MTD CUB CADET 50" RZT SPINLDE 918-04126B 918-014126 618-04126 918-04125B

Spindle for MTD Cub Cadet

This replacement spindle assembly is designed for MTD Cub Cadet 50-inch RZT mowers, with OEM cross-reference numbers 918-04126B, 918-014126, 618-04126, and 918-04125B.

Overview

This spindle assembly is a critical component for the cutting deck of MTD Cub Cadet RZT zero-turn mowers. It houses the blade shaft and bearings, ensuring smooth blade rotation for a clean cut. Designed as a direct replacement for OEM part numbers 918-04126B and related, this spindle keeps your 50-inch deck operating efficiently.

Built For Performance

• Constructed with durable steel housing to withstand mowing stress
• Precision-sealed bearings reduce friction and extend service life
• Includes mounting hardware for straightforward installation
• Rust-resistant finish protects against moisture and debris
• Engineered to match OEM dimensions for accurate blade alignment

Fits These Machines

• for MTD Cub Cadet 50-inch RZT mowers

On-The-Job Use

• Used on zero-turn mowers for residential and commercial lawn care
• Ideal for maintaining large, open lawns and estates
• Replaces worn spindles to restore cutting performance
• Handles tall grass and rough terrain with reliable blade speed

Specs At A Glance

Good To Know

Q: Will this spindle fit my Cub Cadet RZT? A: It is designed for 50-inch deck models; verify your deck size and original part number to confirm.

Q: How often should I replace mower spindles? A: Inspect spindles annually; replace if you notice blade wobble, unusual noise, or uneven cutting.

Slight variation in finish or dimensions may occur between production runs, and confirm compatibility before ordering.