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Troybilt 644A tiller Parts

Here are the diagrams and repair parts for Troybilt 644A tiller, as well as links to manuals and error code tables, if available.

Troybilt 644A tiller
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Browse Parts for 644A Tillers

  • Ace Idler Pulley for Troybilt 644A - Part 756-04169

    Belt cover/belts/engine bracket diagram

    Reverse Pulley

    Part #1916535

    Replaced by #756-04169

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    Manufacturer substitution
    This part replaces 1916535. Substitute parts can look different from the original.
    In Stock
    $36.24
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  • Wash:belvl for Troybilt 644A - Part 736-04193

    Belt cover/belts/engine bracket diagram

    Belleville Washer

    Part #GW-9944

    Replaced by #736-04193

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    Manufacturer substitution
    This part replaces GW-9944. Substitute parts can look different from the original.
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    $12.46
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  • Ace Belt Guide for Troybilt 644A - Part 732-04081

    Belt cover/belts/engine bracket diagram

    Belt Guide

    Part #1916725

    Replaced by #732-04081

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    Manufacturer substitution
    This part replaces 1916725. Substitute parts can look different from the original.
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    $19.06
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  • Ace Lawn & Garden Equipment Hex Bolt for Troybilt 644A - Part 710-0888

    Belt cover/belts/engine bracket diagram

    Hex Screw

    Part #710-0117

    Replaced by #710-0888

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    Manufacturer substitution
    This part replaces 710-0117. Substitute parts can look different from the original.
    This item is not returnable
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    $6.49
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  • Lawn & Garden Equipment Screw for Troybilt 644A - Part 710-0805A

    Cable assembly diagram

    Lawn Tractor Hex Bolt

    Part #710-0805

    Replaced by #710-0805A

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    Manufacturer substitution
    This part replaces 710-0805. Substitute parts can look different from the original.
    This item is not returnable
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    $7.86
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  • Ace Split Spacer for Troybilt 644A - Part 750-04556

    Tine hood/transmission diagram

    Spacer

    Part #GW-9534

    Replaced by #750-04556

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    Manufacturer substitution
    This part replaces GW-9534. Substitute parts can look different from the original.
    In Stock
    $34.32
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  • Lawn Tractor Cable Tie for Troybilt 644A - Part 726-0178

    Cable assembly diagram

    Lawn & Garden Equipment Cable Tie

    Part #725-0157

    Replaced by #726-0178

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    Manufacturer substitution
    This part replaces 725-0157. Substitute parts can look different from the original.
    This item is not returnable
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    $25.35
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  • Bumper for Troybilt 644A - Part 749-04193-0637

    Bumper diagram

    Bumper

    Part #749-04193

    Replaced by #749-04193-0637

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    Manufacturer substitution
    This part replaces 749-04193. Substitute parts can look different from the original.
    In Stock
    $77.58
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  • Holder Assembly for Troybilt 644A - Part 686-04066-0638

    Wheel/tire assembly diagram

    Tine Holder

    Part #1915075

    Replaced by #686-04066-0638

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    Manufacturer substitution
    This part replaces 1915075. Substitute parts can look different from the original.
    In Stock
    $107.47
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  • Lawn Mower Drive Control Cable for Troybilt 644A - Part 946-04208

    Cable assembly diagram

    Drive Cable

    Part #1918745

    Replaced by #946-04208

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    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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Most common symptoms to help you fix your tillers

Choose a symptom to see related tiller repairs.

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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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Fall garden care: to till or not to till? Here’s how to decide

Fall garden care: to till or not to till? Here’s how to decide

Thinking about tilling your garden this fall? Learn the pros and cons of fall tilling, when it makes sense, and how to p…

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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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