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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
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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

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
Bearing 104-8698
#12

Rear axle/transmission diagram

Bearing

Part #104-8698

$14.69
In Stock
Lawn Mower Grass Bag 108-9792
#1

Rear bag assembly diagram

Lawn mower grass bag

Part #108-9792

$106.98 | 
10% OFF Phone Price : $118.98
In Stock
Lawn Mower Handle 104-8680-05
#8

Handle assembly diagram

Lawn mower handle

Part #104-8680-05

$97.62
In Stock
Decal 114-0321
#6

Deck/side chute/rear door diagram

Decal

Part #114-0321

$27.04
In Stock
Lawn Mower Brake Cable 104-8676
#1

Handle assembly diagram

Lawn mower brake cable

Part #104-8676

$39.11
In Stock
Washer 110-7466
#4

Front axle assembly diagram

Washer

Part #110-7466

$7.98 | 
11% OFF Phone Price : $8.98
In Stock
Lawn Mower Ground Drive Belt 91-2258
Lawn mower ground drive belt

Part #91-2258

This item is not returnable

Get free shipping with Automatic Reorder

$24.07 | 
20% OFF Phone Price : $30.07
In Stock

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Symptoms for gas walk-behind mowers

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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 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 cut unevenly?

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

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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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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 vibrate a lot?

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

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Repair guides for gas walk-behind mowers

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How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

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

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

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Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower carburetor

How to replace a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Replace the carburetor if it's clogged or damaged.…

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Repair difficulty
Time required
 15 minutes or less

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Types of walk-behind mower blades video

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