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8842390-1-M-Toro-112-3977-Bolt-shoulder
Part Location Diagram of 112-3977 Toro Bolt-shoulder
See part A-24 in the diagram
8842390-1-S-Toro-112-3977-Bolt-shoulder 360 view
( Grid squares measure 1x1 inch )
8842390-1-S-Toro-112-3977-Bolt-shoulder 8842390-2-S-Toro-112-3977-Bolt-shoulder 8842390-3-S-Toro-112-3977-Bolt-shoulder 8842390-1-S-Toro-112-3977-Bolt-shoulder 360 view
Part Location Diagram of 112-3977 Toro Bolt-shoulder

Bolt-shoulder 112-3977

Manufactured by:
Toro
ERP Number:
ERP8842390
Part Number:
112-3977
Original Equipment Manufacturer ?
  Works with your model  74824!
$14.97
★★★★★
★★★★★
2 Reviews
Special Order

Easy 

15 - 30 mins 

(3 rated repairs) ?
  Works with your model   74824!

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Description Frequently Purchased Together Troubleshooting Reviews Questions & Answers Repair Instructions Model Cross Reference

Product Description

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This is an original replacement part manufactured for use with riding lawnmowers. The shoulder bolt is commonly used to secure the anti-scalp roller to the mower's deck. This shoulder bolt is available as an individual replacement part, please see model diagram for associative parts.

Frequently Purchased Together

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Nut-flange, Ni
$5.95
In Stock

Troubleshooting

This part works with the following brands:
  • Toro
  • Exmark
  • Lawn Boy
This part works with the following products:
  • Lawn Mower
  • Lawn Tractor
Part# 112-3977 replaces these:
112-3977,
★

Customer Part Reviews

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5.0
Average Rating (out of 5):
★★★★★
★★★★★
(2 Reviews)
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  • 1
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★★★★★
★★★★★
Toro wheel bolt
Good toro zero turn mower parts. Good price and fast service. I would highly recommend if you need any part. Don M Texas
Guest - March 23, 2020
Verified Purchase
★★★★★
★★★★★
Easy Repair!
Installed easily, an exact replacement for the broken part.
Guest - April 30, 2021
Verified Purchase

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.

Easy 

15 - 30 mins 

(3 rated repairs) ?
  • 1
Sort by:  
Sorry, we couldn't find any existing installation instruction that matched.

Anti scalp rollers over 10 years old and worn.

Mark from Smithfield, Virginia

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Socket set, Wrench set
Parts Used:
112-3977, 1-603299
Removed bolt and nut from rollers with a box and socket wrench. 5/8\"
Installed new rollers and carrier bolts and nuts.
I applied liquid wrench on bolts prior to removal of the old rollers and let it soak in for a few minutes before wrenching.
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Thank you for voting!

deck well shoulder bolt broke and I damaged the deck wheel

Ronald from Drummonds, Tennessee

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Socket set, Wrench set
Parts Used:
112-3977, 104-8301
1. raised unit off the ground with electric ceiling mounted lift.
2. removed old belt and installed new belts
3. removed new parts from package.
4. Applied grease to shoulder bolt,
5. Put the new shoulder through deck wheel, installed nut and tighten.
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idler pulley threw out the bearings, shoulder bolt on the anti-scalp wheel had broke and just re[lplaced it.

Nelson from Fort Scott, Kansas

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Wrench set
Parts Used:
132-9420, 112-3977
took bolt out of deck and put new pulley on. replaced broken shoulder bolt with wheel and tightened them both down and was finished in less than 1/2 hour.
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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP8842390
Manufacturer Part Number: 112-3977
Brand Model Number Description
Toro 136 Lawn Mower - 136/Serial: 136e280000001-136e280999999/2008
Toro 136E Lawn Mower - 136e/Serial: 280000001-280999999
Toro 71255 Lawn Mower - Toro Lawn Mower Model 71255 Parts
Toro 725058016 Lawn Mower - 725058016/Serial: T07zf0001-
Toro 725058046 Lawn Mower - 725058046/Serial: T08zt0001-
Toro 725058056 Lawn Mower - 725058056/Serial: T07zu0001-
Toro 725058066 Lawn Mower - 725058066/Serial: T07zv0001-
Toro 725058076 Lawn Mower
Toro 725058086 Lawn Mower - 725058086/Serial: T09zw0001-
Toro 72510 Lawn Mower - Grandstand Hdx Mower, With 60in Turbo Force Cutting Unit
Toro 72514 Lawn Mower - Grandstand Hdx Mower, With 60in Turbo Force Cutting Unit
Toro 72517 Lawn Mower - Grandstand Hdx Mower, With 72in Turbo Force Cutting Unit
Toro 74360 Lawn Tractor - Lawn Tractor
Toro 74363 Lawn Tractor - Lawn Tractor
Toro 74365 Lawn Tractor - Lawn Tractor
Toro 74366 Lawn Tractor - Lawn Tractor
Toro 74370 Lawn Mower - 74370/Serial: 290000001-290999999
Toro 74372 Lawn Tractor - Lawn Tractor
Toro 74373 Lawn Tractor - Lawn Tractor
Toro 74374 Lawn Tractor - Lawn Tractor
Toro 74375 Lawn Tractor - Lawn Tractor
Toro 74376 Lawn Tractor - Lawn Tractor
Toro 74380 Lawn Tractor - Lawn Tractor
Toro 74381 Lawn Tractor - Lawn Tractor
Toro 74386 Lawn Mower - Toro Lawn Mower Model 74386 Parts
Toro 74387 Lawn Mower - Toro Lawn Mower Model 74387 Parts
Toro 74389 Lawn Mower - Toro Lawn Mower Model 74389 Parts
Toro 74390 Lawn Mower - Toro Lawn Mower Model 74390 Parts
Toro 74391 Lawn Mower - 74391/Serial: 290000226-290999999
Toro 74395 Lawn Mower - Toro Lawn Mower Model 74395/SERIAL: 313000001-313999999 (74395/SERIAL:313000001313999999, 74395/SERIAL: 313000001 313999999) Parts
Bolt-shoulder
$ 14.97
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