{"id":821,"date":"2026-05-13T06:23:28","date_gmt":"2026-05-13T06:23:28","guid":{"rendered":"https:\/\/tiltcylinder.net\/?post_type=product&p=821"},"modified":"2026-05-13T06:23:28","modified_gmt":"2026-05-13T06:23:28","slug":"epyy11112026-rear-opening-rack-support-cylinder","status":"publish","type":"product","link":"https:\/\/tiltcylinder.net\/ja\/product\/epyy11112026-rear-opening-rack-support-cylinder\/","title":{"rendered":"EPYY11112026 Rear Opening Rack Support Cylinder"},"content":{"rendered":"
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High-Precision Horizontal Extension Ram for Rear Outriggers<\/span><\/h1>\n

Optimize your crane’s stability footprint with the EPYY11112026 Behind Cylinder for Opening Rack Support<\/strong>. Engineered specifically for the rear outrigger boxes of mobile cranes, this 9kg precision actuator delivers a 635mm stroke to establish a wide, secure lifting base. Built for synchronized lateral deployment, it ensures fluid-smooth rack movement in high-frequency construction and industrial lifting cycles.<\/p>\n<\/header>\n

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1. Comprehensive Product Overview<\/h2>\n
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The truck crane rear rack cylinder<\/strong> is the primary hydraulic component responsible for the horizontal expansion of the stabilizer beams. Positioned within the rear chassis box, the EPYY11112026 model drives the horizontal “racks” outward, allowing the crane to safely engage its vertical jacks on a wider foundation. This outrigger extension cylinder<\/strong> is critical for maintaining anti-tilt safety during heavy telescopic boom maneuvers.<\/p>\n

Featuring a specialized complex fluid routing<\/strong> system, this actuator is designed for the tight confines of modern mobile crane frames. Despite its ultra-lightweight 9kg frame, it provides 12MPa of working pressure, making it a highly responsive horizontal slide ram<\/strong> that resists the friction and resistance inherent in heavily loaded outrigger assemblies.<\/p>\n

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Primary Engineering Applications:<\/h4>\n
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  • Truck Crane Rear Outriggers:<\/strong> Horizontal reach deployment for secondary stabilizers.<\/li>\n
  • Concrete Pump Trucks:<\/strong> Lateral frame extension for rear support arms.<\/li>\n
  • Aerial Work Platforms:<\/strong> High-speed horizontal deployment for chassis stability.<\/li>\n
  • Modular Transporters:<\/strong> Precision width adjustment for specialized heavy haulage.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n
    \"High<\/div>\n<\/div>\n<\/section>\n
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    2. Exact Technical Parameters<\/h2>\n

    Reliable horizontal deployment depends on precise hydraulic specifications. Review the verified data for the EPYY11112026 rack support ram<\/strong> below.<\/p>\n

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    Technical Attribute<\/th>\nSpecification Details (Model: EPYY11112026)<\/th>\n<\/tr>\n<\/thead>\n
    Cylinder Model Number<\/td>\nEPYY11112026<\/td>\n<\/tr>\n
    Bore \u00d7 Rod \u00d7 Stroke Specifications<\/td>\n\u03a640 \u00d7 \u03a625 \u00d7 635 (mm)<\/td>\n<\/tr>\n
    Rated Working Pressure<\/td>\n12 MPa (Standard Deployment)<\/td>\n<\/tr>\n
    Maximum Withstand Pressure<\/td>\n18 MPa (Impact Safety Margin)<\/td>\n<\/tr>\n
    Trip \/ Operational Stroke<\/td>\n635 mm (Rear Reach)<\/td>\n<\/tr>\n
    Installation Distance (Pin-to-Pin)<\/td>\n840 mm<\/td>\n<\/tr>\n
    Total Unit Weight<\/td>\n9 kg (Ultra-Compact Precision)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n
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    3. Structural Principles & CAD Analysis<\/h2>\n
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    The EPYY11112026 operates as a double-acting horizontal actuator. Integrated behind the rear outrigger beam, it uses its 635mm stroke to push the support rack outward. By utilizing a slender \u03a640mm bore, it minimizes oil consumption and heat generation while maintaining high deployment speeds.<\/p>\n

    Precision Fluid Routing:<\/strong> A unique feature of this cylinder is the complex external hard-piping<\/strong>. This design ensures that hydraulic fluid reaches the manifold ports with zero hose entanglement or chafing within the dark, debris-filled outrigger housing.<\/p>\n

    Blueprint Anatomy:<\/strong> The CAD drawing details an 840mm installation profile with dual clevis mounting points. The induction-hardened \u03a625mm rod is designed for high columnar strength, ensuring the actuator can overcome the friction of rust or excessive grease buildup on the stabilizer tracks without buckling.<\/p>\n<\/div>\n

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    \"Detailed<\/p>\n

    CAD Schematic showcasing the \u03a640mm bore and synchronized manifold porting.<\/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

    18MPa Surge Redundancy<\/h3>\n

    While operating at 12MPa, our 18MPa withstand rating prevents barrel distortion if the outrigger beam strikes a hidden obstacle during extension.<\/p>\n<\/div>\n

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    \ud83d\udccf<\/div>\n

    635mm Precision Reach<\/h3>\n

    Calibration-matched for rear outrigger boxes, ensuring the racks extend to their full intended width for maximum machine stability.<\/p>\n<\/div>\n

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    \u2696\ufe0f<\/div>\n

    9kg Ultra-Light Build<\/h3>\n

    Optimized for rear-chassis mounting, the 9kg build minimizes rear-axle overload while providing industrial-grade horizontal slide force.<\/p>\n<\/div>\n

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    \u2699\ufe0f<\/div>\n

    Hard-Pipe Manifold<\/h3>\n

    The integrated external piping layout eliminates hose abrasion and “hose-rub” leaks within the congested outrigger housing.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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    5. Structure and Material Craftsmanship<\/h2>\n
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    Reliable outrigger extension requires superior wear resistance. As an elite Truck Crane Cylinder Manufacturer<\/strong>, we utilize ST52.3 (E355) high-yield strength tubing to ensure the EPYY11112026 survives the harsh environments of roadside construction.<\/p>\n

    The \u03a640mm internal bore is roller-burnished to an mirror Ra 0.2\u00b5m finish. This process minimizes dynamic friction during the 635mm stroke, preventing premature seal wear caused by hydraulic fluid temperature spikes during repetitive deployment cycles.<\/p>\n