spindle assembly stabilizes your cutting deck for clean, quiet mowing.
Wide Compatibility for Bush Hog Equipment? Universal fit for ATH, FTH, RDTH, EFM, TD & HDE series finish mowers, rotary cutters and zero turn mower decks; one spindle assembly covers most common 49/55/61in deck models.
Grease Port Design for Long Service Life? Built-in grease fitting on the mower spindle lets you lubricate bearings regularly; reduces wear and extends the total lifespan of your spindle assembly. Complete Mower Spindle Assembly with Pull Sheave Pulley. Width: 14cm / 5.51in; Height: 19.1cm / 7.52in. Heavy Duty Cast Steel + Copper Bearing Components.
Black Powder Coating (Rust & Corrosion Resistant). ATH600, ATH720, EFM480, EFM600, RDTH60, RDTH72, FTH480, FTH600, FTH720, TD-1500, TD-1700, HDE 49/55/61in Zero Turn Mowers (NOT for 84 decks). 1x Spindle Assembly, 1x 50074053 Double Groove Pull Sheave Pulley, 1x Grease Zerk Fitting, 3x 1/2" x 1-1/2" Capscrews, 3x 1/2" Locknuts, 3x 1/2" Lockwashers, 1x 1/2" x 1-3/4" Capscrew, 1x 5/8" Locknut, 1x 5/8" Flat Washer, Blade Washer, Safety Washer, Woodruff Key. Mower cutting deck blade spindle support, stabilizes rotary cutter blades. This reliable spindle assembly is essential replacement lawn equipment parts for these users & jobs. Landscaping Business Owners: Swap worn mower spindle on commercial Bush Hog finish mowers for daily large yard maintenance. Farm Property Operators: Repair TD series rotary cutters with this complete spindle assembly for field brush & grass trimming. Zero Turn Mower Home Owners: Fix shaky HDE series 49/55/61 inch cutting decks with a direct-fit mower spindle. Lawn Repair Shops: Stock universal 50051388 spindle assembly to service most Bush Hog ATH/FTH/RDTH/EFM model mowers. Rural DIY Mechanics: Quick at-home spindle replacement with all included hardware, no extra trip to farm supply stores. This all-in-one replacement mower spindle solves common deck vibration and cutting performance problems, ideal for both professional landscapers and residential property owners maintaining Bush Hog lawn cutting equipment.