IMPORTANT NOTE: Due to the impact of COVID 19 on LiftMaster Manufacturing, shipping times may be delayed. Please contact us for estimated shipping times. LiftMaster Heavy Industrial Duty Gearhead Trolley Operator GT for 12 Foot Doors
Recommended for heavy, standard-lift sectional overhead doors in heavy-duty, high-cycle commercial applications
1/2 HP 115V Single Phase Continuous-Duty High-Starting Torque Motor-Performs in demanding industrial overhead door applications
3-Button station, for open/close/stop functions
Trolley Roller Chain-#41 standard
Adjustable friction clutch helps protect against damage to the door and operator should the door meet an obstruction
Emergency Disconnect disconnects the operator from the door for manual lifting in an emergency
SECURITY+ 2.0 RADIO RECEIVER Standard on-board with Logic 5.0. Accepts up to (90) single-button or (30) 3-Button remote controls plus up to (30) wireless keypads or an unlimited number of DIP switch remotes
3-Push button station (Open/Close/Stop)
CPS-U Commercial Photo Cell system
2 year warranty
Note: Over the Road freight charges apply. IMPORTANT: Due to supply chain shortages we currently do not offer quantity discounts, and for some of our products we are limiting the quantities that may be purchased.
2+: $2,052.54 each 4+: $2,052.54 each 8+: $2,052.54 each
We are either "OUT OF" this part because it is currently unavailable, or the part is "NLA" - No Longer Available. Please contact us regarding future availability or possible substitutes for items that are no longer available.
Huge inventory of parts and torsion springs for same or next day shipping! Here you will find all you need in the most common sizes of 1 3/4," 2," 2 1/4," and 2 5/8" inside diameter springs. Please contact us for specialty springs such as TorqueMaster, EZ Set, self-Storage, and steel rolling door springs as many of these have been subject to supply chain shortages. Larger 3 3/4" commercial and industrial springs may require an week to ship; other springs may require three to four weeks to process.
COVID update. No mask, no service! When picking up parts please wear a mask. We'll gladly provide one. Please honor the six foot social distancing rule. Thank you for your patience and understanding.
Shipping times and costs have changed. Normal transit times are currently not guaranteed, even on next day and second day shipments. Shipping prices on items over eight feet have more than tripled.