{"id":1814,"date":"2026-09-09T06:23:03","date_gmt":"2026-09-09T06:23:03","guid":{"rendered":"https:\/\/metalite.net\/?post_type=product&p=1814"},"modified":"2026-09-09T06:42:33","modified_gmt":"2026-09-09T06:42:33","slug":"hcyy11112013-hook-lift-body-lock-cylinder","status":"publish","type":"product","link":"https:\/\/metalite.net\/ary\/product\/hcyy11112013-hook-lift-body-lock-cylinder\/","title":{"rendered":"Hook Lift Body Lock Cylinder \u2013 Model HCYY11112013 | \u03a640\u00d7\u03a620\u00d7200, 30 MPa"},"content":{"rendered":"

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Model HCYY11112013<\/p>\n

Hook Lift Body Lock Cylinder<\/h2>\n

\u03a640 \u00d7 \u03a620 \u00d7 200 mm \u00b7 30 MPa working pressure \u00b7 4.2 kg<\/p>\n

30 MPa Working Pressure<\/span>
\n37 MPa Burst Tested<\/span>
\n200 mm Stroke<\/span><\/div>\n<\/div>\n

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\"HCYY11112013<\/div>\n
\"HCYY11112013<\/div>\n<\/div>\n

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What Is the Hook Lift Body Lock Cylinder \u2014 and Why Does It Matter?<\/h2>\n

The hook lift body lock cylinder<\/strong> (model HCYY11112013) is the smallest cylinder in a hooklift truck’s hydraulic circuit, but don’t let that fool you \u2014 it’s arguably the most critical safety component on the entire vehicle. Its one job: lock the body firmly against the subframe once the container or skip bin has been lifted and loaded. No lock, no road-legal operation. Simple as that.<\/p>\n

Unlike the tilt or telescopic cylinders that do the heavy lifting during loading cycles, the body latch cylinder<\/strong> works at the end of the sequence \u2014 extending a relatively short 200 mm stroke to engage a mechanical lock pin or latch bracket. It stays pressurized (or mechanically latched, depending on system design) for the entire road transit. That means sealing integrity, dimensional accuracy, and consistent pressure-holding capacity under vibration are non-negotiable.<\/p>\n

At 4.2 kg and a compact bore of \u03a640 mm, this hydraulic body latch cylinder<\/strong> is designed to fit within the tight envelope of a hooklift subframe without compromising structural access or maintenance clearance.<\/p>\n

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Technical Specifications \u2014 HCYY11112013 Body Lock Cylinder<\/h2>\n

\"HCYY11112013<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nValue<\/th>\nWhat It Means in Practice<\/th>\n<\/tr>\n<\/thead>\n
Model<\/td>\nHCYY11112013<\/td>\nHook lift body lock series<\/td>\n<\/tr>\n
Bore \u00d7 Rod \u00d7 Stroke<\/td>\n\u03a640 \u00d7 \u03a620 \u00d7 200 mm<\/td>\nCompact geometry for tight subframe mounting<\/td>\n<\/tr>\n
Working Pressure<\/td>\n30 MPa<\/td>\nRated for full hooklift system circuit pressure<\/td>\n<\/tr>\n
Max Withstand Pressure<\/td>\n37 MPa<\/td>\n23% overpressure safety margin above rated<\/td>\n<\/tr>\n
Stroke (Trip)<\/td>\n200 mm<\/td>\nSufficient travel for latch engagement and retraction<\/td>\n<\/tr>\n
Installation Distance<\/td>\n370 mm<\/td>\nCenter-to-center mounting span (retracted)<\/td>\n<\/tr>\n
Weight<\/td>\n4.2 kg<\/td>\nMinimal unsprung mass addition to the subframe<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

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Why a 30 MPa Locking Cylinder with a 23% Safety Margin Isn’t Overkill<\/h2>\n

You might wonder: if the body lock cylinder only extends 200 mm and weighs 4.2 kg, why does it need to be rated at 30 MPa \u2014 the same pressure as the main tilt and telescopic cylinders? The answer is hydraulic system architecture. Hooklift circuits almost universally run a common working pressure across all actuators. The control valve diverts flow to each cylinder in sequence; the body lock cylinder sits on the same high-pressure line as everything else.<\/p>\n

The 37 MPa maximum withstand pressure<\/strong> \u2014 23% above the rated working pressure \u2014 provides a calculated safety margin that absorbs pressure spikes caused by cold hydraulic fluid (higher viscosity = higher transient pressure at valve opening), load-induced shocks during transit, and any momentary system anomalies before the relief valve has time to respond. Specifying a lower-rated cylinder on this position to cut costs is a well-known field maintenance mistake that leads to seal extrusion and unexpected unlocking events.<\/p>\n

The \u03a640 mm bore delivers a push force of approximately 37.7 kN at 30 MPa<\/strong> \u2014 more than enough to overcome any mechanical resistance in a properly maintained latch bracket, including contaminated or slightly misaligned pins that are common in real-world waste-management and construction applications.<\/p>\n

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Where This Hydraulic Locking Cylinder for Hooklift Body Is Used<\/h2>\n

The HCYY11112013 is a direct-fit replacement or OEM-spec component for the body lock position on hooklift (skip loader) trucks operating in:<\/p>\n