Cub Cadet Spindle Assembly #918-05125

Keep your Cub Cadet commercial zero-turn mower cutting cleanly and safely with the genuine OEM Spindle Assembly (Part #918-05125). This is a genuine OEM Spindle Assembly for the Fabricated Deck — the precision-machined hub that mounts the cutting blade to the mower deck, controls its rotation, and absorbs the enormous mechanical forces of commercial mowing at high blade tip speeds. Includes pulley. Does not include mounting screws.

This is a high-demand commercial spindle used across Cub Cadet’s entire Tank and Wide-Area Mower platform, confirmed by customers as a perfect OEM fit for the Cub Cadet Tank commercial zero-turn line.

Compatible Models: Tank M48, Tank M54, Tank M60, Tank M60 EFI, Tank M60 LC, Tank M60 ROPS, Tank M72, Tank M72 LC, Tank S6031, Tank S6031 LP, Tank S6032-D, Wide-Area GF1748, Wide-Area HF1748, Wide-Area HF1954, Wide-Area HFF1748, and DS60.

Replaces These Part Numbers: 618-05125, 01003532P, 01003532AP, 01003532A, and 01003532.

Key Features:

• Genuine OEM Spindle Assembly — Fabricated Deck – Manufactured to the exact specifications of the original fabricated deck spindle for guaranteed fit and performance across the entire Tank and Wide-Area Mower commercial platform
• Includes Pulley – The complete assembly arrives ready to install without sourcing the belt drive pulley separately — one part number, one order, complete repair
• Commercial-Grade Fabricated Deck Design – Engineered specifically for Cub Cadet’s commercial-grade fabricated steel decks, built to withstand the higher blade speeds, longer daily run hours, and more demanding cutting conditions of professional landscaping use
• Critical Blade Control and Safety Function – The spindle controls the safe rotation of the mower blade during operation. On commercial fabricated decks, the spindle is engineered to protect the deck shell and drivetrain from catastrophic damage if the blade strikes a hard object
• Steel Construction – Commercial mower deck spindles use steel construction for maximum durability and wear resistance under the continuous high-load demands of professional use — unlike the aluminum spindles found on residential equipment
• Wide Platform Compatibility – A single part number covers the full Tank M and Tank S series plus the entire Wide-Area Mower lineup, from 48-inch to 72-inch cutting widths across Kohler, Kawasaki, Honda, and EFI engine configurations
• Sold Individually – Order the quantity needed for your deck configuration; 3-packs are also available for full deck rebuilds
• Mounting Screws Sold Separately – The assembly does not include mounting screws; verify screw specifications with your model’s parts diagram before ordering

Most Common Reasons to Replace:

• Excessive vibration or wobbling during operation
• Unusual grinding, squealing, or rattling noise from the deck
• Blade not spinning despite belt being intact
• Visible bearing failure, housing cracks, or seized shaft
• Uneven or scalped cutting pattern caused by a bent spindle shaft

Why Genuine OEM for a Commercial Spindle? The Tank and Wide-Area Mower platforms are built for commercial daily use — and the spindle is one of the highest-stress components on the deck. Aftermarket spindles may differ in bearing quality, housing alloy, shaft hardness, or pulley geometry, leading to accelerated wear, premature bearing failure, or belt misalignment that damages the entire deck drive system. A genuine Cub Cadet OEM spindle assembly delivers the exact fit, material specification, and dimensional tolerances the original design demands — protecting the deck, the belt, and the blades for the long term.

Part Details:

• OEM Part Number: 918-05125
• Also Listed As: 618-05125
• Replaces: 01003532, 01003532A, 01003532AP, 01003532P
• Part Type: Spindle Assembly / Blade Spindle / Fab Deck Spindle
• Includes: Pulley
• Does Not Include: Mounting screws
• Deck Type: Fabricated (Fab) Deck
• Compatible Series: Cub Cadet Tank M, Tank S, Wide-Area Mower (WAM), DS60
• Cutting Widths: 48″, 54″, 60″, 72″ deck configurations
• Brand: Cub Cadet / MTD (Genuine OEM)