Book Now & Get $25 OFF
Joe's Doors Garage Door Services Logo
Call: 954-799-9787
Book Online
LiftMaster Commercial Operator · Installation & Repair

J Jackshaft Operator — Installation & Repair

Logic 5.0 jackshaft operator for smaller industrial sectional & rolling doors — South Florida installation & service

The LiftMaster J is a Logic 5.0 jackshaft operator for industrial applications with smaller sectional doors, rolling doors, and grilles. It side-mounts to the wall for vertical and high-lift doors, rated at 25 cycles per hour — a compact industrial workhorse installed and serviced by Joe’s Doors across Miami-Dade, Broward, Palm Beach, Collier and Lee counties.

📞 Call 954-799-9787Get a Free Estimate
Licensed & InsuredSame-Day ServiceLiftMaster Specialists
LiftMaster J Jackshaft Operator — Logic 5.0
25/hr · 90/dayDuty Cycle
Sectional & RollingDoor Types
Side / Hood MountInstallation
CompactFootprint
Logic 5.0Platform
myQ® + S+2.0®Smart Access
About This Operator

Compact Industrial Muscle

The J is the compact member of LiftMaster’s Logic 5.0 industrial family: a wall-mounted jackshaft operator for smaller sectional doors on vertical or high lift, and smaller rolling doors and grilles with wall or hood mounting. No ceiling rail, no wasted space — just direct shaft drive beside the door. It shares the full Logic 5.0 feature set: myQ® connectivity, Security+ 2.0®, programmable timer-to-close, and UL 325-compliant safety accessories. View full specs on LiftMaster.com ↗
LiftMaster DJ Door Lock Jackshaft — Logic 5.0
LiftMaster J ready for professional installation
Professional Installation

J Installation in Miami & Broward

We install J operators on service bays, shop doors, and light industrial buildings — mounted to the wall or hood, coupled to the door shaft with correct alignment, limits and force dialed in, and safety accessories commissioned before handoff.
  • Wall or hood mount beside the door
  • Shaft coupling & alignment
  • Limits & force precisely set
  • Photo eyes & safety commissioning
Schedule Installation
Repair & Service

J Repair You Can Count On

J operator clicking, drifting limits, or refusing to close? We diagnose and repair the full Logic 5.0 line, with boards, receivers, and drive parts stocked for single-visit fixes wherever possible.
  • Logic 5.0 diagnostics & board repair
  • Limit & force recalibration
  • Drive & clutch service
  • Preventive maintenance plans
Call for Same-Day Repair
LiftMaster H Hoist Operator — Logic 5.0
Request an Estimate

Tell Us About Your Project

  • 1Share project details. Send the form or call us — either way we identify your needs fast.
  • 2Same-day callback. Online requests get a callback the same business day.
  • 3On-site estimate. We measure, inspect, and quote at your facility — free.
Thank you! Your request is in — we’ll call you back the same business day.
Something went wrong sending the form — please call us at 954-799-9787.
Prefer to talk now? Call 954-799-9787 — Mon–Sat 6AM–7PM, Sun 7AM–6PM.
Keep Exploring

More LiftMaster Commercial Operators

Good to Know

J — Common Questions

What doors is the J made for?Smaller sectional doors on vertical or high lift and smaller rolling doors and grilles in industrial settings — it side-mounts to the wall, keeping the ceiling clear.
How does it differ from the H?The J is the compact jackshaft option for smaller doors; the H adds hoist capability and capacity for larger doors. We’ll size it during a free estimate.
What’s the duty cycle?25 cycles per hour and up to 90 cycles per day — solid industrial duty for most shops and warehouses.
Is remote control available?Yes — Logic 5.0 supports myQ® monitoring and Security+ 2.0® remotes and access accessories.