LG

LG WM3470CM 5.0 Cu. Ft. Front Load Washer

A 5.0 cu. ft. front loader with a 15-minute SpeedWash and whisper-quiet TrueBalance system cuts laundry day down to size for families who need more capacity without the noise.

$899.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The LG WM3470CM is a high-capacity front-load washer built to reduce the weekly laundry burden for medium-to-large households. The 5.0 cu. ft. drum means a family of four can consolidate loads that would require two separate runs on a standard 4.5 cu. ft. machine — over a week of laundry, that adds up to fewer cycles, less water, and less time monitoring the machine. The 6 Motion technology varies the drum's movement pattern across six distinct motions (tumbling, stepping, swinging, rolling, scrubbing, and filtration), adapting the wash action to the fabric type rather than applying a one-size-fits-all tumble to every load. The SpeedWash cycle handles the refresh-not-clean scenario in 15 minutes, which covers the common use case of gym clothes or work shirts that don't need a full cycle.

Installation requirements are worth understanding before purchase: at 207.5 lbs, this is a permanent appliance that needs a stable, level floor, a 120V dedicated outlet, and proper ventilation. The 33-inch depth is a standard front-loader footprint but should be measured against laundry closet or alcove dimensions before ordering. The TrueBalance Anti-Vibration System uses dynamic counterweights and suspension to absorb drum movement at 1300 RPM spin — LG's positioning of this as a second-floor-capable washer is consistent with real-world owner reports. The Direct Drive Motor — which eliminates the belt and pulley system used in conventional washers — is the engineering foundation of the 10-year warranty: fewer mechanical failure points means LG is confident enough in the motor's longevity to back it for a full decade. Monthly TubClean maintenance cycles are non-negotiable for long-term odor-free performance on any front-loader, and the LG's integrated door/gasket drying step in TubClean is a practical implementation of this requirement.

Key Features

6Motion Technology

ColdWash Technology

Matching Dryer Model DLE3470M

Specifications

Brand
LG
Model
WM3470CM
Type
Front Load Washer
Capacity
5.0 Cu. Ft.
Max Spin Speed
1300 RPM
Voltage
120V
Dimensions (D x W x H)
33" x 27" x 39"
Weight
207.5 lbs
Drum Material
NeveRust Stainless Steel
Wash Programs
Normal, Perm. Press, Heavy Duty, Delicates, Towels, Speed Wash, Bedding, Tub Clean
SpeedWash Cycle Time
15 minutes
Drive System
Direct Drive Motor
Motor Warranty
10-Year Limited
Anti-Vibration
TrueBalance System
Controls
Dial-A-Cycle Knob
Smart Features
SmartDiagnosis, LoadSense, ColdWash
Color
Black
Access
Front Load

Pros & Cons

👍 Pros

  • The 5.0 cu. ft. drum handles large family laundry loads — comforters, oversized towels, and high-volume loads — in fewer total cycles per week.
  • The TrueBalance Anti-Vibration System delivers genuinely quieter operation at 1300 RPM spin, making second-floor installation a realistic option.
  • LoadSense automatic water-level adjustment reduces per-load water consumption on partial loads compared to fixed-fill machines.
  • The Direct Drive Motor carries a 10-year limited warranty, which is one of the strongest motor warranties available at this price tier and reduces long-term ownership risk.
  • SmartDiagnosis enables remote troubleshooting via app or phone call, which can eliminate unnecessary service call fees for software-resolvable issues.

👎 Cons

  • Front-load design requires consistent door gasket maintenance — neglecting it leads to mold and mildew buildup that produces odors and requires aggressive cleaning to resolve.
  • At 207.5 lbs and 33"D x 27"W x 39"H, this washer requires a dedicated laundry space with proper floor reinforcement and ventilation — it cannot be treated as a portable or flexible-placement appliance.
  • The 8 wash programs cover common scenarios but lack the granular cycle customization found on higher-end units — specialty fabric needs may not be fully addressed.
  • The knob-based Dial-A-Cycle interface is straightforward but less intuitive for users accustomed to digital touchscreen controls when navigating between program options.
  • Cold-fill-only operation (120V) means heating performance depends entirely on ColdWash technology rather than a dedicated heating element, which may not satisfy all performance expectations in extremely cold inlet water conditions.

Frequently Asked Questions

LG specifically engineered the TrueBalance Anti-Vibration System to handle second-floor installation — it's one of the few features explicitly called out for above-ground-floor use. In practice, the 1300 RPM spin produces noticeably less vibration and sound transfer through flooring than older top-loaders, making it a legitimate option for laundry rooms above living spaces.
SpeedWash completes a cycle in 15 minutes, but it's designed for small, lightly soiled loads — think gym clothes worn once or a few shirts that need freshening. It is not a substitute for the Normal or Heavy Duty cycle for full loads or heavily soiled items. Using it appropriately for its intended load type is key to getting clean results.
SmartDiagnosis transmits diagnostic data either through the LG ThinQ app over Wi-Fi or via an audio tone held up to a phone during a call with LG support. It does not require an ongoing subscription — it's a built-in feature that helps service technicians identify error codes and faults remotely before dispatching a repair visit, which can save a service call fee.
LoadSense automatically detects the weight and volume of each load and adjusts water level and wash time accordingly. For households that regularly run partial loads, this translates to real water savings over time versus fixed-fill machines — the washer doesn't use full-load water for a half-load.
Front-load washers require consistent gasket and door seal maintenance to prevent mold and mildew buildup — this is a characteristic of the front-load form factor, not specific to this model. LG's TubClean cycle with the door-and-gasket drying step is designed to address this if run regularly (monthly is the standard recommendation). Leaving the door slightly ajar between cycles also significantly reduces moisture buildup.