Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Tractor Accessories
Lawn & Garden

Model # 633A76 Official Tractor Accessories transaxle

Here are the diagrams and repair parts for Official Tractor Accessories 633A76 transaxle, 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 79 parts  |
Hardened Race Thrust Bearing 6266H
#39

Replacement parts diagram

Hardened race thrust bearing

Part #6266H

Replaced by #532006266

?
Manufacturer substitution
This part replaces 6266H. Substitute parts can look different from the original.
BEST SELLER
$10.66 | 
16% OFF Phone Price : $12.66
Back Order
Seal 6273H
#10

Replacement parts diagram

Seal

Part #6273H

Replaced by #532110542

?
Manufacturer substitution
This part replaces 6273H. Substitute parts can look different from the original.
This item is not returnable
$6.31 | 
14% OFF Phone Price : $7.31
In Stock
Hex Fin Bolt 3159P
#4

Replacement parts diagram

Hex fin bolt

Part #3159P

Replaced by #596322201

?
Manufacturer substitution
This part replaces 3159P. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Cotter Pin 2505P
#12

Replacement parts diagram

Cotter pin

Part #2505P

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

Woodruff Key 9858M1
#81

Replacement parts diagram

Woodruff key

Part #9858M1

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

Needle Brg 4895H
#58

Replacement parts diagram

Needle brg

Part #4895H

Replaced by #532004895

?
Manufacturer substitution
This part replaces 4895H. Substitute parts can look different from the original.
This item is not returnable
$12.79 | 
14% OFF Phone Price : $14.79
In Stock
Lock Washer 1003P
#5

Replacement parts diagram

Lock washer

Part #1003P

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

Lock Washer 1007P
#16

Replacement parts diagram

Lock washer

Part #1007P

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

Thrust Bearing 1370H
#59

Replacement parts diagram

Thrust bearing

Part #1370H

Replaced by #532001370

?
Manufacturer substitution
This part replaces 1370H. Substitute parts can look different from the original.
This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Ball 7392M
#35

Replacement parts diagram

Ball

Part #7392M

Replaced by #532100482

?
Manufacturer substitution
This part replaces 7392M. Substitute parts can look different from the original.
This item is not returnable
$5.79 | 
15% OFF Phone Price : $6.79
In Stock

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

View all

Why won't my treadmill power up?

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

Read more

Why is my treadmill's walking belt off center?

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

Read more

Why won't my treadmill start even though the console display works?

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Read more

Why is my treadmill's heart rate sensor not accurate?

Main causes: faulty sensors, wiring failure, bad control console…

Read more

Why does my treadmill have no display?

Main causes: bad control console, wiring failure, bad motor control board…

Read more

Why does my treadmill's walking belt slow down?

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Read more

Why is my treadmill's walking belt slipping?

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

Read more

Repair guides for treadmills

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

View all
How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your fitness & exercise

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

View all
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.…

Read more

Parts & More