LiftMaster HDSL24UL Heavy-Duty Slide Gate Operator — 24VDC Variable Speed
The LiftMaster HDSL24UL is the heaviest-duty slide gate operator in the LiftMaster range. A custom 1.5 HP peak brushless DC motor and a size-70 direct-drive gearbox at 40:1 move gates up to 3,000 lbs at 1 ft per second.
Built for continuous duty in extreme applications — industrial yards, high-traffic commercial entrances and sites where the gate never stops working.
Reliable
- Moves heavy gates – up to 3,000 lbs at 1 ft per second
- Continuous-duty operation with a custom heavy-duty size-70 gearbox, direct drive, 40:1 ratio
- Custom 1.5 HP peak brushless DC motor – rated to 6 million cycles
- Variable cycle speed to match the application
- Smooth start and stop with mid-travel reversal, extending operator and gate hardware life
- Battery backup for operation during a power cut
- Warranty – 5 years commercial, 7 years residential
Smart
- Powered by myQ® for insight and control over community and facility access points
- Smart Community Access to monitor and control multiple sites
- Smart Facility Access when linked with access control powered by myQ
- Programmable relay outputs
- Cellular data or Wi-Fi connection required for myQ features
How Heavy Is Your Gate?
| Gate weight and traffic | What you need |
|---|---|
| Up to 3,000 lbs, extreme duty | This operator — HDSL24UL |
| High traffic, lighter gate, battery backup | The CSL24UL |
| Mains power only, no battery needed | The SL3000501UL |
| Swing gate rather than slide | The HDSW24UL heavy-duty swing operator |
| No mains power at the gate | See our solar gate operators |
Recommended Accessories
| Part | What it does |
|---|---|
| LMRRUL | Monitored photo eye for additional entrapment points |
| S505AL | Sensing edge for the leading edge of the gate |
| LMWEKITU | Wireless edge kit — removes the trailing cable to the gate edge |
| Loop detectors | Vehicle detection, free exit and safety interrupt |
| KPW5 / KPW250 | Wireless keypads for coded entry |
Manuals & Parts
Download the HDSL24UL Installation Manual (PDF) — wiring, programming, limit setup and the full error code list.
HDSL24UL replacement parts · All gate operators
Compatible Remotes
- Security+ 2.0 — 893MAX • 890MAX • 892LT • 894LT • 811LMX • 813LMX
Product Summary
LiftMaster HDSL24UL – 24VDC heavy-duty variable-speed slide gate operator for extreme applications. Brushless DC motor rated to 6 million cycles, continuous-duty gearbox, battery backup and myQ. Moves gates up to 3,000 lbs at 1 ft per second.
![Liftmaster HDSW24UL 24VDC Heavy-Duty Swing Gate Operator [HDSW24ULMC]](https://cdn11.bigcommerce.com/s-32eq2wsbti/images/stencil/500x659/products/15748/229714/liftmaster-hdsw24ul-24vdc-heavy-duty-swing-gate-operator-hdsw24ulmc-hdsw24ul__41950.1721411217.jpg?c=2 "Liftmaster HDSW24UL 24VDC Heavy-Duty Swing Gate Operator [HDSW24ULMC]")
![Liftmaster CSL24UL Commercial Slide Gate Operator with Battery Backup [CSL24ULMC]](https://cdn11.bigcommerce.com/s-32eq2wsbti/images/stencil/500x659/products/8309/233181/liftmaster-csl24ul-commercial-slide-gate-operator-with-battery-backup-csl24ulmc-csl24ul__71757.1724089762.jpg?c=2 "Liftmaster CSL24UL Commercial Slide Gate Operator with Battery Backup [CSL24ULMC]")