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Speed Queen
Washer

Model # SWTT20LM Official Speed Queen commercial washer

Here are the diagrams and repair parts for Official Speed Queen SWTT20LM 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 277 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

Washer Main Bearing 28944RP
#11

Brake assy diagram

Washer main bearing

Part #28944RP

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

Ring Assembly 39837
#1A

Agitator diagram

Ring assembly

Part #39837

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

Ring 37937
#14

Cabinet diagram

Ring

Part #37937

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

Washer 52549
#13

Motor assy diagram

Washer

Part #52549

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

Ring 23748
#14

Motor assy diagram

Ring

Part #23748

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

Oneway Vlv 34500
#13

Valve assy diagram

Oneway vlv

Part #34500

This item is not returnable
$6.83
In Stock
Motor Switch 35632P
#30

Motor assy diagram

Motor switch

Part #35632P

$54.89
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

Most common symptoms to help you fix your washers

Choose a symptom to see related washer repairs.

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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 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 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 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 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 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 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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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 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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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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