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Speed Queen
Washer

Model # SWTH20LM Official Speed Queen commercial washer

Here are the diagrams and repair parts for Official Speed Queen SWTH20LM commercial washer, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

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

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 167 parts  |
Washer Drive Belt 38174
#19

Motor assy diagram

Washer drive belt

Part #38174

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

Pullet 38225P
#15

Motor assy diagram

Pullet

Part #38225P

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

Screw 39566
#7

Tub assy diagram

Screw

Part #39566

This item is not returnable
$2.16
In Stock
Motor Switch 35632P
#30

Motor assy diagram

Motor switch

Part #35632P

$54.89
In Stock
Oneway Vlv 34500
#13

Valve assy diagram

Oneway vlv

Part #34500

This item is not returnable
$6.83
In Stock
Hose Clamp 39282
#17

Tub assy diagram

Hose clamp

Part #39282

This item is not returnable
$3.86
In Stock
Amana Washer Tub Spring Removal Tool 321P4
#3

Tools 1 diagram

Amana washer tub spring removal tool

Part #321P4

$23.40
In Stock
Washer Lid Switch Assembly 37631
#1

Lid switch diagram

Washer lid switch assembly

Part #37631

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

Bracket 200941
#24

Motor assy diagram

Bracket

Part #200941

$53.09
In Stock
Idler Shaft 210186
#11A

Motor assy diagram

Idler shaft

Part #210186

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

Most common symptoms to help you fix your washers

Choose a symptom to see related washer repairs.

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Why your washing machine won't finish its cycle

Main causes: broken lid switch or lid lock, bad pressure switch, broken shifter assembly, faulty control system...

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Why doesn't my washing machine work at all?

Main causes: lack of electrical power, wiring failure, bad power cord, electronic control board failure, bad user interf...

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Why does my washing machine overfill?

Main causes: leaky water inlet valve, faulty water-level pressure switch, bad electronic control board...

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Why is the water in my washing machine the wrong temperature?

Main causes: water heater failure, bad water temperature switch, faulty control board, bad water valve, faulty water tem...

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Why won't my washing machine fill?

Main causes: no water supply, bad water valves, water-level pressure switch failure, control system failure, bad door lo...

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Why won't my washing machine agitate or spin?

Main causes: worn agitator dogs, bad clutch, broken motor coupler, shifter assembly failure, broken door lock, suspensio...

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Why is my washing machine noisy or shaking?

Main causes: unbalanced load, loose spanner nut, worn drive block, broken shock absorber or suspension spring, debris in...

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Why won't my washing machine drain?

Main causes: clogged drain hose, house drain clogged, bad drain pump, water-level pressure switch failure, bad control b...

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Why won't my washing machine start?

Main causes: bad lid switch or door lock, bad timer or electronic control board, wiring failure, bad water inlet valve a...

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How to replace oven door hinges on a gas range

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Learn how to replace the spark igniter electrode for the surface burners on a gas range or dual-fuel range....

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Effective articles & videos to help repair your washers

Use the advice and tips in these articles and videos to get the most out of your washer.

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How to use your washing machine efficiently

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