{"id":1772,"date":"2026-09-09T03:05:11","date_gmt":"2026-09-09T03:05:11","guid":{"rendered":"https:\/\/ever-powers.com\/?post_type=product&p=1772"},"modified":"2026-09-09T03:20:45","modified_gmt":"2026-09-09T03:20:45","slug":"hcyy11112013-hook-lift-locking-hydraulic-cylinder","status":"publish","type":"product","link":"https:\/\/ever-powers.com\/id\/product\/hcyy11112013-hook-lift-locking-hydraulic-cylinder\/","title":{"rendered":"HCYY11112013-Hook Lift Locking Hydraulic Cylinder"},"content":{"rendered":"
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Primary Keyword:<\/strong> Hook Lift Locking Hydraulic Cylinder<\/p>\n

Related Keywords:<\/strong> roll-off hoist locking cylinder, container locking cylinder, hydraulic locking cylinder, hook lift spare parts, environmental protection truck cylinder<\/p>\n

Long-tail Keywords:<\/strong> replacement locking cylinder for roll-off hoist, OEM hook lift hydraulic cylinder supplier, hydraulic cylinder for hook lift truck container lock, hook lift locking cylinder 30MPa, custom locking cylinder for waste collection vehicle<\/p>\n<\/div>\n

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HCYY11112013 \u2014 Hook Lift Locking Hydraulic Cylinder<\/h2>\n

Environmental Protection Series \u00b7 Double-Acting \u00b7 Bore \u03a640 \u00d7 Rod \u03a620 \u00d7 Stroke 200 mm<\/p>\n

\"Hook<\/p>\n

The hook lift locking hydraulic cylinder<\/strong> HCYY11112013 is a compact, high-pressure double-acting cylinder designed specifically to secure containers on roll-off hook lift trucks during loading, transit, and unloading. With a 30 MPa working pressure \u2014 the highest rating in the Environmental Protection Series \u2014 this cylinder delivers 37.7 kN of locking force through a 200 mm stroke, providing the mechanical authority needed to hold a loaded skip container firmly against the hook lift frame under road vibration and dynamic load shifts.<\/p>\n

Where most locking mechanisms rely on passive mechanical latches prone to wear and misalignment, this cylinder provides active hydraulic engagement: the piston extends to drive the locking pin or latch mechanism into its seat, and retract force is equally controlled. The result is a locking action that can be verified by system pressure rather than visual inspection alone \u2014 an important operational advantage for fleet operators managing multiple vehicles.<\/p>\n

At 4.2 kg, the HCYY11112013 is one of the lightest cylinders in the series, appropriate for a component that mounts at the container locking point \u2014 a location where unsprung mass and packaging space are both constrained. It is manufactured to accept optional HNBR seals for operation with biodegradable hydraulic fluid, and can be equipped with a pressure switch port for electronic lock-confirmation signaling.<\/p>\n<\/div>\n

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Product Overview<\/h2>\n

On a hook lift truck, the container locking cylinder sits at the interface between the hook arm and the container’s locking receiver. When the arm lowers and the hook engages the container, this cylinder extends to drive the lock bar into its seated position. It must hold that position reliably through the full operating cycle \u2014 including road transit at highway speeds over rough surfaces where vibration and inertia try to force the latch open. The HCYY11112013 is engineered for exactly this environment.<\/p>\n

The cylinder’s high working pressure of 30 MPa relative to its small bore diameter (\u03a640 mm) is intentional. A smaller bore at higher pressure produces a more compact envelope than a larger bore at lower pressure for equivalent locking force. This design philosophy keeps the installation distance to 370 mm \u2014 short enough to fit within the structural envelope of even compact hook lift frames used on 8\u201318 tonne GVW trucks. The 200 mm stroke accommodates manufacturing variation in container receiver positions across different container manufacturers, giving operators flexibility when mixing container brands within a fleet.<\/p>\n

The cylinder is classified within the Environmental Protection Series, reflecting its primary application on waste collection, recycling, and liquid waste transport vehicles \u2014 equipment that often operates in corrosive environments: road salt, acidic leachate splash, and cleaning chemical exposure. Surface treatment and seal specification are selected accordingly. For fleets operating under environmental compliance requirements that mandate biodegradable hydraulic fluid, the optional HNBR seal package is a direct fit without modification to the cylinder body.<\/p>\n

For OEM roll-off hoist and hook lift truck manufacturers sourcing locking cylinders for production-line integration, the HCYY11112013 is available with custom mounting configurations, port orientations, and locking-pin interface geometry to match existing frame designs. Replacement-market buyers sourcing this cylinder as an aftermarket substitute should confirm bore, stroke, and port thread specification against the original unit before ordering.<\/p>\n<\/div>\n

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Technical Specifications<\/h2>\n<\/div>\n

\"HCYY11112013<\/p>\n

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\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nSpecification<\/th>\n<\/tr>\n<\/thead>\n
Cylinder Model<\/td>\nHCYY11112013<\/strong><\/td>\n<\/tr>\n
Type<\/td>\nDouble-Acting<\/td>\n<\/tr>\n
Bore Diameter<\/td>\n\u03a640 mm<\/td>\n<\/tr>\n
Rod Diameter<\/td>\n\u03a620 mm<\/td>\n<\/tr>\n
Stroke<\/td>\n200 mm<\/td>\n<\/tr>\n
Installation Distance<\/td>\n370 mm<\/td>\n<\/tr>\n
Working Pressure<\/td>\n30 MPa<\/td>\n<\/tr>\n
Maximum Pressure<\/td>\n37 MPa<\/td>\n<\/tr>\n
Extend Force (at 30 MPa)<\/td>\n37.7 kN<\/td>\n<\/tr>\n
Weight<\/td>\n4.2 kg<\/td>\n<\/tr>\n
Series<\/td>\nEnvironmental Protection Series<\/td>\n<\/tr>\n
Optional Seal<\/td>\nHNBR (biodegradable fluid compatible)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

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Installation Position on Hook Lift Garbage Truck<\/h2>\n

\"Hydraulic<\/p>\n

The diagram above shows the complete hydraulic cylinder layout on a standard hook lift garbage truck. The locking cylinder (HCYY11112013)<\/strong> is positioned at the container locking point \u2014 the interface where the hook arm frame meets the container’s locking receiver bar. In the diagram, this is the compact short-stroke actuator located near the rear of the arm frame, closest to the hook engagement zone.<\/p>\n

Its installation distance of 370 mm keeps it within the structural envelope of the arm frame cross-member without projecting beyond the vehicle body width. The cylinder’s port orientation should be confirmed against the actual hydraulic line routing on the vehicle frame \u2014 port position is configurable at order stage to avoid interference with existing hose runs.<\/p>\n<\/div>\n

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Engineering Design Details<\/h2>\n

\"\"<\/p>\n

Cylinder Tube:<\/strong> The barrel is honed to a surface finish consistent with reliable seal performance across the full 200 mm stroke. Wall thickness is calculated for the 37 MPa burst-test condition with a standard safety factor. The tube is treated externally for corrosion resistance appropriate to vehicle underbody environments.<\/p>\n

Piston Rod:<\/strong> At \u03a620 mm, the rod diameter relative to the \u03a640 mm bore gives a 50% rod ratio. This geometry means the retract force is 25% of the extend force \u2014 acceptable for a locking cylinder where the primary work is driving the lock into engagement. The rod surface is hard-chrome plated and precision ground to maintain film integrity with the rod seal under repeated cycling and vibration-induced micro-movement during transit.<\/p>\n

Hydraulic Seals:<\/strong> Standard seal material is selected for petroleum-based hydraulic fluid in the temperature range typical of vehicle hydraulic circuits. The optional HNBR package substitutes all elastomer components with hydrogenated nitrile rubber, which maintains seal integrity in contact with synthetic ester and polyglycol biodegradable fluids without swelling or hardening over service life. A pressure switch port can be machined into the cap end to allow integration with a cab-mounted lock-confirmation indicator.<\/p>\n

Bore Diameter and Pressure Rating:<\/strong> The \u03a640 mm bore operating at 30 MPa delivers 37.7 kN of locking force \u2014 enough to resist container movement under the inertial loads generated by emergency braking with a full container. The 37 MPa maximum pressure rating provides headroom against pressure spikes from closed-center valve circuits during thermal expansion.<\/p>\n

Stroke and Installation Distance:<\/strong> The 200 mm stroke accommodates variation in locking-pin engagement depth across different container receiver designs. The 370 mm installation distance \u2014 measured between mounting pin centerlines \u2014 determines the structural bracket geometry required on the hook lift frame. This dimension should be verified against the available frame envelope before ordering.<\/p>\n

Mounting Structure:<\/strong> Standard mounting is customizable according to customer requirements \u2014 clevis, flange, or trunnion configurations are available. Port thread specification should be confirmed at order stage to match the existing vehicle hydraulic plumbing standard.<\/p>\n<\/div>\n

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Why Choose This Hydraulic Locking Cylinder<\/h2>\n