Briggs & Stratton 5416763FS Aluminum Spindle Assembly for Zero-Turn Mowers

The Briggs & Stratton 5416763FS is a genuine OEM aluminum spindle assembly designed for specific 48-inch cut Ferris 400S and 500S series zero-turn mowers, as well as Snapper Pro S 40 models. This durable spindle assembly ensures reliable blade rotation and optimal cutting performance for commercial-grade lawn equipment.

Key Features:

• Genuine Briggs & Stratton OEM part superseding part number 5416763
• Aluminum construction for durability and corrosion resistance
• Features 6 mounting holes (not threaded per OEM design)
• Compatible with blades having a 13/16" (0.805") center hole diameter
• Designed for 48-inch cutting decks on Ferris and Snapper Pro zero-turn mowers

Installation Notes:

• Requires mounting bolts part number 704146 (SCREW, HEX, 5/16-18X1)
• Torque spindle mounting bolts to 25-30 ft-lbs (34-41 Nm) for proper installation
• Mounting bolts cut threads during installation to secure the spindle
• No washers or nuts required per OEM specifications

This precision-engineered spindle assembly is a critical component for maintaining the performance and reliability of your commercial zero-turn mower's cutting system.