Western Tool
Gas Walk-Behind Mower

Model #12850000 Western Tool 22" 4-hp top bagging rotary mower

Here are the diagrams and repair parts for Western Tool 12850000 22" 4-hp top bagging rotary mower, as well as links to manuals and error code tables, if available.


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Showing 10 of 92 parts

Screw

#62

Engine and mower deck assembly Diagram

Screw

Part #48148

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

Lock Nut

#7

Throttle control Diagram

Lock nut

Part #997316

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

Formd Washer

#3

Throttle control Diagram

Formd washer

Part #22025

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

Spacer

#49

Engine and mower deck assembly Diagram

Spacer

Part #45405

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

Hex Hd Screw

#15

Throttle control Diagram

Hex hd screw

Part #122027

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

Wing Nut

#8

Throttle control Diagram

Wing nut

Part #45576

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

Key

#61

Engine and mower deck assembly Diagram

Key

Part #2125

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

Lock Nut

#17

Throttle control Diagram

Lock nut

Part #9413447

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

Cap Screw

#18

Throttle control Diagram

Cap screw

Part #122052

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

Screw

#19

Throttle control Diagram

Screw

Part #121920

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: uneven wheel height settings, damaged wheel, dull or damaged cutting blade
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: engine needs tune up, dirty or clogged carburetor, damaged flywheel key
Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, bad ignition coil

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.

March 1, 2016
By Lyle Weischwill
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 cable if it's broken or frozen up inside the sheath.

Repair difficulty
Time required
 60 minutes or less
March 1, 2016
By Lyle Weischwill
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
April 1, 2013
By Lyle Weischwill
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.

Repair difficulty
Time required
 15 minutes or less

Articles and videos common to all walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

October 1, 2019

Types of walk-behind mower blades video

By Sears PartsDirect staff

Learn about the different kinds of mower blades and how to maintain them.