{"id":815,"date":"2026-05-13T06:11:59","date_gmt":"2026-05-13T06:11:59","guid":{"rendered":"https:\/\/tiltcylinder.net\/?post_type=product&p=815"},"modified":"2026-05-13T06:11:59","modified_gmt":"2026-05-13T06:11:59","slug":"epyy11112025-truck-crane-front-support-cylinder","status":"publish","type":"product","link":"https:\/\/tiltcylinder.net\/id\/product\/epyy11112025-truck-crane-front-support-cylinder\/","title":{"rendered":"EPYY11112025 Truck Crane Front Support Cylinder"},"content":{"rendered":"
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High-Precision 5th Outrigger Jack for Mobile Cranes<\/span><\/h1>\n

Maximize your crane’s 360\u00b0 lifting chart with the EPYY11112025 Front Support Cylinder<\/strong>. Engineered as the critical “5th jack” for mobile crane chassis, this 45kg stabilization ram provides 18MPa of vertical force with a 790mm stroke. Designed to prevent forward tipping during front-sector lifts, it ensures a rock-solid foundation for telescopic boom operations in tight urban environments.<\/p>\n<\/header>\n

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1. Comprehensive Product Overview<\/h2>\n
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The EPYY11112025 crane front support cylinder<\/strong> is a specialized vertical actuator typically mounted at the front bumper or chassis frame of truck cranes. Its primary role is to establish a four-point or five-point stabilization grid, significantly increasing the crane’s forward-reach stability. This stabilization jack cylinder<\/strong> is essential for high-tonnage cranes performing precision lifts over the cab.<\/p>\n

Built with a \u03a680mm bore and \u03a660mm rod, this model balances a compact installation profile with high load-bearing capacity. It serves as a 100% mechanical replacement for flagship mobile crane brands, featuring a 1112mm installation height and a durable flange-mount design for secure chassis integration.<\/p>\n

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Primary Engineering Applications:<\/h4>\n
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  • Truck Cranes:<\/strong> 5th outrigger stabilization for front-sector lifting operations.<\/li>\n
  • All-Terrain Cranes:<\/strong> Auxiliary chassis leveling for uneven construction sites.<\/li>\n
  • Concrete Pump Trucks:<\/strong> Front-mounted support for high-reach placing booms.<\/li>\n
  • Utility Aerial Lifts:<\/strong> Rapid vertical stabilization for roadside maintenance vehicles.<\/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

    Operational safety depends on precise hydraulic scaling. Review the verified technical specifications of the EPYY11112025 front outrigger jack<\/strong> below.<\/p>\n

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    Technical Attribute<\/th>\nSpecification Details (Model: EPYY11112025)<\/th>\n<\/tr>\n<\/thead>\n
    Cylinder Model Number<\/td>\nEPYY11112025<\/td>\n<\/tr>\n
    Bore \u00d7 Rod \u00d7 Stroke Specifications<\/td>\n\u03a680 \u00d7 \u03a660 \u00d7 790 (mm)<\/td>\n<\/tr>\n
    Rated Working Pressure<\/td>\n18 MPa (High-Tonnage Leveling)<\/td>\n<\/tr>\n
    Maximum Withstand Pressure<\/td>\n27 MPa (Safety Surge Protection)<\/td>\n<\/tr>\n
    Trip \/ Operational Stroke<\/td>\n790 mm<\/td>\n<\/tr>\n
    Installation Distance (Pin-to-End)<\/td>\n1112 mm<\/td>\n<\/tr>\n
    Total Unit Weight<\/td>\n45 kg (Compact Steel Build)<\/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 EPYY11112025 operates as a vertical double-acting hydraulic jack. In mobile crane applications, it is integrated into the front chassis box. By extending its 790mm stroke, it transfers a portion of the machine’s front axle weight onto a ground pad, effectively acting as a pivot point that prevents forward rotational momentum during heavy lifting.<\/p>\n

    Hydraulic Performance:<\/strong> Supplying 18MPa to the \u03a680mm bore produces the stable force required to level a multi-ton crane chassis. The thick \u03a660mm rod is specifically engineered to provide columnar strength, ensuring the cylinder stays rigid even when fully extended under maximum vertical load.<\/p>\n

    Blueprint Anatomy:<\/strong> The CAD drawing details a flange-mounting configuration at the cylinder head, which distributes load evenly across the chassis frame. A specialized spherical rod end allows the outrigger pad to adapt to sloped or uneven soil, preventing destructive lateral forces on the Japanese NOK internal seals.<\/p>\n<\/div>\n

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    \"Engineering<\/p>\n

    CAD Schematic showcasing the \u03a680mm bore architecture and flange-mount geometry.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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

    27MPa Overload Redundancy<\/h3>\n

    Front stabilizers face violent shocks during high-angle luffing. Our 27MPa withstand rating ensures the steel barrel remains immune to swelling.<\/p>\n<\/div>\n

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    \u2696\ufe0f<\/div>\n

    Zero-Drift High-Pressure Seals<\/h3>\n

    Utilizing imported Japanese NOK multi-lip seals to eliminate internal fluid bypass, ensuring the crane chassis maintains absolute level position for days of operation.<\/p>\n<\/div>\n

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    \ud83d\udcaa<\/div>\n

    Anti-Buckling \u03a660mm Rod<\/h3>\n

    The high-tensile 60mm rod is induction-hardened to provide unparalleled columnar strength, critical for preventing buckling under full load extension.<\/p>\n<\/div>\n

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    \u2699\ufe0f<\/div>\n

    Universal Flange Mount<\/h3>\n

    Engineered to a standardized 1112mm installation height, it serves as a modification-free drop-in for standard mobile crane outrigger circuits.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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    5. Elite Structure and Material Craftsmanship<\/h2>\n
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    Establishing structural safety for high-reach cranes requires uncompromised metallurgy. As an elite Heavy-Duty Outrigger Cylinder Manufacturer<\/strong>, we utilize ST52.3 (E355) high-yield strength seamless tubing to ensure the EPYY11112025 outlasts the equipment it serves.<\/p>\n

    The \u03a680mm internal bore is CNC skived and roller-burnished to an mirror Ra 0.2\u00b5m finish. This minimizes dynamic friction during outrigger deployment, preventing thermal seal degradation even in dusty construction environments where abrasive grit is prevalent.<\/p>\n