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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  |
Lawn Mower Screw 32144-85
#15

Engine & blade assembly diagram

Lawn mower screw

Part #32144-85

This item is not returnable
$3.31
In Stock
Pinion Gear 105-3040
Pinion gear

Part #105-3040

This item is not returnable
$7.71
In Stock
Lawn-boy Lawn Mower Screw 95-1726
#6

Engine & blade assembly diagram

Lawn-boy lawn mower screw

Part #95-1726

This item is not returnable
$3.74
In Stock
Spacer 92-5791
Spacer

Part #92-5791

This item is not returnable
$6.63
In Stock
Baffle 104-8694-03
#3

Deck/side chute/rear door diagram

Baffle

Part #104-8694-03

$107.51
In Stock
Door 106-8376
#13

Deck/side chute/rear door diagram

Door

Part #106-8376

$25.47
In Stock
Key 612066
Key

Part #612066

This item is not returnable
$3.51
In Stock
Lawn & Garden Equipment Washer 3256-1
#18

Handle assembly diagram

Lawn & garden equipment washer

Part #3256-1

This item is not returnable
$2.16
In Stock
Lawn & Garden Equipment Lock Washer 3254-5
#40

Deck/side chute/rear door diagram

Lawn & garden equipment lock washer

Part #3254-5

This item is not returnable
$2.16
In Stock
Decal 114-0321
#6

Deck/side chute/rear door diagram

Decal

Part #114-0321

$27.04
In Stock

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  • Key 612066
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Symptoms for gas walk-behind mowers

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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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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

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