{"product_id":"liftmaster-q018","title":"LiftMaster Q018 \/ K20-1050B-1RL Replacement Gate Motor — 1\/2 HP, 115V AC, Single Phase","description":"\u003cp\u003e\u003cstrong\u003eThe LiftMaster Q018 is a replacement gate-operator motor identified by the supplier as manufacturer part K20-1050B-1RL. LiftMaster’s part schedule describes this motor as 1\/2 HP, 115V, single phase. Select it for equipment whose exact service documentation calls for that complete reference, including the suffix. It is a motor service component, not a complete operator or a universal replacement for every 1\/2 HP LiftMaster drive.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eCompatibility — Models, Versions and Exclusions\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel or selection point\u003c\/th\u003e\n\u003cth\u003eCompatibility requirement\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eK20-1050B-1RL applications\u003c\/td\u003e\n\u003ctd\u003eUse only where the operator’s service documentation specifies this part or an approved replacement.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSimilar K20-1050 part numbers\u003c\/td\u003e\n\u003ctd\u003eSuffixes identify different motor configurations; do not omit them when comparing parts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24V DC gate motors\u003c\/td\u003e\n\u003ctd\u003eA different electrical platform; not interchangeable because horsepower happens to match.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther voltage or three-phase motors\u003c\/td\u003e\n\u003ctd\u003eNo substitution is established by the 1\/2 HP rating alone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eConfirm the Motor Fault and the Exact Replacement Configuration\u003c\/h2\u003e\u003cp\u003eA stalled or inconsistent gate is not proof that the motor has failed. A technician should check the electrical supply, control output, connections and mechanical drive before recommending replacement. A damaged transmission component or binding gate may keep a correct motor from operating normally. The repair should address the original cause as well as any resulting damage.\u003c\/p\u003e\u003cp\u003ePhotograph the motor nameplate and its mounting arrangement, together with the operator model label. Previous service may have changed components inside an older enclosure. The complete part number is more useful than a general description such as Elite motor or half horsepower. Confirm mounting, shaft and attached drive parts from the service documentation instead of selecting on outward appearance.\u003c\/p\u003e\u003ch2\u003eSpecifications and Product Identification\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupplier SKU\u003c\/td\u003e\n\u003ctd\u003eQ018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer part number\u003c\/td\u003e\n\u003ctd\u003eK20-1050B-1RL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower rating\u003c\/td\u003e\n\u003ctd\u003e1\/2 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor supply\u003c\/td\u003e\n\u003ctd\u003e115V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase\u003c\/td\u003e\n\u003ctd\u003eSingle phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComponent\u003c\/td\u003e\n\u003ctd\u003eReplacement gate-operator motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFit requirement\u003c\/td\u003e\n\u003ctd\u003eComplete motor reference and approved operator parts diagram\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eBefore Ordering\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRead the complete existing motor number, including every suffix.\u003c\/li\u003e\n\u003cli\u003eConfirm the operator model and applicable parts diagram.\u003c\/li\u003e\n\u003cli\u003eHave the supply, control circuit and mechanical drive inspected.\u003c\/li\u003e\n\u003cli\u003eIdentify any separate belt, pulley, capacitor or mounting parts required for the documented repair.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Contents and Separate Requirements\u003c\/h2\u003e\u003cp\u003eThis listing identifies the replacement motor. A gearbox, drive belt, pulley, capacitor or complete wiring assembly should not be assumed included unless the current supplier offer expressly lists it. Check the kit inventory against the required repair so nearby components in an exploded drawing are not mistakenly treated as part of this motor shipment.\u003c\/p\u003e\u003ch2 class=\"safety-warning\"\u003eSafety Warnings — Read Before Installation or Service\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWARNING: Mains voltage and unexpected gate movement can cause serious injury or death. Motor replacement requires a qualified gate-systems technician.\u003c\/li\u003e\n\u003cli\u003eIsolate and secure every applicable power source and the gate before opening the drive or touching motor wiring.\u003c\/li\u003e\n\u003cli\u003eDo not connect this motor to a different voltage, phase or DC supply based on approximate nameplate similarity.\u003c\/li\u003e\n\u003cli\u003eRestore the required mechanical guards and verify travel, direction and all protection devices before normal operation resumes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eRelated Products and Important Differences\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/garage-doorparts.com\/products\/liftmaster-lmrrul-monitored-retro-reflective-photo-eye\"\u003eLMRRUL monitored photo eye\u003c\/a\u003e — a separate safety component to evaluate only against the repaired operator’s approved accessory list.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/garage-doorparts.com\/products\/liftmaster-lmwekitu-monitored-wireless-edge-kit-for-gate-operators\"\u003eLMWEKITU monitored wireless edge kit\u003c\/a\u003e — a safety-edge communication system for compatible controls; it is not part of this motor kit or a universal retrofit for older operators.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhy does this use both Q018 and K20-1050B-1RL?\u003c\/h3\u003e\u003cp\u003eThe supplier uses Q018 as the item reference and identifies K20-1050B-1RL as the manufacturer part number.\u003c\/p\u003e\u003ch3\u003eWill it replace any 1\/2 HP gate motor?\u003c\/h3\u003e\u003cp\u003eNo. Electrical characteristics, mounting and the approved service reference must match.\u003c\/p\u003e\u003ch3\u003eIs it the same as the 24V DC K76-36398 motor?\u003c\/h3\u003e\u003cp\u003eNo. This listing is for the 115V AC single-phase Q018 motor. The two electrical platforms must not be confused.\u003c\/p\u003e\u003ch3\u003eWill a motor replacement fix a binding gate?\u003c\/h3\u003e\u003cp\u003eNo. Mechanical problems require correction. The motor should not be used to overcome a damaged or improperly supported gate.\u003c\/p\u003e\u003ch2\u003eNeed Help Confirming the Right Product?\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"https:\/\/garage-doorparts.com\/pages\/contact\"\u003eContact Garage-DoorParts.com before ordering\u003c\/a\u003e. Send the full equipment model, readable part labels and photographs of the installed assembly. Include the dimensions, electrical configuration or accessory details relevant to your project so the listing can be checked against the actual installation.\u003c\/p\u003e","brand":"Controlled products","offers":[{"title":"Default Title","offer_id":60655766536478,"sku":"Q018","price":580.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/2781\/5710\/files\/q018.jpg?v=1793139861","url":"https:\/\/garage-doorparts.com\/products\/liftmaster-q018","provider":"garage-doorparts.com","version":"1.0","type":"link"}