Gas Walk-Behind Mower

Model # 20-3RP-10 Official McClane front throw reel mower

Here are the diagrams and repair parts for Official McClane 20-3RP-10 front throw reel mower, as well as links to manuals and error code tables, if available.

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Browse Parts for
20-3RP-10 Walk-Behind Mowers
Bolt 1028
Bolt

Part #1028

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

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

Lawn Mower Grass Bin 1122
#122

Replacement parts diagram

Lawn mower grass bin

Part #1122

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

Bush Taper B 1106
#106

Replacement parts diagram

Bush taper b

Part #1106

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

Engine 1043
#43

Replacement parts diagram

Engine

Part #1043

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

Lawn Mower Bearing 1037A
#37

Replacement parts diagram

Lawn mower bearing

Part #1037A

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

Belt Idler Arm 1047D
#47

Replacement parts diagram

Belt idler arm

Part #1047D

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

Owner's Manual 3124

#NI

All parts diagram

Owner's manual

Part #3124

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

Hard Shield 1101A
#101A

Replacement parts diagram

Hard shield

Part #1101A

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

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

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

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

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 drive cable

How to replace a lawn mower drive cable

The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive…

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

How to replace a lawn mower starter rope

These step-by-step instructions show how to replace a broken starter pull rope on a walk-behind lawn mower.…

Repair difficulty
Time required
 30 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.…

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