Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
Troybilt 21A-634A766 tiller

Troybilt 21A-634A766 tiller Parts

Here are the diagrams and repair parts for Troybilt 21A-634A766 tiller, as well as links to manuals and error code tables, if available.

By Schematic
By Part
SELECT DIAGRAM
?

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

Browse Parts for 21A-634A766 Tillers

  • Shim - Same As Above, .062" Thick for Troybilt 21A-634A766 - Part 736-04305

    Driveshaft assembly diagram

    Shim

    Part #GW-1224-4

    Replaced by #736-04305

    Info Icon
    Manufacturer substitution
    This part replaces GW-1224-4. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $5.91
    Minus Item
    Qty
    Plus Item
  • Kmart Reverse Arm for Troybilt 21A-634A766 - Part 786-04092-4044

    Tine hood/transmission diagram

    Reverse Arm

    Part #1916570

    Replaced by #786-04092-4044

    Info Icon
    Manufacturer substitution
    This part replaces 1916570. Substitute parts can look different from the original.
    In Stock
    $61.14
    Minus Item
    Qty
    Plus Item
  • Shield for Troybilt 21A-634A766 - Part 686-04077B-0638

    Tine hood/transmission diagram

    Hood Assy-ti

    Part #686-04041

    Replaced by #686-04077B-0638

    Info Icon
    Manufacturer substitution
    This part replaces 686-04041. Substitute parts can look different from the original.
    In Stock
    $238.25
    5% OFF Phone Price : $250.25Info Icon
    Minus Item
    Qty
    Plus Item
  • Shim - Front Bearing Cap, .010" Thick for Troybilt 21A-634A766 - Part 736-04308

    Driveshaft assembly diagram

    Shim

    Part #GW-1224-1

    Replaced by #736-04308

    Info Icon
    Manufacturer substitution
    This part replaces GW-1224-1. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $8.09
    Minus Item
    Qty
    Plus Item
  • Lawn & Garden Equipment Cotter Pin for Troybilt 21A-634A766 - Part 714-04048

    Wheel and tire assembly diagram

    Clinch Pin

    Part #GW-9338

    Replaced by #714-04048

    Info Icon
    Manufacturer substitution
    This part replaces GW-9338. Substitute parts can look different from the original.
    In Stock
    $14.74
    Minus Item
    Qty
    Plus Item
  • Depth Drive Bar for Troybilt 21A-634A766 - Part 786-04104

    Tine hood/transmission diagram

    Drag Bar

    Part #GW-55015

    Replaced by #786-04104

    Info Icon
    Manufacturer substitution
    This part replaces GW-55015. Substitute parts can look different from the original.
    In Stock
    $47.64
    Minus Item
    Qty
    Plus Item
  • Kit-service for Troybilt 21A-634A766 - Part 753-06459A

    Cable assembly / handlebars diagram

    Red Handleba

    Part #GW-55043

    Replaced by #753-06459A

    Info Icon
    Manufacturer substitution
    This part replaces GW-55043. Substitute parts can look different from the original.
    In Stock
    $160.10
    Minus Item
    Qty
    Plus Item
  • Lawn Mower Idler Arm for Troybilt 21A-634A766 - Part 786-04275-0637

    Belt drive and cover diagram

    Forward Arm

    Part #1918744

    Replaced by #786-04275-0637

    Info Icon
    Manufacturer substitution
    This part replaces 1918744. Substitute parts can look different from the original.
    In Stock
    $45.63
    12% OFF Phone Price : $51.63Info Icon
    Minus Item
    Qty
    Plus Item
  • Bumper for Troybilt 21A-634A766 - Part 749-04193-0637

    Bumper assembly diagram

    Bumper

    Part #749-04193

    Replaced by #749-04193-0637

    Info Icon
    Manufacturer substitution
    This part replaces 749-04193. Substitute parts can look different from the original.
    In Stock
    $77.58
    Minus Item
    Qty
    Plus Item
  • Tiller Washer for Troybilt 21A-634A766 - Part 748-04087A

    Belt drive and cover diagram

    Shoulder Washer

    Part #1917746

    Replaced by #748-04087A

    Info Icon
    Manufacturer substitution
    This part replaces 1917746. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $11.86
    Minus Item
    Qty
    Plus Item

Most common symptoms to help you fix your tillers

Choose a symptom to see related tiller repairs.

Main causes: leaky engine head gasket, damaged sump gasket, damaged oil drain plug seal, loose or cracked fuel line, lea…

Main causes: dirty carburetor, engine needs tune up, stale gas…

Main causes: carburetor failure, bad gasoline, dirty spark plug, broken recoil starter…

Main causes: broken shaft clevis pins, transmission failure…

Main causes: damaged tines, broken clevis pins, worn drive belt, faulty transmission, clutch cable problems, improper de…

Main causes: clutch cable problems, faulty transmission…

Main causes: worn or broken drive belts, bad transmission, clutch cable problems…

Most common repair guides to help fix your tillers

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

How to replace a tiller recoil starter

How to replace a tiller recoil starter

The recoil starter spins the engine when you pull the starter rope, and the rope retracts when released. If the recoil s…

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your tillers

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

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.…

Find the right carburetor assembly for a Craftsman snowblower, tiller or log splitter

Find the right carburetor assembly for a Craftsman snowblower, tiller or log splitter

This chart will help you find the right carburetor for your Craftsman snowblower, tiller or log splitter.…

Tiller common questions

Tiller common questions

These frequently asked questions might help you figure out what's wrong with your garden tiller.…

Parts & More

Bottom-Mount Refrigerator
Canister Vacuum
Dryer
Electric Range
Electric Wall Oven
Parts
Side-By-Side Refrigerator