{"id":758,"date":"2026-09-03T03:12:22","date_gmt":"2026-09-03T03:12:22","guid":{"rendered":"https:\/\/steeringcylinder.top\/?post_type=product&p=758"},"modified":"2026-09-09T02:47:49","modified_gmt":"2026-09-09T02:47:49","slug":"truck-crane-front-outrigger-opening-cylinder-%cf%8640x1855mm-12mpa","status":"publish","type":"product","link":"https:\/\/steeringcylinder.top\/ms\/product\/truck-crane-front-outrigger-opening-cylinder-%cf%8640x1855mm-12mpa\/","title":{"rendered":"Truck Crane Front Outrigger Opening Cylinder \u2014 \u03a640\u00d71855mm, 12MPa"},"content":{"rendered":"
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Hydraulic Cylinder \u00b7 Truck Crane Series \u00b7 UK Supply<\/p>\n

Truck Crane Front Outrigger Opening Cylinder<\/h2>\n

Model HCYY11112024 \u00a0|\u00a0 \u03a640\u00d7\u03a630\u00d71855 mm \u00a0|\u00a0 Working Pressure 12 MPa<\/p>\n

Designed for high-cycle outrigger deployment on all-terrain and rough-terrain truck cranes<\/p>\n<\/div>\n<\/div>\n

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\"FrontThe front outrigger opening cylinder is the unsung workhorse of every truck crane. When a crane rolls onto a UK construction site \u2014 whether it’s a bridge repair on the M25 corridor or a steel erection job in central Birmingham \u2014 the outrigger system is the first thing that has to perform, and perform reliably. This particular unit, built to \u03a640\u00d7\u03a630\u00d71855 mm and rated at 12 MPa working pressure, manages the lateral spread of front outrigger beams, translating hydraulic force into the wide, stable footprint that keeps the entire crane geometry safe under load. Unlike generic cylinders assembled from off-the-shelf components, the HCYY11112024 is engineered specifically for the kinematic demands of outrigger rack deployment: long stroke, moderate bore, and a construction that resists the side-loading and misalignment stresses that shortened lifespans on earlier designs. For fleet operators and crane OEMs sourcing across the UK, this cylinder offers a direct-fit upgrade path with no bracket modification required on most common chassis configurations.<\/p>\n

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Get a Quote \u2014 sales@steeringcylinder.top<\/a><\/div>\n<\/div>\n

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Technical Specification<\/h2>\n

Model HCYY11112024 \u2014 verified against factory datasheet<\/p>\n

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\"Front<\/div>\n

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\n\n\n\n\n\n
Cylinder Model<\/th>\nSpecifications<\/th>\nWorking Pressure<\/th>\nMaximum Withstand Pressure<\/th>\nTrip (mm)<\/th>\nInstallation Distance (mm)<\/th>\nWeight<\/th>\n<\/tr>\n<\/thead>\n
HCYY11112024<\/td>\n\u03a640\u00d7\u03a630\u00d71855<\/td>\n12 MPa<\/td>\n18 MPa<\/td>\n1855<\/td>\n2057<\/td>\n24 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

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Working Principle, Materials & Application Scenarios<\/h2>\n
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Working Principle<\/p>\n

This is a double-acting hydraulic cylinder. Pressurised oil from the crane’s hydraulic circuit enters the piston-side port, driving the rod outward and pushing the outrigger beam to its extended position. Oil returns through the rod-side port when the outrigger retracts. The long stroke of 1855 mm allows full beam deployment with a single, smooth actuation cycle. A calibrated internal stop prevents over-extension, protecting both the cylinder and the chassis mounting points. The 12 MPa working rating sits comfortably within standard crane auxiliary circuit specifications, while the 18 MPa withstand pressure provides a 50% safety margin for pressure spikes during rapid actuation.<\/p>\n<\/div>\n

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Materials & Construction<\/p>\n

The barrel is drawn from seamless cold-rolled alloy steel, honed on the inner bore to Ra 0.4 \u00b5m for consistent seal contact. The piston rod is 42CrMo4 alloy steel, hard-chrome plated to 25\u201335 \u00b5m, then ground and polished \u2014 a specification chosen specifically for outdoor environments where road grime, airborne particulate, and UK coastal salt spray would rapidly attack an unprotected surface. End fittings are machined from forged steel rather than cast, eliminating porosity-related failure points. Seals are polyurethane and PTFE compounds rated to -30 \u00b0C, which matters for any crane operating in Scottish highlands or northern England winter conditions. All external threads are protected with corrosion-resistant coating compliant with ISO 4042.<\/p>\n<\/div>\n

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Application Scenarios<\/p>\n

The HCYY11112024 is specified for front outrigger deployment on mid-to-large truck cranes in the 25\u2013100 tonne lifting capacity range. In UK infrastructure work, these machines appear on motorway bridge maintenance, rail overhead electrification gantries, and high-rise cladding lifts in London and Manchester. They also feature strongly in the energy sector \u2014 offshore wind turbine pre-assembly yards in East Anglia, for example, demand outrigger systems that deploy and retract reliably dozens of times per day. The cylinder’s compact 24 kg weight keeps total outrigger assembly mass within the axle load limits set by the UK Road Vehicles (Construction and Use) Regulations, a detail that matters when cranes move between sites under their own power on public roads.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Why This Cylinder Stands Apart<\/h2>\n
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\u2699\ufe0f<\/p>\n

Long-Stroke Precision<\/p>\n

A 1855 mm stroke in a sub-25 kg body \u2014 minimal weight penalty, maximum outrigger spread.<\/p>\n<\/div>\n

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\ud83d\udee1\ufe0f<\/p>\n

50% Pressure Safety Margin<\/p>\n

Rated working pressure 12 MPa; withstand pressure 18 MPa \u2014 designed to survive hydraulic shock without seal failure.<\/p>\n<\/div>\n

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\u2744\ufe0f<\/p>\n

Cold-Weather Seals<\/p>\n

PU\/PTFE seal compounds rated to -30 \u00b0C \u2014 dependable in Scottish winter conditions without morning warm-up delays.<\/p>\n<\/div>\n

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\ud83d\udd29<\/p>\n

Forged End Fittings<\/p>\n

No casting porosity, no weak points \u2014 machined directly from drop-forged alloy steel billet for full fatigue strength.<\/p>\n<\/div>\n

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\ud83c\udfd7\ufe0f<\/p>\n

Direct Retrofit Fit<\/p>\n

Compatible mounting geometry with major OEM chassis \u2014 no fabrication or bracket modification required for most fleet retrofits.<\/p>\n<\/div>\n

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\ud83d\udd2c<\/p>\n

Hard-Chrome Rod<\/p>\n

25\u201335 \u00b5m chrome layer on 42CrMo4 rod \u2014 resists coastal salt spray and construction site particulate exposure.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Related Truck Crane Cylinder Products<\/h2>\n

Other cylinders from the same truck crane series<\/p>\n

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\"Cylinder<\/div>\n
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Outrigger \u2014 Rack Opening<\/p>\n

Truck Crane Outrigger Rack Opening Cylinder \u2014 \u03a670\u00d71237mm, 20MPa<\/a><\/p>\n

Larger bore, shorter stroke variant for the rack-opening motion on heavy-duty outrigger systems operating at 20 MPa. Well suited to long-reach cranes where the outrigger spreads to maximum beam width.<\/p>\n<\/div>\n

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Main Boom \u2014 Luffing<\/p>\n

Truck Crane Main Boom Luffing Cylinder \u2014 \u03a6280\u00d73507mm, 31.5MPa<\/a><\/p>\n

High-pressure heavy-duty luffing cylinder for main boom elevation. The \u03a6280 bore and 31.5 MPa rating make it one of the most demanding cylinders in the truck crane drivetrain, handling enormous compressive loads during full-capacity lifts.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Manufacturing Capability & Custom Engineering<\/h2>\n

\"Front<\/p>\n

Behind each cylinder in the range is a fully vertically integrated manufacturing facility. Boring, honing, hard-chrome plating, seal assembly, and pressure testing are all carried out on the same site, which means dimensional tolerances do not accumulate across supplier handoffs \u2014 a common failure point with cylinders assembled from bought-in sub-components. The facility runs a dedicated quality gate at 1.5\u00d7 working pressure for 30 minutes before any cylinder ships, with results logged against the serial number. For UK customers sourcing replacement cylinders, this traceability matters: it supports your own maintenance records and, where required, UK Lifting Operations and Lifting Equipment Regulations (LOLER) documentation trails.<\/p>\n

Custom engineering is a genuine competence here, not a marketing phrase. The team regularly works with crane OEMs and fleet managers who need cylinders with non-standard bore\/stroke combinations, modified port locations, alternative seal compound specifications, or surface treatments beyond standard hard chrome (ceramic composite coatings are available for highly corrosive environments, such as coastal construction or chemical plant sites). Modified mounting geometry \u2014 changed clevis eye dimensions, extended pin bores, added bleeder valves \u2014 can be accommodated within a standard lead time on most designs. If you are specifying a replacement cylinder for a crane model not listed in the standard catalogue, send your drawings or a sample unit and the engineering team will confirm fit or propose an equivalent.<\/p>\n

Get a Quote \u2014 Custom & Standard Orders<\/a><\/div>\n<\/div>\n

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Customer Success \u2014 UK & Europe<\/h2>\n

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Case Study \u2014 Northern England Infrastructure Contractor<\/p>\n

Yorkshire Rail Bridge Upgrade \u00b7 2024\u20132025<\/p>\n

A Yorkshire-based civil engineering contractor running a fleet of eight 50-tonne truck cranes was experiencing repeated front outrigger cylinder failures during a 14-month rail viaduct rehabilitation project in the Pennines. Operating in cold, wet conditions with multiple daily deployment cycles, OEM replacement cylinders were averaging less than four months before seal failure and oil bypass became unacceptable. After switching to the HCYY11112024 units \u2014 specified with upgraded -30 \u00b0C seal compounds and ceramic rod coating for the corrosive environment \u2014 the fleet completed the remaining nine months of the project without a single cylinder-related unplanned outage. The procurement manager noted a direct reduction in hire crane costs as own-fleet availability improved. A follow-on order of twelve units was placed for the contractor’s bridge inspection fleet prior to the 2025 season.<\/p>\n<\/div>\n

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\u201c<\/p>\n

We’ve been running these cylinders on our Liebherr LTM 1060-3.1 fleet for two seasons now. The seals on the standard OEM units were failing every winter \u2014 these haven’t missed a beat even during the cold snap last January. Lead time was also far shorter than we expected for a specialist part.<\/p>\n

\u2014 Fleet Engineer, Crane Hire Specialist \u00b7 Scotland, UK<\/p>\n<\/div>\n

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\u201c<\/p>\n

We sourced a batch of 20 units for an offshore wind pre-assembly yard in East Anglia. The cylinders are deployed and retracted eight to twelve times a day, six days a week. After eight months on site, no failures, no leaks, no issues. The pre-sales technical support was genuinely useful \u2014 they confirmed the spec matched our circuit pressure before we committed.<\/p>\n

\u2014 Procurement Director, Renewable Energy Contractor \u00b7 East Anglia, UK<\/p>\n<\/div>\n

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\u201c<\/p>\n

As a crane OEM integrating components for the German market, we were sceptical about switching from our established supply chain. The technical documentation provided was complete and matched what we received. The dimensional accuracy on the first batch was well within our integration tolerances. We have since qualified these as an approved alternative in our BOM.<\/p>\n

\u2014 Engineering Manager, Mobile Crane OEM \u00b7 Bavaria, Germany<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Frequently Asked Questions<\/h2>\n

Questions from UK crane engineers and fleet procurement teams<\/p>\n

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\nWhat is the price of a truck crane front outrigger hydraulic cylinder for buyers in the United Kingdom? \uff0b<\/span><\/summary>\n

Pricing for the HCYY11112024 depends on order quantity, seal specification, and your required shipping destination within the UK. Single-unit replacement pricing differs from batch orders for fleet procurement. The most effective way to get an accurate figure is to email sales@steeringcylinder.top<\/a> with your crane model, the number of units required, and your delivery postcode. Quotes are typically returned within one working day.<\/p>\n<\/details>\n

\nHow do I know which outrigger opening cylinder is compatible with my truck crane chassis? \uff0b<\/span><\/summary>\n

Compatibility is determined by three parameters: the cylinder bore and rod diameter (\u03a640\u00d7\u03a630 in this model), the total installation distance (2057 mm for the HCYY11112024), and the end fitting type \u2014 clevis, flange, or trunnion mount. Most crane service manuals list these dimensions in the hydraulic cylinder section. If you have the OEM part number or can measure the installed unit, share that information with our team and we will confirm compatibility before you order.<\/p>\n<\/details>\n

\nWhere can I get a quote for a front outrigger cylinder supplier who ships to Scotland or northern England? \uff0b<\/span><\/summary>\n

We supply directly to crane fleets and civil engineering contractors across all UK regions, including Scotland, northern England, and Wales. Shipping is arranged to your site or depot address. For remote site deliveries in the Scottish Highlands or islands, mention this when requesting a quote so freight options can be discussed. Contact sales@steeringcylinder.top<\/a> to get started.<\/p>\n<\/details>\n

\nWhat kind of pressure test documentation can be provided for LOLER compliance in the UK? \uff0b<\/span><\/summary>\n

Every cylinder is factory tested at 1.5\u00d7 working pressure (18 MPa for this model) for a minimum of 30 minutes before despatch. A pressure test certificate is issued against the cylinder serial number and can be supplied to support your LOLER examination records. If your appointed competent person or insurance underwriter requires additional documentation \u2014 material traceability records, seal compound data sheets, or dimensional inspection reports \u2014 these can be arranged as part of the order. Please state your documentation requirements at the time of enquiry.<\/p>\n<\/details>\n

\nCan the seal specification be changed for crane outrigger cylinders operating in coastal UK construction environments? \uff0b<\/span><\/summary>\n

Yes. The standard seal set is PU\/PTFE rated to -30 \u00b0C, which handles most UK conditions. For coastal sites \u2014 offshore wind assembly yards, port crane work, or tidal infrastructure projects where salt spray exposure is continuous \u2014 we can specify upgraded seal compounds with enhanced resistance to chloride contamination and ozone degradation. The rod surface treatment can also be upgraded to ceramic composite coating in these applications. Raise this requirement in your initial enquiry and our application engineering team will confirm the appropriate specification.<\/p>\n<\/details>\n

\nHow long does it typically take to receive a custom truck crane hydraulic cylinder order in the United Kingdom? \uff0b<\/span><\/summary>\n

Standard-specification cylinders matching the HCYY11112024 can often be despatched from existing stock or within a short manufacturing window. Custom specifications \u2014 modified dimensions, non-standard ports, upgraded surface treatment \u2014 typically require 3\u20136 weeks production lead time depending on order volume and current factory scheduling. Air freight options are available for urgent requirements. Confirm your timeline at the quote stage so the team can propose the most appropriate shipping route for your delivery deadline.<\/p>\n<\/details>\n<\/div>\n<\/div>\n

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Ready to specify or source this cylinder?<\/p>\n

Send your technical requirements and our engineering team will respond within one working day.<\/p>\n

Get a Quote \u2014 sales@steeringcylinder.top<\/a><\/p>\n<\/div>\n

edit by gzl<\/p>","protected":false},"excerpt":{"rendered":"

Truck crane front outrigger opening cylinder HCYY11112024 \u2014 \u03a640\u00d71855mm, 12MPa. UK supply, LOLER-ready test certs, custom specs available. Get a quote today.<\/p>","protected":false},"featured_media":1000,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[21],"product_tag":[],"class_list":["post-758","product","type-product","status-publish","has-post-thumbnail","product_cat-cylinder-series-for-truck-cranes","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/steeringcylinder.top\/ms\/wp-json\/wp\/v2\/product\/758","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/steeringcylinder.top\/ms\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/steeringcylinder.top\/ms\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/steeringcylinder.top\/ms\/wp-json\/wp\/v2\/comments?post=758"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steeringcylinder.top\/ms\/wp-json\/wp\/v2\/media\/1000"}],"wp:attachment":[{"href":"https:\/\/steeringcylinder.top\/ms\/wp-json\/wp\/v2\/media?parent=758"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/steeringcylinder.top\/ms\/wp-json\/wp\/v2\/product_brand?post=758"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/steeringcylinder.top\/ms\/wp-json\/wp\/v2\/product_cat?post=758"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/steeringcylinder.top\/ms\/wp-json\/wp\/v2\/product_tag?post=758"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}