918-04126B 50 Inch RZT Deck Mandrel for MTD Cub Cadet

Product Overview

This deck mandrel drives the mower blades on MTD Cub Cadet 50" RZT zero-turn mowers. It is a direct replacement for worn or damaged mandrels, restoring cutting performance. Designed for heavy-duty use, this mandrel ensures reliable blade rotation for a clean, even cut.

Key Features & Performance

• Precision-machined steel housing for long-lasting durability
• Includes sealed bearings to reduce maintenance
• Direct fit replacement for OEM part numbers 918-04126B, 918-014126, 618-04126, 918-04125B
• Engineered to withstand high-speed blade rotation and debris impact
• Easy installation with standard tools

Fitment & Compatibility

• Compatible with MTD Cub Cadet 50" RZT mower decks
• Fits select Cub Cadet zero-turn models with 50-inch cutting decks

Common Uses

• Replacing worn mandrels on Cub Cadet RZT mowers
• Restoring blade drive function on 50-inch mower decks
• Maintaining lawn mower cutting performance during mowing season
• Repairing deck assemblies after impact with rocks or roots

Technical Specifications

• Part Number(s): 918-04126B, 918-014126, 618-04126, 918-04125B

Frequently Asked Questions

Q: Will this mandrel fit a 2008 Cub Cadet RZT 50? A: It is designed for use with MTD Cub Cadet 50-inch RZT decks; however, verify compatibility by checking your mower's serial number and existing part number.

Q: Does this mandrel include the blade? A: No, this is the mandrel assembly only—blades are sold separately.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.