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LG 4.5 Cu Ft. Front Load Washer with AI Wash in White - WM3420CW
which ends 06/16/2026
- Height (in): 39
- Width (in): 27
- Depth (in): 30.25
- Capacity (cu. ft.): 4.5
- Depth With Door Open (in): 55
- Number of Leveling Legs: 4
- 4.5 Cu. Ft. Capacity
- 6Motion Technology
- ColdWash Technology
- AI DD Built-In Intelligence
- NeverRust Stainless Steel Tub
- TrueBalance Anti-Vibration System
- Free Shipping on 1000s of Items
- Guaranteed Satisfaction
- Life Long Customer Service
LG WM3420CW 4.5 Cu Ft. Ultra Large Capacity Front Load Washer with AI Wash, 6Motion and Coldwash Technology in White
Discover the LG 4.5 Cu Ft. Front Load Washer with 6Motion Technology (Model: WM3420CW), engineered to deliver a smarter, more efficient laundry experience. Designed for modern households seeking powerful cleaning capabilities without sacrificing fabric care or energy efficiency, this washer leverages innovative features like 6Motion™ Technology and ColdWash™ options to handle a variety of fabrics and soil levels. Its ultra-large 4.5 cu. ft. capacity means you can wash larger loads, cutting down on time spent on laundry day. With built-in intelligence to optimize wash cycles, seamless smartphone connectivity via the LG ThinQ® app, and ENERGY STAR® certification, this appliance stands out as an advanced, user-friendly solution for keeping clothes looking their best.
Features
- 6Motion™ Technology
Get A Custom Clean- Based on the cycle you select, LG 6Motion™ technology uses up to 6 different wash motions, each designed to get clothes cleaner and help them last longer
- Options range from a scrubbing PowerMotion that helps to dissolve stains to the gentle Swinging motion that’s ideal for delicates
- Mega & Ultra Large Capacity
Go Big To Save Time and Get More Done- Say never again to never-ending piles of laundry—these mega and ultra large capacity washers fit more clothes in every load and help you power through laundry day in less time
- With up to 5.0 cu. ft.* capacity, you can fit a king-size comforter and more in a single load, for big time savings every week
- * WM3470 is 5.0 cu. ft., WM3420 is 4.5 cu. ft.
- ColdWash™ Option
Cleans Like Warm, Saves Like Cold- Saving energy doesn’t have to mean compromising on cleaning with the ColdWash™ option
- Powered by the LG Direct Drive Motor and 6Motion™ technology, it’s ideal for cleaning all types of clothes - even those you normally wash in warm water
- Can be used with almost any wash cycle and virtually all fabric types
- Direct Drive Motor
Count On Quiet, Efficient Performance- Backed by a 10-year limited warranty, the LG Direct Drive Motor delivers peace of mind with every load
- Fewer moving parts means less noise and vibration, greater stability and durable performance you can depend on for years to come
- ENERGY STAR® Certified
Save Water, Save Energy, Save Money- High efficiency washers use far less water and energy than a conventional washer for savings that add up with each load
- Get additional savings with load-sensing technology that adjusts water levels and wash times or by adding the ColdWash™ option to almost any cycle
- LG SideKick® Compatible
Wash Two Loads At The Same Time- Add the one-of-a-kind LG SideKick® pedestal washer and wash small loads that just can’t wait in the compact washer below while you do a big load up top
- Warm and cold settings and 6 cycles let you care for all types of items, from a perfect finish with the touch of a button delicates and hand washables to workout wear and baby
- Elevates your washer for easier loading and unloading
- * LG SideKick® sold separately. Available for white finish only.
- Closet Depth**
Flexibility To Fit Almost Any Space- These washers are worth showing off, but when space dictates otherwise it’s good to know they will easily fit in a closet with plenty of room to close the closet door
- Install the pair side-by-side, or get a stacking kit and install the dryer over the washer to save even more space
- ** Closet depth is under 33.5” or 33 1/2” depth.
- NeveRust® Stainless Steel Tub
Smooth Surface Helps Prevents Snags- Unlike tubs made from porcelain or plastic, the full stainless steel tub avoids a perfect finish with the touch of a button the chips and nicks that can snag fabrics and ruin clothing
- Durable surface actually gets smoother over time and keeps your washer looking like new, even after years of use
General
Electrical Specifications
Wi-Fi
Approximate Dimensions
Warranty Information
Approximate Weight
Rebates
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LG ThinQ Care Extended Warranty PromoLG ThinQ Care Extended Warranty PromoLG - Purchase an eligible LG appliance and receive 1 Year extension added to Your Manufacturer's Limited Warranty.Expires 12-31-2026
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Frequently Asked Questions
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This washer is Wi-Fi enabled and compatible with the LG ThinQ app, allowing you to remotely start, monitor, and control wash cycles from your smartphone. You can download additional wash cycles through the app and receive notifications when a cycle finishes, providing convenience and smart home integration.
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ColdWash utilizes advanced technology to clean clothes as effectively as warm water while saving energy. It can be used with almost any cycle and fabric type, reducing energy consumption without compromising wash quality, making it an eco-friendly and efficient choice.
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The washer employs 6Motion technology that offers up to six different wash motions tailored to fabric types and soil levels. These motions include scrubbing and gentle swinging, ensuring optimal cleaning while extending the lifespan of your clothes.
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With an ultra-large 4.5 cubic feet capacity, this front load washer can accommodate bulky items like king-size comforters and more in a single wash cycle, helping you reduce the number of loads and save time on laundry day.
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Yes, it is ENERGY STAR certified, meaning it meets strict energy and water efficiency guidelines. Features like load-sensing technology and the ColdWash option help optimize water usage and energy consumption for cost-effective and environmentally friendly operation.