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Troybilt 21A-645A063 rear-tine tiller Parts

Here are the diagrams and repair parts for Troybilt 21A-645A063 rear-tine tiller, as well as links to manuals and error code tables, if available.

Troybilt 21A-645A063 rear-tine tiller
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Browse Parts for 21A-645A063 Tillers

  • Ace Tiller Flat Washer for Troybilt 21A-645A063 - Part 736-04259

    Shim/tiller shaft diagram

    Shim

    Part #GW-1166-3

    Replaced by #736-04259

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    Manufacturer substitution
    This part replaces GW-1166-3. Substitute parts can look different from the original.
    In Stock
    $12.46
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  • Tiller Ring Retainer for Troybilt 21A-645A063 - Part 716-04102

    Driveshaft/shim diagram

    Retaining Ring

    Part #GW-9517

    Replaced by #716-04102

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    Manufacturer substitution
    This part replaces GW-9517. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $8.09
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  • Tiller Tine, Left for Troybilt 21A-645A063 - Part 742-04033-0637

    Single tines/wheels/tires diagram

    Troy-bilt Tine

    Part #1817059

    Replaced by #742-04033-0637

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    Manufacturer substitution
    This part replaces 1817059. Substitute parts can look different from the original.
    In Stock
    $37.02
    14% OFF Phone Price : $43.02Info Icon
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  • Troybilt Flat Washer for Troybilt 21A-645A063 - Part 736-04260

    Shim/tiller shaft diagram

    Shim

    Part #GW-1166-2

    Replaced by #736-04260

    Info Icon
    Manufacturer substitution
    This part replaces GW-1166-2. Substitute parts can look different from the original.
    In Stock
    $12.46
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    Qty
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  • Agri-fab Lawn & Garden Equipment Hex Bolt for Troybilt 21A-645A063 - Part 47600

    Belt cover/guard/engine bracket diagram

    Lawn & Garden Equipment Hex Bolt

    Part #710-0117

    Replaced by #47600

    Info Icon
    Manufacturer substitution
    This part replaces 710-0117. Substitute parts can look different from the original.
    In Stock
    $25.44
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  • Mtd Lawn & Garden Equipment Lock Washer for Troybilt 21A-645A063 - Part 936-0119

    Lock Washer

    Part #736-0119

    Replaced by #936-0119

    Info Icon
    Manufacturer substitution
    This part replaces 736-0119. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $7.16
    12% OFF Phone Price : $8.16Info Icon
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  • Lawn Mower Drive Control Cable for Troybilt 21A-645A063 - Part 946-04208

    Handle/cable assembly diagram

    Troy-bilt Drive Cable

    Part #1918745

    Replaced by #946-04208

    Info Icon
    Manufacturer substitution
    This part replaces 1918745. Substitute parts can look different from the original.
    In Stock
    $46.28
    11% OFF Phone Price : $52.28Info Icon
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  • High Pro Key for Troybilt 21A-645A063 - Part 714-04059

    Shim/tiller shaft diagram

    High Pro Key

    Part #GW-9305

    Replaced by #714-04059

    Info Icon
    Manufacturer substitution
    This part replaces GW-9305. Substitute parts can look different from the original.
    In Stock
    $12.46
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    Qty
    Plus Item
  • Lawn & Garden Equipment Hex Flange Screw for Troybilt 21A-645A063 - Part 710-04048

    Transmission assembly diagram

    Troy-bilt Screw

    Part #1186331

    Replaced by #710-04048

    Info Icon
    Manufacturer substitution
    This part replaces 1186331. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $8.77
    Minus Item
    Qty
    Plus Item
  • Tiller Forward Clutch Spring for Troybilt 21A-645A063 - Part 732-04185

    Handle/cable assembly diagram

    Troy-bilt Clutch

    Part #1916712

    Replaced by #732-04185

    Info Icon
    Manufacturer substitution
    This part replaces 1916712. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $12.87
    13% OFF Phone Price : $14.87Info Icon
    Minus Item
    Qty
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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…

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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.…

Read more
Tiller common questions

Tiller common questions

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

Read more

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