McClane
Gas Walk-Behind Mower

Model # 20-3RP-7 Official McClane 20" front throw reel mower

Here are the diagrams and repair parts for Official McClane 20-3RP-7 20" front throw reel mower, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 162 parts  |

Bolt 1044
#44

Replacement parts diagram

Bolt

Part #1044

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

Bolt 1033
Bolt

Part #1033

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

Bolt 1095
Bolt

Part #1095

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

Bolt 1028
Bolt

Part #1028

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

Retainer 1109
#109

Replacement parts diagram

Retainer

Part #1109

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

Lawn Mower Screw 1070
Lawn mower screw

Part #1070

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

Roller End Cap 1036
#36

Replacement parts diagram

Roller end cap

Part #1036

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

Plate 5001
#1

Heavy duty drop-out rear axle diagram

Plate

Part #5001

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

Plate 1014
#14

Replacement parts diagram

Plate

Part #1014

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

Handle Bearing 1001
#1

Replacement parts diagram

Handle bearing

Part #1001

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

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.

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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.…