{"product_id":"greenlee-639-right-angle-twin-yoke-hook-sheave-4-000-lbs-reconditioned","title":"Greenlee 639 Right Angle Twin Yoke Sheave - Reconditioned - 639","description":"\u003ch2\u003eGreenlee 639 Right Angle Twin Yoke Sheave - Reconditioned - 639\u003c\/h2\u003e\n\u003cp\u003eStrong welded steel yokes\u003c\/p\u003e\n\u003cp\u003eForged steel closure type hook with 1\" opening\u003c\/p\u003e\n\u003cp\u003e5\" wide aluminum alloy sheave with self-lubricating bearings\u003c\/p\u003e\n\u003cp\u003eYokes rotate independently to fit various setups\u003c\/p\u003e\n\u003cp\u003eRight-Angle Twin Yoke Sheave 4,000 pound capacity\u003c\/p\u003e\n\u003cp\u003e9-13\/16\" Minimum radius capacity\u003c\/p\u003e\n\u003cp\u003eFor Cable pulling\u003c\/p\u003e\n\u003cp\u003eUse with any cable puller whose maximum pulling force is 4,000 pounds or less\u003c\/p\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"request-WEB:01ef3da1-3c4b-4304-9bae-10f97d77daa0-53\" class=\"\"\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"false\" data-testid=\"conversation-turn-108\" data-turn-id-container=\"request-WEB:01ef3da1-3c4b-4304-9bae-10f97d77daa0-53\" data-turn-id=\"request-WEB:01ef3da1-3c4b-4304-9bae-10f97d77daa0-53\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-3 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" data-conversation-screenshot-content=\"\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-turn-start-message=\"true\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-3-mini\" dir=\"auto\" data-message-id=\"ec2dbd29-39ee-49e0-9280-da40284e9975\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cul data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1043\" data-start=\"28\"\u003e\n\u003cli data-end=\"208\" data-start=\"28\" data-section-id=\"1t7d9gg\"\u003eThe Greenlee 639 Right Angle Twin Yoke Sheave is a \u003cstrong data-end=\"115\" data-start=\"81\"\u003especialized cable guiding tool\u003c\/strong\u003e, designed to control cable direction during pulls that require a 90-degree change in path.\u003c\/li\u003e\n\u003cli data-end=\"354\" data-start=\"209\" data-section-id=\"1q3gidp\"\u003eExperts highlight its \u003cstrong data-end=\"260\" data-start=\"233\"\u003etwin yoke sheave design\u003c\/strong\u003e, which helps distribute load evenly and reduce cable stress during directional transitions.\u003c\/li\u003e\n\u003cli data-end=\"488\" data-start=\"355\" data-section-id=\"8zqdvm\"\u003eIt is engineered for \u003cstrong data-end=\"406\" data-start=\"378\"\u003esmooth cable redirection\u003c\/strong\u003e, minimizing friction and helping prevent insulation damage on heavy-duty pulls.\u003c\/li\u003e\n\u003cli data-end=\"619\" data-start=\"489\" data-section-id=\"c708rv\"\u003eAs a \u003cstrong data-end=\"518\" data-start=\"496\"\u003ereconditioned unit\u003c\/strong\u003e, it offers a cost-effective solution for contractors needing professional cable-routing equipment.\u003c\/li\u003e\n\u003cli data-end=\"748\" data-start=\"620\" data-section-id=\"lxgjku\"\u003eBuilt for \u003cstrong data-end=\"678\" data-start=\"632\"\u003erugged electrical and utility environments\u003c\/strong\u003e, it is designed to withstand high-tension cable pulling operations.\u003c\/li\u003e\n\u003cli data-end=\"894\" data-start=\"749\" data-section-id=\"9xakvy\"\u003eOperators value its ability to \u003cstrong data-end=\"820\" data-start=\"782\"\u003eimprove pulling safety and control\u003c\/strong\u003e, especially in complex conduit layouts and confined jobsite conditions.\u003c\/li\u003e\n\u003cli data-is-last-node=\"\" data-end=\"1043\" data-start=\"895\" data-section-id=\"1um38p2\"\u003eOverall, it’s regarded as a \u003cstrong data-end=\"971\" data-start=\"925\"\u003ereliable directional cable management tool\u003c\/strong\u003e focused on precision routing, durability, and efficient cable handling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A   \u003c\/h5\u003e\n\u003cp data-end=\"232\" data-start=\"0\"\u003e\u003cstrong data-end=\"70\" data-start=\"0\"\u003eQ: What is the Greenlee 639 Right Angle Twin Yoke Sheave used for?\u003c\/strong\u003e\u003cbr data-end=\"73\" data-start=\"70\"\u003eA: The Greenlee 639 Right Angle Twin Yoke Sheave is used to guide and support cable during pulling operations where a 90-degree directional change is required.\u003c\/p\u003e\n\u003cp data-end=\"415\" data-start=\"234\"\u003e\u003cstrong data-end=\"284\" data-start=\"234\"\u003eQ: What type of cable work is it designed for?\u003c\/strong\u003e\u003cbr data-end=\"287\" data-start=\"284\"\u003eA: It is used in electrical, utility, and industrial cable pulling applications, especially in conduit and trench installations.\u003c\/p\u003e\n\u003cp data-end=\"579\" data-start=\"417\"\u003e\u003cstrong data-end=\"456\" data-start=\"417\"\u003eQ: What does a twin yoke sheave do?\u003c\/strong\u003e\u003cbr data-end=\"459\" data-start=\"456\"\u003eA: It provides stable cable guidance at right angles while reducing friction and preventing cable damage during pulling.\u003c\/p\u003e\n\u003cp data-end=\"727\" data-start=\"581\"\u003e\u003cstrong data-end=\"622\" data-start=\"581\"\u003eQ: Is this unit new or reconditioned?\u003c\/strong\u003e\u003cbr data-end=\"625\" data-start=\"622\"\u003eA: This listing is for a reconditioned unit that has been inspected and restored to working condition.\u003c\/p\u003e\n\u003cp data-end=\"889\" data-start=\"729\"\u003e\u003cstrong data-end=\"783\" data-start=\"729\"\u003eQ: What are the benefits of using a sheave system?\u003c\/strong\u003e\u003cbr data-end=\"786\" data-start=\"783\"\u003eA: It improves cable control, reduces pulling tension, and helps prevent abrasion or insulation damage.\u003c\/p\u003e\n\u003cp data-end=\"1028\" data-start=\"891\"\u003e\u003cstrong data-end=\"927\" data-start=\"891\"\u003eQ: Is it suitable for field use?\u003c\/strong\u003e\u003cbr data-end=\"930\" data-start=\"927\"\u003eA: Yes, it is designed for rugged job site conditions in professional electrical and utility work.\u003c\/p\u003e\n\u003cp data-end=\"1154\" data-start=\"1030\"\u003e\u003cstrong data-end=\"1070\" data-start=\"1030\"\u003eQ: Does it require power to operate?\u003c\/strong\u003e\u003cbr data-end=\"1073\" data-start=\"1070\"\u003eA: No, it is a mechanical system that operates without electricity or hydraulics.\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1324\" data-start=\"1156\"\u003e\u003cstrong data-end=\"1203\" data-start=\"1156\"\u003eQ: Why choose a reconditioned Greenlee 639?\u003c\/strong\u003e\u003cbr data-end=\"1206\" data-start=\"1203\"\u003eA: It offers reliable performance at a lower cost while maintaining safe and functional operation after refurbishment.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips      \u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"16ion27\" data-start=\"80\" data-end=\"153\"\u003eInspect sheave wheels before each use for cracks, wear, or flat spots\u003c\/li\u003e\n\u003cli data-section-id=\"1rklh5l\" data-start=\"154\" data-end=\"226\"\u003eEnsure both sheaves rotate smoothly without binding or unusual noise\u003c\/li\u003e\n\u003cli data-section-id=\"17intul\" data-start=\"227\" data-end=\"296\"\u003eClean grooves regularly to remove dirt, grease, and cable residue\u003c\/li\u003e\n\u003cli data-section-id=\"g1zbzt\" data-start=\"297\" data-end=\"371\"\u003eLubricate bearings lightly to maintain consistent rotation performance\u003c\/li\u003e\n\u003cli data-section-id=\"1fh82ew\" data-start=\"372\" data-end=\"443\"\u003eCheck yoke frame and hardware for bends, cracks, or loose fasteners\u003c\/li\u003e\n\u003cli data-section-id=\"1dra2hi\" data-start=\"444\" data-end=\"512\"\u003eTighten all bolts, pins, and locking components before operation\u003c\/li\u003e\n\u003cli data-section-id=\"1h8dlsg\" data-start=\"513\" data-end=\"587\"\u003eVerify alignment of twin sheaves for proper right-angle cable guidance\u003c\/li\u003e\n\u003cli data-section-id=\"ygxn8p\" data-start=\"588\" data-end=\"642\"\u003eDo not exceed rated load or cable pulling capacity\u003c\/li\u003e\n\u003cli data-section-id=\"eya1a0\" data-start=\"643\" data-end=\"703\"\u003eInspect hook or attachment point for deformation or wear\u003c\/li\u003e\n\u003cli data-section-id=\"k1la69\" data-start=\"704\" data-end=\"786\"\u003eKeep unit dry to prevent rust and corrosion, especially on reconditioned parts\u003c\/li\u003e\n\u003cli data-section-id=\"1lx54cp\" data-start=\"787\" data-end=\"854\"\u003eRemove debris that could damage cable insulation during pulling\u003c\/li\u003e\n\u003cli data-section-id=\"19nh4i7\" data-start=\"855\" data-end=\"905\"\u003eStore in a clean, dry location when not in use\u003c\/li\u003e\n\u003cli data-section-id=\"9ymydn\" data-start=\"906\" data-end=\"970\"\u003eReplace worn bearings or sheaves promptly for safe operation \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Greenlee","offers":[{"title":"Default Title","offer_id":45699883303103,"sku":"Greenlee 639","price":533.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/Greenlee_639_Stock.jpg?v=1780747594","url":"https:\/\/backyardprovider.com\/products\/greenlee-639-right-angle-twin-yoke-hook-sheave-4-000-lbs-reconditioned","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}