Craftsman
Engine & Drivetrain

Model # 91779935 Official Craftsman 4-lead gearcase

Here are the diagrams and repair parts for Official Craftsman 91779935 4-lead gearcase, 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.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 36 parts  |

Lawn & Garden Equipment Bearing 77881
#9

Kit no. 79935 diagram

Lawn & garden equipment bearing

Part #77881

Replaced by #532077881

?
Manufacturer substitution
This part replaces 77881. Substitute parts can look different from the original.
In Stock
Lawn Tractor Transaxle Wheel Axle Oil Seal 57072
#6

Kit no. 79935 diagram

Lawn tractor transaxle wheel axle oil seal

Part #57072

Replaced by #532057072

?
Manufacturer substitution
This part replaces 57072. Substitute parts can look different from the original.
In Stock
Husqvarna Lawn & Garden Equipment Washer (replaces 532057079, 5320570-79) 57079
#12

Kit no. 79935 diagram

Husqvarna lawn & garden equipment washer (replaces 532057079, 5320570-79)

Part #57079

Replaced by #532057079

?
Manufacturer substitution
This part replaces 57079. Substitute parts can look different from the original.
This item is not returnable
In Stock
Engine Pulley 83121
#22

Kit no. 79935 diagram

Engine pulley

Part #83121

Replaced by #532084596

?
Manufacturer substitution
This part replaces 83121. Substitute parts can look different from the original.
$27.98
18% OFF Phone Price : $33.98
In Stock
Shifter Assembly 83488
#3

Kit no. 79935 diagram

Shifter assembly

Part #83488

Replaced by #582944501

?
Manufacturer substitution
This part replaces 83488. Substitute parts can look different from the original.
This item is not returnable
In Stock
Helical Gear 83659
#19

Kit no. 79935 diagram

Helical gear

Part #83659

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

Belt Snubber 83629
#21

Kit no. 79935 diagram

Belt snubber

Part #83629

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

Worm 83680
#32

Kit no. 79935 diagram

Worm

Part #83680

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

Lawn & Garden Equipment V-belt 83691
#18

Kit no. 79935 diagram

Lawn & garden equipment v-belt

Part #83691

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

Drift Lock Pin 53912
#14

Kit no. 79935 diagram

Drift lock pin

Part #53912

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.

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

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

Main causes: angle indicator needs adjustment, dull blade…

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

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

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

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.

How to replace a band saw on-off switch

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

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

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.

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

How to tell if a fuse is blown

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

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…