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

Deck Mandrel for MTD Cub Cadet 50" RZT

This replacement deck mandrel is designed for 50-inch RZT mower decks and serves as a direct replacement for OEM part numbers 918-04126B, 918-014126, 618-04126, and 918-04125B.

Overview

This deck mandrel is a key component of the mower deck spindle assembly, supporting the blade for efficient cutting. Designed for MTD and Cub Cadet 50-inch RZT mowers, this mandrel ensures smooth rotation and consistent deck performance. The mandrel is built to match OEM specifications for reliable operation.

Built For Performance

• Precision-sealed bearings reduce friction and extend service life
• Zinc-plated spindle resists corrosion in outdoor conditions
• Heavy-duty steel housing withstands impact from debris
• Direct bolt-on design simplifies installation without modification
• OEM-matched dimensions ensure proper belt and blade alignment

Fits These Machines

• for Cub Cadet RZT 50
• for MTD 50-inch RZT mower decks
• for Cub Cadet models with 50-inch RZT deck

On-The-Job Use

• Replacing worn or damaged mandrels on residential and commercial mowers
• Restoring blade rotation and cutting performance after bearing failure
• Maintaining consistent cut quality across uneven terrain

Specs At A Glance

Good To Know

Q: Will this mandrel fit non-RZT decks? A: This mandrel is specifically designed for RZT-style 50-inch decks; other deck types may require different spindle assemblies.

Q: Are the bearings pre-lubricated? A: Yes, the sealed bearings are factory-lubricated and maintenance-free under normal operating conditions.

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