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Toro
Gas Walk-Behind Mower

Model # 20073A Official Toro lawn mower

Here are the diagrams and repair parts for Official Toro 20073A lawn mower, as well as links to manuals and error code tables, if available.

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Owner’s manual
  View engine

Model diagram and schematic

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ALL PARTS
Showing 10 of 229 parts  |
Stop Nut 3296-29
Stop nut

Part #3296-29

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

Washer 36-4780
Washer

Part #36-4780

$13.03
In Stock
Lawn Mower Shoulder Bolt 614650
Lawn mower shoulder bolt

Part #614650

This item is not returnable
$5.97
In Stock
Screw 46-8091
Screw

Part #46-8091

This item is not returnable
$7.06
In Stock
Thrust Washer 105-6840
Thrust washer

Part #105-6840

This item is not returnable
$3.60
In Stock
Lawn Mower Screw 95-4453
#16

Handle assembly diagram

Lawn mower screw

Part #95-4453

This item is not returnable
$5.94
In Stock
Baffle 105-1834
#30

Deck/side chute/rear door diagram

Baffle

Part #105-1834

$65.18
In Stock
Lawn Mower Control Handle 104-8678
#10

Handle assembly diagram

Lawn mower control handle

Part #104-8678

$103.72
In Stock
Rod 105-1827
#25

Deck/side chute/rear door diagram

Rod

Part #105-1827

This item is not returnable
$20.23
In Stock
Bushing-sl 108-9782
#32

Rear axle/wheel/transmission diagram

Bushing-sl

Part #108-9782

This item is not returnable
$6.40
In Stock

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Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

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Why does my lawn mower run rough?

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

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Why does my lawn mower cut unevenly?

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

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Why does my lawn mower vibrate a lot?

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

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Why won't my lawn mower start?

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

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Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

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Why won't my lawn mower move?

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

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Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

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How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

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Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

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Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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