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Troybilt 21A-643B711 rear-tine tiller Parts

Here are the diagrams and repair parts for Troybilt 21A-643B711 rear-tine tiller, as well as links to manuals and error code tables, if available.

Troybilt 21A-643B711 rear-tine tiller
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Browse Parts for 21A-643B711 Tillers

  • Wash:belvl for Troybilt 21A-643B711 - Part 736-04193

    Bumper/wheel assembly diagram

    Wash:belvl

    Part #736-04193
    In Stock
    $12.46
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  • Troybilt Tiller Washer for Troybilt 21A-643B711 - Part 736-04258

    Wheel shaft diagram

    Shim

    Part #GW-1166-4

    Replaced by #736-04258

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    Manufacturer substitution
    This part replaces GW-1166-4. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $7.29
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  • Shim - Front Bearing Cap, .010" Thick for Troybilt 21A-643B711 - Part 736-04308

    Driveshaft 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
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    Qty
    Plus Item
  • Tiller Tine Input Sprocket Assembly for Troybilt 21A-643B711 - Part 917-04380

    Wheel shaft diagram

    Worm Gear

    Part #1904278

    Replaced by #917-04380

    Info Icon
    Manufacturer substitution
    This part replaces 1904278. Substitute parts can look different from the original.
    In Stock
    $139.25
    8% OFF Phone Price : $151.25Info Icon
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  • Tiller Washer for Troybilt 21A-643B711 - Part 748-04087A

    Bumper/wheel assembly diagram

    Shoulder Washer

    Part #748-04087

    Replaced by #748-04087A

    Info Icon
    Manufacturer substitution
    This part replaces 748-04087. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $11.86
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  • Ace Tiller Retainer Ring for Troybilt 21A-643B711 - Part 716-04104

    Wheel shaft diagram

    Retainer, Snap Ring

    Part #1909950

    Replaced by #716-04104

    Info Icon
    Manufacturer substitution
    This part replaces 1909950. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $29.53
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  • Tiller Bolo Tine, Left for Troybilt 21A-643B711 - Part 742-04227-0637

    Tine hood/handlebar diagram

    Bolo Tine

    Part #742-04117

    Replaced by #742-04227-0637

    Info Icon
    Manufacturer substitution
    This part replaces 742-04117. Substitute parts can look different from the original.
    In Stock
    $27.45
    18% OFF Phone Price : $33.45Info Icon
    Minus Item
    Qty
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  • Drive Shaft for Troybilt 21A-643B711 - Part 911-04110

    Driveshaft diagram

    Drive Shaft

    Part #711-04110

    Replaced by #911-04110

    Info Icon
    Manufacturer substitution
    This part replaces 711-04110. Substitute parts can look different from the original.
    In Stock
    $269.98
    Minus Item
    Qty
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  • Tiller Bolo Tine, Right for Troybilt 21A-643B711 - Part 742-04226-0637

    Tine hood/handlebar diagram

    Bolo Tine

    Part #742-04116

    Replaced by #742-04226-0637

    Info Icon
    Manufacturer substitution
    This part replaces 742-04116. Substitute parts can look different from the original.
    In Stock
    $27.45
    18% OFF Phone Price : $33.45Info Icon
    Minus Item
    Qty
    Plus Item
  • Tiller Gear Case Cover Gasket for Troybilt 21A-643B711 - Part 921-04229

    Transmission housing diagram

    Housing Cover Gasket

    Part #GW-50032

    Replaced by #921-04229

    Info Icon
    Manufacturer substitution
    This part replaces GW-50032. Substitute parts can look different from the original.
    In Stock
    $12.49
    14% OFF Phone Price : $14.49Info Icon
    Minus Item
    Qty
    Plus Item

Most common symptoms to help you fix your tillers

Choose a symptom to see related tiller repairs.

View all

Why does my tiller's engine leak oil or gas?

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

Read more

Why does my tiller's engine run roughly or misfire?

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

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Why won't my tiller's engine start?

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

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Why do my tiller's wheels turn but the tines don't?

Main causes: broken shaft clevis pins, transmission failure…

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Why does my tiller turn the soil poorly?

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

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Why do my tiller's tines turn but the wheels don't?

Main causes: clutch cable problems, faulty transmission…

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Why won't my tillers wheels or tines turn?

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

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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.

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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…

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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.

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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.…

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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.…

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Tiller common questions

Tiller common questions

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

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