UP2WIN 3 Pack Spindle Assembly 918-04126 / 618-04126 – Compatible with 50-Inch MTD Cub Cadet Decks

Overview

Discover the UP2WIN 3 Pack Spindle Assembly kit, a versatile replacement designed to fit a wide range of 50-inch mower decks. If you service models from MTD, Cub Cadet, Troy-Bilt, Toro and similar brands, this triple-spindle set provides a practical, ready-to-install solution for replacing worn or noisy spindles. The kit centers on a spindle height of 6.3 inches (160 mm) and a pulley diameter of 5.45 inches (138 mm), with a 6-point star center hole for stable mounting. With three spindles in one package, you can refresh multiple axles on a deck or keep spare components on hand for future maintenance.

Why choose this spindle kit

The design emphasizes broad compatibility and straightforward upkeep. Notable references cover MTD, Cub Cadet, Rotary, Toro, Stens and other brands, so you have a broader range of compatible models to consider. The spindles ship pre-greased and include a grease fitting, which helps simplify lubrication as part of routine maintenance. When maintained as recommended, this setup can support smoother belt operation and dependable rotation during demanding mowing tasks.

Built to align with common dimensions, the kit also aims to minimize downtime and hassle—so you can focus more on the task of mowing and less on part hunting.

What’s included and fit details

• 3 x spindle assemblies (model 918-04126, 618-04126-compatible variants)
• 3 x pulleys
• 12 x mounting bolts
• 3 x threaded covers

• Spindle height: 6.3 inches (160 mm)
• Pulley outer diameter: 5.45 inches (138 mm)
• 6-point star center hole design
• Mounting hole spacing: 0.3 inches (8 mm)

Installation tips and maintenance

• Pre-lubricated design helps reduce initial friction; regular greasing with the included fitting supports ongoing reliability.
• Verify model numbers and deck size prior to purchase to ensure a proper fit.

In daily use, this kit is designed to support steady spindle performance during mowing sessions. The triple-pack offers flexibility for multi-spindle decks or future replacements, and the included hardware helps streamline installation and reduce trips to the hardware store.