Toro
Gas Walk-Behind Mower

Model # 20028 (9900001 & UP) Official Toro lawn mower

Here are the diagrams and repair parts for Official Toro 20028-9900001-UP lawn mower, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 119 parts  |

Trailing-shi 92-8647
#21

Housing/handle brackets/wheel diagram

Trailing-shi

Part #92-8647

In Stock
Ring-klip 65-2720
#5

Gear case/wheel diagram

Ring-klip

Part #65-2720

This item is not returnable
In Stock
Lawn Mower Ground Drive Belt, 3/8 X 32-in 93-0232
#1

Gear case/wheel diagram

Lawn mower ground drive belt, 3/8 x 32-in

Part #93-0232

In Stock
Screw-handle 92-2260
#14

Handle & controls diagram

Screw-handle

Part #92-2260

This item is not returnable
In Stock
Cap Screw 322-3
#20

Housing/handle brackets/wheel diagram

Cap screw

Part #322-3

This item is not returnable
In Stock
Grass Shield 93-4196-03
#15

Engine & blade diagram

Grass shield

Part #93-4196-03

In Stock
Bushing 70-9760
#3:3

Gear case/wheel diagram

Bushing

Part #70-9760

In Stock
Anchor 93-7380
#18

Handle & controls diagram

Anchor

Part #93-7380

In Stock
Kicker Rear 93-0217
#12

Engine & blade diagram

Kicker rear

Part #93-0217

In Stock
Knob-lever, Height Adjustment 92-1008
#23

Housing/handle brackets/wheel diagram

Knob-lever, height adjustment

Part #92-1008

In Stock

Symptoms for gas walk-behind mowers

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

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

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

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

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

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

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

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.

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…

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. …

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…

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.

Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…