Spindle Assembly for 46" Deck Cub Cadet MTD Troy-Bilt 618-04123B

Restore cutting performance on your 46" Cub Cadet or MTD-built mower with this direct replacement spindle assembly, built to fit models using round-hole blades. Compatible with pre-2007 lawn tractors, this spindle ensures smooth blade rotation and long-lasting durability. Available in single or 3-pack.

Replaces OEM Part Numbers:

Cub Cadet & MTD:

• 618-04123B

• 918-04123B

Aftermarket Equivalents:

• Rotary: 11963

• Stens: 285-842

• Sierra: 70-03187

• Oregon: 82-412

Compatible Brands & Models

Cub Cadet:
LT1022, LT1045, LT1046, LT1046KW, LT1046M, LT1046VT

MTD:
Yard Machines and Yard-Man 46" deck models
White Outdoor 46" deck models

Troy-Bilt:
Super Bronco 46, Mustang 46

For round-hole blades only. Not compatible with 6-point star shafts.

Key Features & Specs:

• Designed for 46" mower decks (pre-2007)

• Round shaft for bolt-on blade mounting

• Includes housing, shaft, grease fitting

• 4-bolt mounting pattern

• Pulley and mounting bolts sold separately

• Built from high-strength materials for durability

• Available in single or 3-pack options for convenience

Why Choose This Replacement?

• OEM-compatible performance

• Reliable fit for multiple brands under MTD

• Easy to install for DIY or commercial service

• Ideal for restoring older Cub Cadet, Troy-Bilt, or Yard-Man mowers

Confirm Before Ordering

This spindle is designed specifically for 46" decks using round-hole blades on 2007 and earlier models. Always check your blade type and part number.