LiftMaster 65520816STK Dual-Trolley Modification Package – 1/2 HP T Operator, 16-Foot Application
LiftMaster 65520816STK Dual-Trolley Modification Package – 1/2 HP T Operator, 16-Foot Application
Use LiftMaster package 65520816STK to create an approved 16-foot dual-trolley configuration with a compatible 1/2 HP T-series commercial door operator. The dual-trolley arrangement helps distribute operating force across qualifying wide or reinforced sectional doors.
Product details:
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Manufacturer: LiftMaster
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SKU: 65520816STK
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Application length: 16 feet
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Operator type: Compatible T-series trolley operator
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Operator rating: 1/2 HP
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Configuration: Dual-trolley modification
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Commercial application
This modification package does not automatically include a complete operator or every component required for installation. Extended rails, the correct #48 drive chain, cross shaft, mounting supports, door arms, fasteners, and related hardware may need to be selected separately.
Cross-reference this package with LiftMaster dual-trolley modification 65-5208. Confirm the exact T-operator model, horsepower, rail length, chain requirement, door dimensions, door weight, track layout, balance, and overhead clearance before ordering.
A 16-foot dual-trolley system must be installed and aligned correctly to prevent binding, uneven pulling, premature chain wear, and damage to the door or operator. Installation should be performed by a qualified commercial-door technician following the applicable LiftMaster instructions.
Order 65520816STK only when the approved operator and door configuration requires the 16-foot, 1/2 HP version.
Details
Need Help With Compatibility?
Not sure if this is the correct part for your garage door, operator, gate system, or application? Contact Us before ordering — we’re happy to help.
Garage-DoorParts.com carries a large selection of residential and commercial parts, and many components can look similar while having important differences in dimensions, model numbers, voltage, mounting, or compatibility.
For the best assistance, please provide as much information as possible, including the manufacturer, model number, part number, door or operator type, dimensions, and clear photos of the existing part or equipment.
Our goal is to help you identify the correct product before you order and reduce the possibility of ordering an incompatible part.
Contact Us with your product questions and compatibility information, and we’ll do our best to point you in the right direction.
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