Speed Queen
Washer

Model #SWTT20LM Official Speed Queen commercial washer

Here are the diagrams and repair parts for Speed Queen SWTT20LM commercial washer, as well as links to manuals and error code tables, if available.

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

Showing 10 of 277 parts

Ring#14

Motor assy Diagram

Ring

Part #23748

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

Washer#7

Valve assy Diagram

Washer

Part #20290

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

Ring#14

Cabinet Diagram

Ring

Part #37937

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

Control Panel#19

Control panel Diagram

Control panel

Part #210042L

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

Tub Cover#1

Tub assy Diagram

Tub cover

Part #38573

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

Carton Lid#1

Lid assy Diagram

Carton lid

Part #201460LP

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

Terminal#18

Terminals Diagram

Terminal

Part #00112

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

Wire Clip#12

Terminals Diagram

Wire clip

Part #51291

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

Grease#5A

Agitator Diagram

Grease

Part #36765P

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

Cable Clip#19

Tub assy Diagram

Cable clip

Part #21036

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

Symptoms common to all washers

Choose a symptom to see related washer repairs.

Main causes: leaky water inlet valve, faulty water-level pressure switch, bad electronic control board
Main causes: lack of electrical power, wiring failure, bad power cord, electronic control board failure, bad user interface board
Main causes: water heater failure, bad water temperature switch, faulty control board, bad water valve, faulty water temperature sensor
Main causes: unbalanced load, loose spanner nut, worn drive block, broken shock absorber or suspension spring, debris in drain pump
Main causes: broken lid switch or lid lock, bad pressure switch, broken shifter assembly, faulty control system
Main causes: clogged drain hose, house drain clogged, bad drain pump, water-level pressure switch failure, bad control board or timer
Main causes: worn agitator dogs, bad clutch, broken motor coupler, shifter assembly failure, broken door lock, suspension component failure
Main causes: no water supply, bad water valves, water-level pressure switch failure, control system failure, bad door lock or lid switch
Main causes: bad lid switch or door lock, bad timer or electronic control board, wiring failure, bad water inlet valve assembly

Articles and videos common to all washers

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

January 3, 2022

Why is my washing machine leaking when not in use?

Lyle Weischwill

Learn how to fix a washing machine leak

December 30, 2021

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Learn how to fix your broken washing machine

April 10, 2020

Cleaning your appliances after a drinking water advisory

Wayne Archer

Find out how to clean and flush household appliances once a boil water advisory is lifted.