{"id":1545,"date":"2026-09-09T03:26:10","date_gmt":"2026-09-09T03:26:10","guid":{"rendered":"https:\/\/boom-cylinders.com\/?post_type=product&p=1545"},"modified":"2026-09-09T06:48:53","modified_gmt":"2026-09-09T06:48:53","slug":"hcyy11112022-outrigger-rack-support-cylinder","status":"publish","type":"product","link":"https:\/\/boom-cylinders.com\/ro\/product\/hcyy11112022-outrigger-rack-support-cylinder\/","title":{"rendered":"Outrigger Rack Support Cylinder"},"content":{"rendered":"
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Truck Crane Hydraulics \u00b7 UK Supply<\/p>\n

Outrigger Rack Support Cylinder \u2014 HCYY11112022<\/h2>\n

A purpose-engineered hydraulic cylinder for opening rack support on mobile cranes, elevated work platforms, and heavy lifting equipment operating across UK construction and industrial sites. Built to 20 MPa working pressure with a 30 MPa safety threshold, this unit delivers predictable outrigger deployment in environments where reliability is not negotiable.<\/p>\n

Get a Quote \u2014 sales@boom-cylinders.com<\/a><\/p>\n<\/div>\n<\/div>\n

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\ud83d\udce7 Request a Quote Now<\/a><\/div>\n

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What Makes This Outrigger Cylinder Different<\/h2>\n

\"OutriggerThe HCYY11112022 outrigger rack support cylinder is designed for one job \u2014 deploying and retracting the lateral support arms on truck-mounted cranes with absolute precision. Operating at a rated working pressure of 20 MPa (with a maximum withstand of 30 MPa), it handles the kind of load cycles that would compromise a lesser unit within months. The bore-to-rod pairing of \u03a670 \u00d7 \u03a650 mm gives it a generous annular area ratio, ensuring controlled retraction force even under eccentric loading \u2014 a common reality on uneven UK building sites and quarry approaches where outrigger contact surfaces are rarely perfectly level.<\/p>\n

With a 1237 mm stroke and an installation distance of 140 mm, this cylinder fits the structural envelope of medium-to-large crane outrigger beams without requiring costly bracket modifications. At 48 kg, it sits at the practical upper end of what a two-person crew can handle manually, so the mounting interface is machined to tight tolerances to make alignment straightforward. Every unit that leaves our facility undergoes full hydraulic pressure testing, stroke verification, and seal integrity checks before shipping \u2014 directly to customers in England, Scotland, Wales, and Northern Ireland.<\/p>\n<\/div>\n

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Engineering Advantages at a Glance<\/h2>\n
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High-Pressure Rated<\/h3>\n

Sustained 20 MPa working pressure with a 30 MPa safety ceiling ensures the cylinder performs without creep or seal blowout during maximum outrigger load scenarios.<\/p>\n<\/div>\n

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Precision Bore-Rod Ratio<\/h3>\n

The \u03a670 \u00d7 \u03a650 mm combination delivers a rod area of approximately 1963 mm\u00b2, providing strong retraction force \u2014 critical for pulling outrigger beams back under load.<\/p>\n<\/div>\n

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Custom-Fit Stroke Length<\/h3>\n

A 1237 mm stroke matches the deployment range of most 25\u201350 tonne truck crane outrigger assemblies, reducing the need for adapter sleeves or modified mounting plates.<\/p>\n<\/div>\n

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Durable Sealing System<\/h3>\n

Polyurethane and PTFE composite seals resist hydraulic fluid degradation and temperature cycling from sub-zero Scottish winter sites to warm summer conditions across southern England.<\/p>\n<\/div>\n

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Full Pressure-Test Certification<\/h3>\n

Every outrigger cylinder is hydrostatically tested before despatch, with documentation available for UK fleet operators who need traceable component records for safety inspections and LOLER compliance.<\/p>\n<\/div>\n

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Direct UK Despatch<\/h3>\n

Export-packaged for sea or air freight, with standard lead times and express options available for crane fleets needing urgent replacement units to minimise downtime on live construction contracts.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Technical Specifications<\/h2>\n

Verified factory data \u2014 model HCYY11112022<\/p>\n

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\"Technical<\/div>\n

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Cylinder for Opening Rack Support<\/th>\n<\/tr>\n
Cylinder Model<\/th>\nSpecifica\u021bii<\/th>\nWorking Pressure<\/th>\nMaximum Withstand Pressure<\/th>\nTrip<\/th>\nInstallation Distance<\/th>\nWeight<\/th>\n<\/tr>\n<\/thead>\n
HCYY11112022<\/td>\n\u03a670 \u00d7 \u03a650 \u00d7 1237<\/td>\n20 MPa<\/td>\n30 MPa<\/td>\n1237<\/td>\n140<\/td>\n48 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

All dimensions in mm unless otherwise stated. Trip = stroke length. Installation distance measured pin-to-pin at full retraction.<\/p>\n<\/div>\n

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How It Works \u2014 Principle, Materials & Application<\/h2>\n
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Operating Principle<\/h3>\n

Pressurised hydraulic fluid enters the cap-end port, pushing the piston and rod assembly outward to extend the outrigger beam. Return oil exits through the rod-end port. A balanced spool valve in the crane’s hydraulic circuit holds the cylinder in any intermediate position without drift, keeping the machine stable during crane operation. The annular differential between bore and rod areas means retraction requires less flow volume than extension \u2014 this is intentional, as retraction typically occurs unladen.<\/p>\n<\/div>\n

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Materials & Construction<\/h3>\n

The cylinder barrel is manufactured from seamless cold-drawn steel tube, honed to Ra 0.4 \u00b5m internally for optimal seal life. The piston rod is 50Cr alloy steel, hard chrome plated to 20\u201325 \u00b5m and ground to h6 tolerance \u2014 giving a surface hardness above 850 HV that resists the abrasion found on construction and quarry sites throughout the UK. End caps are forged steel, machined and thread-locked. All external surfaces receive anti-corrosion primer suited to the coastal and industrial environments common in UK infrastructure projects.<\/p>\n<\/div>\n

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Typical Applications (UK)<\/h3>\n