Model # 51940 Official Toro brush cutter

Here are the diagrams and repair parts for Official Toro 51940 brush cutter, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

Click a diagram to see the parts shown on that diagram.
In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 10 of 124 parts |

#32

Engine diagram

Toro screw-clutch

Part #6635301

This item is not returnable

$5.49

In Stock

Qty

#35

Engine diagram

Toro clip-hose

Part #6969901

This item is not returnable

$6.51

In Stock

Qty

Upper shaft diagram

Toro button-off lock

Part #983623001

$7.71

In Stock

Qty

#28

Upper shaft diagram

Toro nut-he x

Part #81068

This item is not returnable

$5.49

In Stock

Qty

Piston diagram

Ring

Part #6968602

The manufacturer no longer makes this part, and there's no substitute part

Attachment shaft diagram

Gear case

Part #PA01364

The manufacturer no longer makes this part, and there's no substitute part

#10

Attachment shaft diagram

Lawn & garden equipment hex nut

Part #04277

The manufacturer no longer makes this part, and there's no substitute part

#30

Engine diagram

Rotor

Part #6457401

The manufacturer no longer makes this part, and there's no substitute part

Piston diagram

Washer keeper

Part #6968701

The manufacturer no longer makes this part, and there's no substitute part

Attachment shaft diagram

Hex washer

Part #983774003

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for band saws

Choose a symptom to see related band saw repairs.

View all

Why does my band saw blade slip off the wheel?

Main causes: damaged rubber tire, worn wheel bearings, loose blade tension, dull saw blade…

Why does my band saw make ragged cuts?

Main causes: dull blade, using the wrong type of blade, feeding work piece to quickly, loose blade tension…

Why does my band saw make inaccurate bevel cuts?

Main causes: angle indicator needs adjustment, dull blade…

Why won't my band saw cut straight?

Main causes: dull blade, improper feeding, loose blade tension, not using a work piece guide…

Why won't my my band saw's blade move?

Main causes: broken saw blade, bad drive belt, damaged rubber tire…

Why is my band saw cutting slowly?

Main causes: dull blade, using the wrong type of blade, weak drive motor…

Why won't my band saw start?

Main causes: lack of electrical power, broken power cord, bad on/off switch, faulty drive motor…

Repair guides for band saws

These step-by-step repair guides will help you safely fix what’s broken on your band saw.

View all

How to replace a band saw on-off switch

If the switch won't turn the band saw on or off, it could be defective. Replace the switch, using these steps.…

Repair difficulty

Time required

15 minutes or less

How to replace a band saw drive belt

If the motor runs but the blade doesn't move, it could be that the drive belt is broken. Here's how to replace it.…

Repair difficulty

Time required

15 minutes or less

How to replace a band saw blade

If the saw blade is dull or damaged and isn't cutting cleanly, replace the blade following these steps.…

Repair difficulty

Time required

15 minutes or less

Articles and videos for band saws

Use the advice and tips in these articles and videos to get the most out of your band saw.

View all

Top questions about Sears and Sears PartsDirect

How to tell if a fuse is blown

Learn how to tell whether a fuse is blown…

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

Model # 51940 Official Toro brush cutter

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for band saws

Why does my band saw blade slip off the wheel?

Why does my band saw make ragged cuts?

Why does my band saw make inaccurate bevel cuts?

Why won't my band saw cut straight?

Why won't my my band saw's blade move?

Why is my band saw cutting slowly?

Why won't my band saw start?

Repair guides for band saws

How to replace a band saw on-off switch

How to replace a band saw drive belt

How to replace a band saw blade

Articles and videos for band saws

Top questions about Sears and Sears PartsDirect

How to tell if a fuse is blown

How to use a multimeter to test electrical parts video

Parts & More

Stay Connected

Quick links

Let us help you

More resources