{"id":804,"date":"2026-05-13T03:43:40","date_gmt":"2026-05-13T03:43:40","guid":{"rendered":"https:\/\/tiltcylinder.net\/?post_type=product&p=804"},"modified":"2026-05-13T03:43:40","modified_gmt":"2026-05-13T03:43:40","slug":"epyy11112022-opening-rack-support-cylinder","status":"publish","type":"product","link":"https:\/\/tiltcylinder.net\/pt\/product\/epyy11112022-opening-rack-support-cylinder\/","title":{"rendered":"EPYY11112022 Opening Rack Support Cylinder"},"content":{"rendered":"
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Precision Outrigger Extension Ram for Truck Cranes<\/span><\/h1>\n

Expand your operational footprint with absolute precision. The EPYY11112022 Opening Rack Support Cylinder<\/strong> is a highly specialized 48kg hydraulic actuator designed to horizontally deploy mobile crane outriggers. Operating at 20MPa with an impressive 1237mm stroke, it guarantees smooth, synchronized rack extension to establish a stable lifting base on complex construction sites.<\/p>\n<\/header>\n

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1. Comprehensive Product Overview<\/h2>\n
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In the mobile crane industry, structural stability begins with lateral deployment. The EPYY11112022 truck crane rack cylinder<\/strong> is purposefully engineered to drive the horizontal outrigger beams (racks) outward before the vertical stabilization jacks are engaged. This critical horizontal movement dictates the crane’s maximum lifting capacity and safety footprint.<\/p>\n

Crafted for tight-clearance chassis integration, this outrigger extension cylinder<\/strong> combines a compact 48kg mass with an extended 1237mm reach. It serves as a premium aftermarket drop-in for globally recognized truck cranes, offering superior resistance against bending and internal fluid bypass during the intense deployment cycle.<\/p>\n

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Primary Engineering Applications:<\/h4>\n
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  • Truck Crane Outriggers:<\/strong> Horizontal extension of stabilizing racks.<\/li>\n
  • Mobile Elevating Work Platforms:<\/strong> Lateral chassis expansion for aerial lifts.<\/li>\n
  • Industrial Machinery:<\/strong> Precision opening mechanisms for heavy sliding racks.<\/li>\n
  • Modular Transporters:<\/strong> Hydraulic width adjustment for heavy haulage.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n
    \"Compact<\/div>\n<\/div>\n<\/section>\n
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    2. Exact Technical Parameters<\/h2>\n

    Smooth chassis deployment relies on precise hydraulic calibration. Review the verified technical specifications of the EPYY11112022 rack support ram<\/strong> below to ensure seamless system integration.<\/p>\n

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    Technical Attribute<\/th>\nSpecification Details (Model: EPYY11112022)<\/th>\n<\/tr>\n<\/thead>\n
    Cylinder Model Number<\/td>\nEPYY11112022<\/td>\n<\/tr>\n
    Bore \u00d7 Rod \u00d7 Stroke Specifications<\/td>\n\u03a670 \u00d7 \u03a650 \u00d7 1237 (mm)<\/td>\n<\/tr>\n
    Rated Working Pressure<\/td>\n20 MPa (Approx. 2900 PSI)<\/td>\n<\/tr>\n
    Maximum Withstand Pressure<\/td>\n30 MPa (High Safety Buffer)<\/td>\n<\/tr>\n
    Trip \/ Operational Stroke<\/td>\n1237 mm (Extended Reach)<\/td>\n<\/tr>\n
    Installation Distance (Offset)<\/td>\n140 mm<\/td>\n<\/tr>\n
    Total Unit Weight<\/td>\n48 kg (High Strength-to-Weight)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n
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    3. Structural Principles & CAD Blueprint<\/h2>\n
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    The EPYY11112022 operates as a long-stroke, double-acting hydraulic actuator. Housed within the horizontal outrigger box of a truck crane, it converts 20MPa of hydraulic pressure into a linear pushing force, extending the heavy steel racks smoothly to their designated width.<\/p>\n

    Hydraulic Dynamics:<\/strong> To push heavy steel beams horizontally without sagging, the cylinder relies on a robust \u03a670mm bore and a thick \u03a650mm rod. This specific 70\/50 ratio ensures the cylinder rod will not buckle or deflect under the immense friction of the sliding rack, even when fully extended to its 1237mm limit.<\/p>\n

    Blueprint Anatomy:<\/strong> The CAD drawing reveals a specialized trunnion-style mounting configuration. This allows the long cylinder body to float slightly within the chassis housing, absorbing chassis flex and preventing destructive side-loads on the internal seal matrix. The compact 140mm installation offset enables it to fit seamlessly into low-profile mobile crane chassis.<\/p>\n<\/div>\n

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    \"Engineering<\/p>\n

    CAD Schematic showcasing the \u03a670mm bore, 1237mm stroke, and central trunnion mount design.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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    4. Core Advantages of EPYY Rack Rams<\/h2>\n
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    \ud83d\udee1\ufe0f<\/div>\n

    30MPa Shock Immunity<\/h3>\n

    Crane outriggers face severe shock loads when deployed on uneven ground. Our 30MPa withstand rating ensures the steel barrel remains intact during pressure spikes.<\/p>\n<\/div>\n

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    \ud83d\udccf<\/div>\n

    1237mm Precision Stroke<\/h3>\n

    The extensive 1.2-meter reach allows the crane to establish a widely dispersed, ultra-stable lifting footprint, critical for high-altitude telescopic operations.<\/p>\n<\/div>\n

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    \u2696\ufe0f<\/div>\n

    48kg Compact Integration<\/h3>\n

    Weighing only 48kg, it provides exceptional horizontal pushing power without adding unnecessary parasitic weight to the mobile crane’s chassis.<\/p>\n<\/div>\n

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    \u26d3\ufe0f<\/div>\n

    Anti-Buckling \u03a650mm Rod<\/h3>\n

    The thick 50mm rod resists bending stresses effectively when pushing out heavy steel rack beams against high friction in construction environments.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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    5. Structure and Material Craftsmanship<\/h2>\n
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    Reliable horizontal deployment demands superior wear resistance. As a globally trusted Crane Cylinder Manufacturer<\/strong>, we fabricate the EPYY11112022 from ST52.3 precision seamless steel tubing, designed to endure continuous extension\/retraction cycles.<\/p>\n

    The \u03a670mm internal bore is CNC skived and roller-burnished. This creates a friction-reducing Ra 0.2\u00b5m finish, preventing premature wear on the internal Japanese NOK seals even when hydraulic oil temperatures run high.<\/p>\n