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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

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
Bushing 105-1818
#9

Front axle assembly diagram

Bushing

Part #105-1818

$9.60
In Stock
Screw 105-6849
#15

Front axle assembly diagram

Screw

Part #105-6849

This item is not returnable
$2.16
In Stock
Lawn Mower Cable Bracket 106-8331
#5

Handle assembly diagram

Lawn mower cable bracket

Part #106-8331

$10.03
In Stock
Rope Guide 106-8330
#6

Handle assembly diagram

Rope guide

Part #106-8330

$10.03
In Stock
Cap Screw 322-6
Cap screw

Part #322-6

This item is not returnable
$2.16
In Stock
Spring 39-9650
Spring

Part #39-9650

This item is not returnable
$5.74
In Stock
Nut 3218-6
#39

Deck/side chute/rear door diagram

Nut

Part #3218-6

This item is not returnable
$2.16
In Stock

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Symptoms for gas walk-behind mowers

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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 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 run rough?

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

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

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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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How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

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 15 minutes or less

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