LiftMaster 6690L Premium Series Operator Head Only 

The LiftMaster Premium 6690L operator head is the top-tier Premium solution for professional garage door installers. Designed for performance and durability, this version is sold as the operator only, making it the right choice for replacements, upgrades, or use with existing belt-drive rail assemblies.

Why Pros Choose the 6690L

• 1¼ HPs DC motor with belt drive delivers ultra-quiet, smooth operation.
• Built-in swivel camera provides a 130° wide-angle live feed via the myQ® app.
• Corner-to-Corner Lighting™ with 2000-lumen 360° LED coverage brightens the whole garage.
• Battery Backup ensures reliable access even during power outages.
• myQ® Wi-Fi connectivity enables remote control, alerts, and video monitoring.
• Security+® 3.0 technology ensures encrypted, interference-free operation.
• Lifetime warranty on motor and belt, plus 5 years on LED lighting; 1 year on battery, camera, and accessories.

Professional Advantages

• Operator-only configuration for easy swap-ins and service upgrades.
• Premium feature set enhances customer satisfaction and reduces callbacks.
• Quiet, reliable performance perfect for attached garages and high-demand homes.

What's the Difference between the Premium vs. Plus vs. Basic series?

• Operator Housing: The Premium series has a metal housing, while the Basic has a plastic
• Horse Power: The Premium series offers a 1-1/4 horse power motor, while the Plus has a 1 hp and the Basic a 3/4 hp motor
• Drive Type: The Premium series gives you a choice between a belt drive or for heavier duty applications the i-beam chain drive (4690L model)
• Lighting: The Premium series boasts a super bright 2000 Lumen LED light that provides 360° lighting
• Noise Level: The Premium series operates around 49 dB (similar to the amount of noise a household refrigerator makes)
• Battery Backup: Comes standard with the Premium series 
• Warranty: The motor comes with a lifetime warranty

Specifications

• Motor: 12V DC, 53 RPM, automatic thermal protection, permanent lubrication
• Mechanics: Steel chassis, t-rail and trolley, full reinforced belt drive mechanism (63:1 gear reduction and adjustable door arm)
• Power: 120V AC, 60 Hz, 2.7A current rating, UL listed, 6' power cord (3-prong)
• Speed: 9" per second upward, 6.5" per second downward
• Lighting: 2000 Lumen integrated LED (360°)
• Dimensions: 10"L x 19"W x 7"H

What's in the Box?

• 6690L Operator Power Head
• (2) L993M - 3-Button Remote Control
• L958W - Smart Control Panel
• L979M - Wireless Keyless Entry