Part Location Diagram of 918-04456B MTD Lawn Tractor Mandrel Assembly
See part D-1 in the diagram
( Grid squares measure 1x1 inch )

Lawn Tractor Mandrel Assembly 918-04456B

Manufactured by:
MTD
ERP Number:
ERP11813278
Part Number:
918-04456B
Original Equipment Manufacturer ?
In Stock
Delivers in 3-5 Business Days!

A Bit Difficult 

30 - 60 mins 

(4 rated repairs) ?

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Product Description

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This original spindle assembly is a genuine replacement part designed for use with riding lawn mowers. It serves as a complete unit for driving the mower blades and includes the spindle shaft, bearings, spacers, and pulley—all preassembled for convenience. Built for durability and reliable performance, this part helps ensure smooth blade operation and consistent cutting results. Please note that the mounting hardware is sold separately. This spindle assembly is sold individually and is designed to meet OEM specifications for fit and function.

Troubleshooting

This part works with the following brands:
  • MTD
  • Troy-Bilt
  • Yard Machines
  • Yard Man
  • Cub Cadet
  • Poulan
This part works with the following products:
  • Lawn Tractor
  • Lawn Mower
Part# 918-04456B replaces these:
618-04456, 618-04456A, 618-04456B, 618-04461, 618-04461A, 918-04456, 918-04456A, 918-04461, 918-04461A,

Customer Part Reviews

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4.5
Average Rating (out of 5):
★★★★★
★★★★★
(2 Reviews)
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Questions & Answers

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Customer Repair Instructions

All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.

A Bit Difficult 

30 - 60 mins 

(4 rated repairs) ?
  • 1
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Hit a rock earlier in week and broke spindle Assembly

Richard from Pendleton, Oregon

4 of 4 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Pliers, Socket set, Wrench (Adjustable)
Parts Used:
918-04456B
Replaced a broken blade spindle assembly. Removed pulley from new assembly to allow me to slide spindle through hole in blade housing. Then reattached pulley, bolted in assembly unit and installed drive belt back on to pulley. Ran great!
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Spindle assy case broke, pulley didn\'t turn shaft

Mark from Clyde, Texas

2 of 2 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
1- 2 hours
Tools:
Socket set, Wrench set
Parts Used:
918-04456B
1. Removed blade.
2. Relpaced old spindle assembly with new by removing and installing four mount bolts. New housing bolt holes were self threading and took some effort to run up, but went. Now secure.
3. Made sure belt was on pulley properly and working.
4. Sharpened original blade and reinstalled.
Everything wor ked great with even grass cut.
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replace spimdle

Thomas from Gainesville, Florida

1 person found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Wrench set
Parts Used:
918-04456B
removed old spindle and replaced it with an new one. checked it out on YOU Tube how to replace a spindle on mower deck
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Nothing

Dee from Jerome, Idaho

1 person found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Socket set, Wrench set
Parts Used:
918-04456B, 753-08171
1 Remover the Deck
2 disassembled the idles and spindle
3 ordered parts
4 assembled the new parts in mower
5 replaced desk
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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP11813278
Manufacturer Part Number: 918-04456B
Brand Model Number Description
MTD 13A1762F500 Lawn Tractor - Lawn Tractor
Poulan 13A1762F552 Lawn Tractor - Transmatic Lawn Tractor
Yard Machines 13A1762F729 Lawn Tractor - Transmatic Lawn Tractor
MTD 13AC762F052 Lawn Tractor - Front-Engine Lawn Tractor
MTD 13AC762F755 Lawn Tractor - Lawn Tractor
MTD 13AD771G731 Lawn Tractor - Front-Engine Lawn Tractor
MTD 13AJ771G000 Lawn Tractor - Lawn Tractor
MTD 13AJ771G002 Lawn Tractor - Lawn Tractor
MTD 13AJ771G004 Lawn Tractor - Lawn Tractor
MTD 13AJ771G009 Lawn Tractor - Lawn Tractor
MTD 13AJ771G016 Lawn Tractor - Lawn Tractor
MTD 13AJ771G019 Lawn Tractor - Lawn Tractor
MTD 13AJ771G022 Lawn Tractor - Lawn Tractor
MTD 13AJ771G026 Lawn Tractor - Lawn Tractor
MTD 13AJ771G029 Lawn Tractor - Lawn Tractor
MTD 13AJ771G031 Lawn Tractor - Front-Engine Lawn Tractor
MTD 13AJ771G033 Lawn Tractor - Lawn Tractor
MTD 13AJ771G054 Lawn Tractor - Lawn Tractor
MTD 13AJ771G057 Lawn Tractor - Lawn Tractor
MTD 13AJ771G077 Lawn Tractor - Lawn Tractor
MTD 13AJ771G098 Lawn Tractor - Lawn Tractor
MTD 13AJ771G105 Lawn Tractor - Lawn Tractor
MTD 13AJ771G118 Lawn Tractor - Lawn Tractor
MTD 13AJ771G121 Lawn Tractor - Lawn Tractor
MTD 13AJ771G129 Lawn Tractor - Lawn Tractor
MTD 13AJ771G131 Lawn Tractor - Lawn Tractor
MTD 13AJ771G134 Lawn Tractor - Lawn Tractor
MTD 13AJ771G138 Lawn Tractor - Lawn Tractor
MTD 13AJ771G145 Lawn Tractor - Lawn Tractor
MTD 13AJ771G151 Lawn Tractor - Lawn Tractor