{"product_id":"abell-howe-motorized-rotation-jib-cranes","title":"Motorized Rotation for Jib Crane Boom Swing","description":"\u003cp\u003eMotorized rotation option for jib cranes. Replaces manual boom swing with an operator-controlled drive for safer, more precise load positioning across freestanding, wall-cantilever, wall-bracketed, and mast-type models.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCapacity: quarter ton to 5 tons standard\u003c\/li\u003e\n\u003cli\u003eHeight under boom: 8 to 20 feet standard\u003c\/li\u003e\n\u003cli\u003eRotation speed: half RPM nominal standard\u003c\/li\u003e\n\u003cli\u003eIndoor or outdoor service\u003c\/li\u003e\n\u003cli\u003eVariable Frequency Drive (VFD) for precision movement and braking\u003c\/li\u003e\n\u003cli\u003eTwo-pole rotation limit switch available\u003c\/li\u003e\n\u003cli\u003eTop or bottom entry collector for 360-degree continuous rotation\u003c\/li\u003e\n\u003cli\u003eAvailable on J904B, J904F, J904R, J902, J900, J906FCT, and JENG\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProduction and assembly cells\u003c\/li\u003e\n\u003cli\u003eHeavy load positioning\u003c\/li\u003e\n\u003cli\u003eOutdoor crane installations\u003c\/li\u003e\n\u003cli\u003eSevere duty mill applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConstruction \u0026amp; Standards\u003c\/h3\u003e\u003cp\u003eDrive uses a speed reducer with direct pinion-to-ring-gear engagement. Lapped steel spiral bevel pinions and gears are heat-treated and hardened to 58-62 Rockwell C. Helical-enclosed gearing drives a hardened ring gear fastened to the top of the jib mast.\u003c\/p\u003e","brand":"Abell-Howe","offers":[{"title":"Default Title","offer_id":53625235439915,"sku":"abell-howe-motorized-rotation-jib-cranes","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/7771\/3707\/files\/1564-abell-howe-motorized-rotation-jib-cranes.png?v=1789223075","url":"https:\/\/deluxesystems.com\/products\/abell-howe-motorized-rotation-jib-cranes","provider":"Deluxe Systems","version":"1.0","type":"link"}