Black Steel
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KEY FEATURES

  • 4.5 cu. ft. Ultra Large Capacity
  • TurboWash™ 360 Technology
  • 6Motion™ Technology
  • Allergiene™ Cycle / AAFA Certified
  • ThinQ® Technology
  • ColdWash™ Technology

*LG Sidekick Pedestal Washer sold separately.

4.5 cu.ft. Smart wi-fi Enabled Front Load Washer with TurboWash™ 360 Technology
$ 1,249.00

Power Clean Big Loads in Under 30 Minutes*

Five powerful jets with variable sprays surround clothes from multiple angles, so detergent can penetrate deep into fabrics for a complete clean—even for big loads—in under 30 minutes*.
*Based on independent testing comparing models WM3900HBA and WM4370HWA in normal cycle with TurboWash™360° option, 10 lb. load vs. TurboWash® 2.0 option, 8 lb. load (Feb. 2019).
Life's better when your home runs smart1
Assesses smart appliances in real-time.
Life's better when your home runs smart3
*Available on select LG smart appliances

Life's better when your home runs smart

Discover ThinQ Care within the ThinQ app -- proactive smart alerts to keep your appliances running smoothly. Get notifications about usage, maintenance, plus early diagnosis right on your smartphone.
*LG SideKick™ Sold Separately.

Warranty / Certifications

SUMMARY

    • Type
    • Front Load Washer
    • Capacity (cu.ft.)
    • 4.5 cu. ft.
    • Matching Electric Dryer
    • DLEX3900B
    • Matching Gas Dryer
    • DLGX3901B
    • Matching Heat Pump Dryer
    • DLHC3900B
    • Color
    • Black Steel (B)

APPEARANCE

    • Hard Buttons
    • Yes
    • Touch Buttons
    • Yes
    • Dial-A-Cycle™
    • Yes

ENERGY

    • ENERGY STAR® Most Efficient 2019
    • Yes
    • ENERGY STAR® Most Efficient 2018
    • Yes
    • ENERGY STAR® Qualified
    • Yes
    • CEE Tier
    • 2
    • IMEF
    • 2.92
    • IWF
    • 2.9

WASH PROGRAMS

    • No. of Programs
    • 14
    • Wash Programs
    • Normal, Heavy Duty, Bedding, Sanitary, Allergiene™, Bright White, Tub Clean, Sportswear, Perm. Press, Delicates, Towels, Speed Wash, Drain+Spin, Downloaded

WASH OPTIONS

    • No. of Options
    • 12
    • Options
    • Steam, Fresh Care, Prewash, Remote Start, Delay Wash, Wi-Fi, Add Garments, TurboWash, ColdWash, Extra Rinse, Rinse+Spin, Control Lock

WASH DETAILS

    • No. of Wash/Rinse Temps
    • 5
    • Wash/Rinse Temps
    • Extra Hot, Hot, Warm, Cold, Tap Cold
    • No. of Spin Speeds
    • 5
    • Spin Speeds
    • Extra High, High, Medium, Low, No Spin
    • Max RPM
    • 1300
    • Water Levels
    • Load Sensing
    • No. of Soil Levels
    • 5

FABRIC CARE FEATURES

    • TurboWash™ 360 Technology
    • Yes
    • Steam Technology
    • Yes
    • Allergiene™ Cycle
    • Yes
    • Sanitary Cycle
    • Yes
    • ColdWash™ Option
    • Yes
    • SenseClean™ System
    • Yes

CONVENIENCE FEATURES

    • TrueBalance™ Anti-Vibration System
    • Yes
    • 4 Tray Dispenser
    • Prewash, Main Wash (with liquid detergent cup), Bleach, Fabric Softener
    • LoDecibel™ Quiet Operation
    • Yes
    • End of Cycle Signal
    • Yes
    • LoadSense
    • Yes
    • Child Lock*
    • Yes
    • Auto Suds Removal
    • Yes
    • Leveling Legs
    • 4 Adjustable Legs
    • Easy Loading TilTub™
    • Yes

SMARTTHINQ® TECHNOLOGY

    • SmartDiagnosis™ (v3.0)
    • Yes
    • Wi-Fi
    • Yes
    • Cycle Monitoring and Notification
    • Yes
    • Energy Monitoring
    • Yes

MOTOR

    • Motor Type
    • Inverter Direct Drive Motor
    • Axis
    • Horizontal

MATERIALS AND FINISHES

    • NeveRust™ Stainless Steel Drum
    • Yes
    • Cabinet
    • PCM
    • Control Panel
    • Plastic
    • Top Plate
    • Painted
    • Door / Rim
    • Glass/Chrome
    • Door Cover
    • Dark Blue Tinted Round Cover
    • All Available Colors
    • White (W), Black Stainless (K)

CERTIFICATION

    • AAFA
    • Yes

POWER SOURCE

    • Ratings
    • UL Listed
    • Electrical Requirements
    • 120V, 10 Amps
    • Type
    • Electric

OPTIONS/ACCESSORIES

    • Pedestal
    • WDP4B
    • Pedestal (WxHxD)
    • 27" x 13 5/8" x 28" (43 7/8" D with door open)
    • LG Sidekick™ Pedestal Washer
    • WD100CB
    • LG Sidekick™ Pedestal Washer (WxHxD)
    • 27 x 14 1/8 x 30 3/4 (50 1/2 D with door open)
    • Stacking Kit
    • KSTK1
    • Hose Included
    • No

DIMENSIONS

    • Product (WxHxD)
    • 27" x 39" x 30 1/4"
    • Depth with Door Open
    • (55" D with door open)
    • Carton (WxHxD)
    • 29 23/32" x 41 27/32" x 31 17/32"
    • Weight (Product/Carton)
    • 202.8 / 224.8 lbs.

LIMITED WARRANTY

    • Parts and Labor
    • 1 Year
    • Direct Drive Motor
    • 10 Years
    • Drum
    • 3 Years

UPC CODES

    • UPC
    • 048231026420

What people are saying

Rated 4 out of 5 by from Great features I love how easy to use the washer is. The regular cycle is 15 minutes shorter than my previous machine. My only complaint is how noisy it is when the water shoots in.
Date published: 2022-07-02
Rated 5 out of 5 by from It's Got It All This is my first LG appliance and I'm so happy I bought it. I had to replace an older front load washer with pedestal and did a lot of online research before deciding on LG. If I had to pick my favorite option, it is Turbo Wash. Not only do clothes come out clean but it saves time, water, and energy. The controls are easy to use, the machine is quiet, the filter cleaner is a big bonus and the design is beautiful. You covered everything one could want in a front load washer, even the little tune it plays when finished--much better than the standard beep. Thanks, LG!
Date published: 2022-07-01
Rated 2 out of 5 by from Great machine but sometimes leaks and very loud Bought less than 3 years ago. Mine runs great but very loud and sometimes leaked. Anyone else have this issue? I have videos for sound
Date published: 2022-06-28
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ASK & ANSWER

Ask your questions. Share your answers.
Please review the detailed product information and help guides in the
Product Support section for this product prior to posting a question.

What is the difference between WM3900HBA vs WM3900HWA?

Asked by: dmdallas24
The difference between the ENERGY STAR® Qualified LG 4.5 cu.ft. Smart Wi-Fi Enabled Front Load Washer with TurboWash™ 360 Technology, Model # WM3900HBA and model # WM3900HWA is the color. The "B" in the Model # WM3900HBA indicates a Black Steel finish and the "W" in the Model # WM3900HWA indicates a White finish...^Ivan
Answered by: Ivanf
Date published: 2022-06-23

Hi, does this washer have the ability to be filled with detergent - load and go/ezdispense?

Asked by: Sam Reddy
The Load & Go™ Dispenser is not an LG feature. That is a feature used by another manufacturer. That feature is called ezDispense™ on LG washers that support the feature. Regrettably, the ENERGY STAR® Qualified LG 4.5 cu.ft. Smart Wi-Fi Enabled Front Load Washer with TurboWash™ 360 Technology, Model # WM3900HBA does not feature the ezDispense™. The ezDispense™ is featured on the ENERGY STAR® Qualified LG 5.0 cu. ft. Mega Capacity Smart Wi-Fi Enabled Front Load Washer with TurboWash™ 360° and Built-In Intelligence, Model # WM4500HBA...^Ivan
Answered by: Ivanf
Date published: 2022-05-19

I am looking at buying a LG Thin Q washer with matching dryer. Is it neccessary to use WI FI to use the machines.

Asked by: DEE 69
Wi-Fi is optional on our washers and dryers that have Wi-Fi functionality. They all can be operated normally without having to use Wi-Fi...^Ivan
Answered by: Ivanf
Date published: 2022-04-22

Does WM3900HW $.5 CU FT FRONT LOADER have low enough vibration to be suitable for a manufactured home....assuming no pedestals?

Asked by: KimoC
The ENERGY STAR® Qualified LG 4.5 cu.ft. Smart Wi-Fi Enabled Front Load Washer with TurboWash™ 360 Technology, Model # WM3900HWA must be installed on a solid floor that t is strong and rigid enough to support the weight of the washer, even when fully loaded, without flexing or bouncing. If the floor has too much flex, you may need to reinforce it to make it more rigid. If the floor is not solid, it may cause severe vibration and noise. Concrete flooring is best, but a wood floor is sufficient, provided it is built to FHA standards. Before installing the washer, make sure the floor is clean, dry, and free of dust, dirt, water, and oil so the washer feet cannot slide easily. Leveling feet that can move or slide on the floor can contribute to excess vibration and noise due to poor contact with the floor...^Ivan
Answered by: Ivanf
Date published: 2022-03-21

Are the doors on the WM3900HBA and the DLG3601V both reversible?

Asked by: Neang
The doors for our LG Front Load Washers are not reversible but the doors for their matching dryers are, so the door for the ENERGY STAR® Qualified LG 4.5 cu.ft. Smart Wi-Fi Enabled Front Load Washer with TurboWash™ 360 Technology, Model # WM3900HBA is not reversible but that for the ENERGY STAR® Qualified LG 7.4 cu. ft. Ultra Large Capacity Smart wi-fi Enabled Front Load Gas Dryer with Built-In Intelligence, Model # DLG3601V is reversible...^Ivan
Answered by: Ivanf
Date published: 2022-03-15

The glass inside of the door shattered during a cycle. I was washing bedding, nothing hard was inside, not even a button, so how did this happen? I am at risk of this happening again if replaced? The washer is 1 year and 5 months old, no warranty coverage

Asked by: Lobarnes
We regret to read that the inner glass for the door on your ENERGY STAR® Qualified LG 4.5 cu.ft. Smart wi-fi Enabled Front Load Washer with TurboWash™ 360 Technology, Model # WM3900HWA shattered during a cycle and we sincerely apologize for any inconvenience. Unfortunately, there is no way to determine why the glass shattered, and although there is no way to predict if that will happen, it is highly unlikely that it will happen again...^Ivan
Answered by: Ivanf
Date published: 2022-03-10

Can the door on this washing machine be reversed to open from left to right?

Asked by: canbysailor
The doors for our Front Load Washers, including the ENERGY STAR® Qualified LG 4.5 cu.ft. Smart wi-fi Enabled Front Load Washer with TurboWash™ 360 Technology, Model # WM3900HBA are not reversible...^Ivan
Answered by: Ivanf
Date published: 2021-09-21

The paddles/files keep falling off. How do I prevent this from happening?

Asked by: BonnieCon
Please pardon us, but we are not clear on what you are referring to as "paddles/files" that keep falling off the LG 4.5 cu.ft. Smart wi-fi Enabled Front Load Washer with TurboWash™ 360 Technology, Model # WM3900HWA and will need some clarification...^Ivan
Answered by: Ivanf
Date published: 2021-08-02
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