Nut.56-18 Reg Unf Z-y 15X100MA

Specifications

9/16-18

Description:

This is a genuine manufacturer-sourced part which is specially designed for use with Craftsman lawn tractors. The hex nut is used to secure the blade of the lawn tractor. A socket wrench will be required to remove the hex nut from the blade. This part is made of hardened steel and is sold individually.

Frequently Purchased With

Washer.62-1.7 ..
$14.39

Washer.62-1.0-..
$17.97

Shaft Splined..
$23.57

Nut.56-18 Pull..
$10.79

Jackshaft Hsng..
$56.62

Spacer
$6.52

Jackshaft Hsng..
$89.66

Compatibility

This part is compatible with the following machines:

Murray

Expand the 150+ compatible machines

Products Compatibility

This item works with the following types of products:

• Lawn Tractor

Repair Instructions: Submitted by Customers Like You

1 of 1 people found this instruction helpful

Tool Type:

Lawn Mower

Parts Used:

Washer.62-1.0-.18 Fl - 17X165MA

Nut.56-18 Reg Unf Z-y - 15X100MA

Shaft Splined - 94129MA

Pulley-jackshaft 40 - 92851MA

Single Blade - 95103E701MA

Jackshaft Hsng - 492574MA

Repair Difficulty:

Medium

Time Spent Repairing:

30-60 minutes

Tools Used:

Screwdriver, Pliers, Socket set, Wrench Set, Pneumatic impact wrench

Both blade shafts were bent and bearings needed replacing.

1. Removed the cutting deck from the mower.
2. Used an impact wrench to dis-assemble and remove the components.
3. Replaced the upper pulleys, the spindle shafts, the shaft housings (mandrills) and the cutting blades.
4. Reassembled the components.
5. Replaced the cutting deck.

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Tool Type:

Lawn Tractor

Parts Used:

Nut.56-18 Reg Unf Z-y - 15X100MA

Repair Difficulty:

Expert

Time Spent Repairing:

More than 2 hours

Tools Used:

Screwdriver, Pliers, Wrench Set, welder, angel grinder,acet torch

drive belt broke

replaced the drive belt once I got the right size.
then replaced the blades an the deck. had to cut the nuts off the shaft then order new nuts then buy a die to clean up the threads. then tighten everything up then heated one part of the deck up bend it back away from the blade. then welded the broken wheel bracket back on deck then made new pieces to fill in the holes caused by stones flying through the deck. filled the holes then put the deck back on after a little touch up paint. total time about 3 days.

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Tool Type:

Lawn Tractor

Parts Used:

Nut.56-18 Reg Unf Z-y - 15X100MA

Shaft Splined - 94129MA

Spacer - 094130MA

Adapter- Blade - 92466MA

Repair Difficulty:

Easy

Time Spent Repairing:

15-30 minutes

Tools Used:

Socket set, Wrench Set

loose blade stripped threads on shaft

had to remove the mower deck to replace the shaft and reinstall deck

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Tool Type:

Lawn Tractor

Parts Used:

Nut.56-18 Reg Unf Z-y - 15X100MA

Shaft Splined - 94129MA

Single Blade - 95103E701MA

Jackshaft Hsng - 492574MA

Repair Difficulty:

Easy

Time Spent Repairing:

30-60 minutes

Tools Used:

Socket set, Wrench Set, Breaker Bar for all Nuts / Screws

Jack-shilf bearings & shaft wore out, the blades were bad, all new parts purchased fit great.

I used my 2 ton engine lift to raise the lawn tractor mower front end high enough to do the repair job easily. 3 of 5 screws attaching jack-shaft to housing broke. Could not remove the spacer from old main shaft to replace with new shaft. Hardware store for new screws, I had metal tubing on hand to make a new spacer. This old machine is working again.

Thanks, for having all the parts I needed.

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Tool Type:

Lawn Mower

Parts Used:

Washer.62-1.7 11g - B - 17X166MA

Washer.62-1.0-.18 Fl - 17X165MA

Nut.56-18 Reg Unf Z-y - 15X100MA

Mandrel Hsng Assembly - 455962MA

Single Blade - 56217E701MA

Repair Difficulty:

Medium

Time Spent Repairing:

30-60 minutes

Tools Used:

Socket set, Adjustable Wrench

Bad mandrel housing, and broke bolt

Lifted front end of mower and placed on 3 ft. 2x4
Removed mower blade retainer nut , washers and blade found had a broken blade adapter.
then found mandrel was bad.
Removed mandrel Bolts which one of them snapped off.
Removed mower deck pin so front of deck swung down
Removed Mandrel with pulley etc.
Removed pulley and put on New mandrel.
Put mandrel and pulley back into position raising the mower deck and putting pin back in place; had to fight with the belt a little bit. Put bolts in place, tightened them up for mandrel, put blade adapter on then Blade washer and nut and tightened that down and lowered front of lawn mower.

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Tool Type:

Lawn Tractor

Parts Used:

Screw-hex Wshr Hd Tap - 2828635SM

Washer - 17X91MA

Nut.56-18 Reg Unf Z-y - 15X100MA

Shaft Splined - 94129MA

Spacer - 094130MA

Repair Difficulty:

Medium

Time Spent Repairing:

More than 2 hours

Tools Used:

Socket set, Wrench Set, Air rachet

Lawn tractor mower deck needed spindles replaced and new belts.

1. Removed mower deck from tractor.
2. Removed belt guards from deck and removed belts.
3. Removed old blades.
4. Removed all necessary brackets and pulleys to access spindles.
5. Removed all three spindles.
6. Cleaned mower deck, bead blasted rust from deck, primered and painted deck.
7. Installed new parts in spindles and installed spindles in mower deck, lubed spindles with synthetic grease through grease zerts on spindles.
8. Reattached all brackets and installed new blades.
9. Reinstalled pulleys and new belts.
10. Reinstalled belt guards and reconnected mower deck to lawn tractor.
11. Adjusted and leveled mower deck to factory specs.

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0 of 1 people found this instruction helpful

Tool Type:

Lawn Tractor

Parts Used:

Nut.56-18 Reg Unf Z-y - 15X100MA

Muffler Model 28/31 E - 1001717MA

Repair Difficulty:

Easy

Time Spent Repairing:

15-30 minutes

Tools Used:

Screwdriver, Socket set, Wrench Set

Muffler burnt out, lost nut

Removed the old muffler, installed new with no un needed heat shields and replaced missing blade nut.

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Reviews

Average Rating (out of 5):

6 Reviews

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Fits good

It got the use it was for

Guest - August 9, 2023 Verified Purchase

my obselete deck

got info if parts would fit my 2004 mower,he assured they would.I had to modify one with thin washer spacer but works great.

Guest - June 24, 2020 Verified Purchase

Great experience from start to finish!

The replacement parts were easy to order. Thanks to the detailed diagram I was able to order the exact parts I needed. Parts arrived quickly & my mower was up & running in no time!

Guest - May 13, 2020 Verified Purchase

Quality parts and great service

All parts ordered were recieved and of the best quality, it took a week to recieve all parts here in South Africa. An honest pleasure to spend money and get absolutely fantastic service. I will definitely use you guys again. Outstanding.

iGlobal - July 6, 2019 Verified Purchase

parts easy to find on web site and delivered quickly

riding lawnmower replacement parts. repaired and cutting grass again. thanks

Guest - May 7, 2019 Verified Purchase

Mower parts

Always had excellent customer SVC. Mower is fixed, like new. Thanks.

mary lynn - April 25, 2019 Verified Purchase

Verified Purchase

eReplacementParts Team

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Nut.​​56-18 Reg Unf Z-y 15X100MA

Questions & Answers for Nut.​56-18 Reg Unf Z-y

Questions & Answers for Nut.56-18 Reg Unf Z-y