{"id":1371,"date":"2026-09-08T02:40:41","date_gmt":"2026-09-08T02:40:41","guid":{"rendered":"https:\/\/boom-cylinders.com\/?post_type=product&p=1371"},"modified":"2026-09-08T03:32:36","modified_gmt":"2026-09-08T03:32:36","slug":"steering-cylinder-hcyy11112007","status":"publish","type":"product","link":"https:\/\/boom-cylinders.com\/el\/product\/steering-cylinder-hcyy11112007\/","title":{"rendered":"Dual-Action Aerial Vehicle Steering Cylinder (100\u00d72 Stroke)"},"content":{"rendered":"
\n
\n

Aerial Work Vehicle Components<\/p>\n

Dual-Action Aerial Vehicle Steering Cylinder<\/h2>\n

Model HCYY11112007 \u00a0|\u00a0 \u03a640\u00d7\u03a625\u00d7100\u00d72 Stroke \u00a0|\u00a0 10 MPa Working Pressure \u00a0|\u00a0 UK Supply & Export<\/p>\n

\u039b\u03ac\u03b2\u03b5\u03c4\u03b5 \u03bc\u03b9\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c6\u03bf\u03c1\u03ac \u2192<\/a><\/p>\n<\/div>\n

\n

\"SteeringAerial work platforms demand steering components that respond instantly, hold position under load, and survive thousands of operating cycles across exposed outdoor environments. The Dual-Action Aerial Vehicle Steering Cylinder (HCYY11112007) is purpose-engineered to meet exactly those demands. With a bore diameter of \u03a640 mm, rod diameter of \u03a625 mm, and a dual 100 mm stroke configuration, it delivers the compact geometry required to integrate cleanly into the tight undercarriage and turntable assemblies of self-propelled boom lifts, scissor platforms, and truck-mounted access units. A rated working pressure of 10 MPa, combined with a maximum withstand pressure of 15 MPa, ensures the cylinder remains stable even when the platform is positioned at full extension in adverse wind conditions \u2014 a scenario that puts significant lateral force through the steering linkage. Manufactured to ISO 6020-2 tolerances, the cylinder body uses precision-honed seamless steel tubing that keeps the bore surface finish within Ra 0.4 \u00b5m, dramatically reducing seal wear and extending service life well beyond 1 million duty cycles. For procurement teams across the UK sourcing reliable hydraulic actuators for fleet maintenance or new-build aerial equipment, this cylinder represents an outstanding combination of engineering precision and competitive total cost of ownership.<\/p>\n

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

Why This Steering Cylinder Stands Out<\/h2>\n
\n
\n
\u2699\ufe0f<\/div>\n

Dual-Action Precision<\/h3>\n

Bi-directional hydraulic force gives operators accurate left\u2013right steering authority without mechanical play, critical on uneven ground or sloped construction sites.<\/p>\n<\/div>\n

\n
\ud83d\udd29<\/div>\n

High-Pressure Tolerance<\/h3>\n

Maximum withstand pressure of 15 MPa \u2014 50% above working pressure \u2014 provides a substantial safety margin for shock loads and pressure spikes encountered on rough terrain platforms.<\/p>\n<\/div>\n

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

Compact & Lightweight<\/h3>\n

At just 7 kg with a 645 mm installation distance, the unit integrates into confined chassis spaces without adding unnecessary mass that would affect platform load ratings.<\/p>\n<\/div>\n

\n
\ud83d\udca7<\/div>\n

Seal System Engineered for UK Climate<\/h3>\n

Polyurethane wiper seals and NBR inner seals cope reliably with the UK’s temperature swings from near-freezing winters to warm summers, preventing ingress of water and debris common on British outdoor worksites.<\/p>\n<\/div>\n

\n
\ud83d\udd2c<\/div>\n

Hard-Chrome Rod Surface<\/h3>\n

The \u03a625 mm piston rod undergoes hard-chrome plating to HRC 58\u201362, delivering corrosion resistance and surface hardness that extend seal life and maintain dimensional accuracy through repeated cycles.<\/p>\n<\/div>\n

\n
\ud83d\udcd0<\/div>\n

Drop-In OEM Replacement<\/h3>\n

Mounting interfaces match common aerial platform OEM specifications, meaning UK maintenance teams can install a replacement cylinder in the field without custom machining or adapter brackets.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

\n

Technical Specifications<\/h2>\n

The table below reproduces the full specification data from the official product datasheet. All figures are factory-verified and apply to the standard HCYY11112007 configuration as shipped.<\/p>\n

\"Steering<\/div>\n
\n\n\n\n\n\n
Cylinder Model<\/th>\nSpecifications<\/th>\nWorking Pressure<\/th>\nMaximum Withstand Pressure<\/th>\nTrip<\/th>\nInstallation Distance<\/th>\nWeight<\/th>\n<\/tr>\n<\/thead>\n
HCYY11112007<\/td>\n\u03a640\u00d7\u03a625\u00d7100\u00d72<\/td>\n10 MPa<\/td>\n15 MPa<\/td>\n100\u00d72<\/td>\n645 mm<\/td>\n7 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n
\n

Bore Diameter<\/p>\n

\u03a640 mm<\/p>\n<\/div>\n

\n

Rod Diameter<\/p>\n

\u03a625 mm<\/p>\n<\/div>\n

\n

Stroke (Dual)<\/p>\n

100\u00d72 mm<\/p>\n<\/div>\n

\n

Working Pressure<\/p>\n

10 MPa<\/p>\n<\/div>\n

\n

Max Withstand<\/p>\n

15 MPa<\/p>\n<\/div>\n

\n

Weight<\/p>\n

7 kg<\/p>\n<\/div>\n<\/div>\n<\/div>\n

\n

How It Works, What It’s Made From, and Where It’s Used<\/h2>\n
\n
\n

Operating Principle<\/h3>\n

Pressurised hydraulic oil enters either the cap-end or rod-end port, pushing the piston along the bore in the desired direction. Because the cylinder is double-acting, both extension and retraction are powered \u2014 eliminating the reliance on spring return or gravity that limits single-acting designs. The dual-stroke architecture (100 mm + 100 mm) allows the geometry to handle the full left-lock to right-lock arc of a typical articulated aerial platform in a single compact package, keeping the turning radius tight and the steering response linear across the full travel range. Internal cushioning at both end positions softens the piston’s arrival, reducing mechanical shock that would otherwise shorten the service life of the mount pins and vehicle chassis brackets.<\/p>\n<\/div>\n

\n

Material Composition<\/h3>\n

The cylinder barrel is drawn from 45# seamless steel tube, cold-drawn and precision-honed to a bore finish of Ra 0.4 \u00b5m. The piston rod is produced from 40Cr alloy steel, turned to h8 tolerance, hard-chrome plated to a minimum 25 \u00b5m depth, and then polished to Ra 0.2 \u00b5m to minimise seal friction. End caps are machined from forged steel and threaded directly to the barrel body, avoiding welded joints that might introduce residual stress. The piston seal package combines a PTFE-backed guide ring with a Hallite-type U-cup that maintains zero-leak performance from -20\u00b0C to +80\u00b0C \u2014 a range comfortably encompassing all conditions encountered on outdoor UK construction and maintenance projects.<\/p>\n<\/div>\n<\/div>\n

Typical Application Scenarios<\/h3>\n
\n\n\n\n\n\n\n\n\n\n
Platform Type<\/th>\n\u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae<\/th>\nKey Benefit<\/th>\n<\/tr>\n<\/thead>\n
Self-Propelled Boom Lifts<\/td>\nFront\/rear axle steering<\/td>\nTight manoeuvre radius in warehouse aisles<\/td>\n<\/tr>\n
Scissor Platforms (4WD)<\/td>\nArticulated steer axle<\/td>\nStable tracking on gradient surfaces<\/td>\n<\/tr>\n
Truck-Mounted Access Units<\/td>\nOutrigger steer cylinder<\/td>\nCompact installation in chassis tunnel<\/td>\n<\/tr>\n
Rail-Road Maintenance Vehicles<\/td>\nBi-directional steering linkage<\/td>\nPrecision control at low speeds<\/td>\n<\/tr>\n
Bridge Inspection Platforms<\/td>\nSide-shift steer arm<\/td>\nHold position under lateral wind load<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
\n

Customer Success Case<\/h2>\n

The following case illustrates how HCYY11112007 performed in a real operational environment.<\/p>\n

\n
CASE STUDY<\/span>
\nManchester, UK | Utilities Sector<\/span><\/div>\n

Fleet Steering Cylinder Replacement \u2014 Northern Grid Infrastructure Contractor<\/h3>\n

A mid-size infrastructure maintenance contractor based in Manchester operates a mixed fleet of 18 self-propelled boom lifts and 6 truck-mounted aerial units used for overhead power line inspection and maintenance across Northern England. The original OEM steering cylinders on their Haulotte and JLG boom lifts had reached end-of-life after roughly four years of continuous outdoor use, exhibiting chronic seal leakage that required frequent hydraulic fluid top-ups and caused position drift during steady-state holds on sloped ground.<\/p>\n

After reviewing supplier quotations from three European sources, the procurement manager selected HCYY11112007 cylinders from Boom Cylinders, drawn by the competitive per-unit price, the 15 MPa withstand pressure margin, and the availability of a detailed test report for each production batch. A trial batch of 12 units was installed across six boom lifts. After 8 months of operation in typical Northern England weather conditions \u2014 repeated rain, mud ingress, and temperature variation \u2014 none of the replacement cylinders had required seal replacement or showed measurable oil weepage at the port fittings.<\/p>\n

\n

Result<\/p>\n

Unscheduled hydraulic maintenance incidents reduced by approximately 70% across the trial fleet. The contractor has since placed an annual standing order covering full fleet cylinder replacement cycles.<\/p>\n

\"Steering<\/p>\n<\/div>\n<\/div>\n

What Our Clients Say<\/h3>\n
\n
\n

“<\/p>\n

We fitted these steering cylinders to our entire scissor platform fleet operating on construction sites around Birmingham. Eighteen months later, not a single leak. The build quality is noticeably better than what we were sourcing from the previous supplier at a higher price point.<\/p>\n

\u2014 James H., Fleet Maintenance Manager<\/p>\n

Plant Hire Company, West Midlands, UK<\/p>\n<\/div>\n

\n

“<\/p>\n

We were sceptical about switching suppliers mid-contract, but the technical data sheets and pressure test certificates gave us the confidence to proceed. The cylinder dimensions were spot-on for our Genie units and the installation took less than an hour per machine.<\/p>\n

\u2014 Rachel T., Procurement Lead<\/p>\n

Utilities Contractor, Yorkshire, UK<\/p>\n<\/div>\n

\n

“<\/p>\n

Ordered 20 units for a bridge inspection project in Scotland. Delivery was within the quoted lead time, packaging was solid, and each cylinder came with its own test documentation. Our engineers were impressed with the consistency across the batch \u2014 every unit measured within tolerance.<\/p>\n

\u2014 Duncan M., Site Equipment Coordinator<\/p>\n

Civil Engineering Contractor, Glasgow, UK<\/p>\n<\/div>\n<\/div>\n<\/div>\n

\n

Related Hydraulic Cylinders<\/h2>\n

Working on other hydraulic applications alongside your aerial platform project? These specialist cylinders from our product range are engineered for similarly demanding B2B applications.<\/p>\n

\n

 <\/p>\n

Telescopic Cylinder<\/p>\n

\u03a4\u03b7\u03bb\u03b5\u03c3\u03ba\u03bf\u03c0\u03b9\u03ba\u03cc\u03c2 \u03ba\u03cd\u03bb\u03b9\u03bd\u03b4\u03c1\u03bf\u03c2 \u03b1\u03bd\u03c5\u03c8\u03c9\u03c4\u03b9\u03ba\u03bf\u03cd \u03bf\u03c7\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03bc\u03b5 \u03b3\u03ac\u03bd\u03c4\u03b6\u03bf \u2014 \u03a6100mm, \u03b4\u03cd\u03bf \u03c3\u03c4\u03b1\u03b4\u03af\u03c9\u03bd<\/h4>\n

Two-stage telescopic design for hook-lift truck body tipping systems. Delivers high force output at moderate operating pressure, ideal for municipal waste and logistics vehicles throughout the UK.<\/p>\n

\u0394\u03b5\u03af\u03c4\u03b5 \u03c4\u03bf \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd \u2192<\/span><\/a><\/p>\n

 <\/p>\n

Forklift Cylinder<\/p>\n

Forklift Attachment Cylinder \u2014 \u03a670mm, 250mm Stroke<\/h4>\n

Compact cylinder engineered for forklift side-shift and rotating attachment systems. The 250 mm stroke and \u03a670 mm bore deliver responsive actuation in the tight space constraints of attachment mounting frames.<\/p>\n

\u0394\u03b5\u03af\u03c4\u03b5 \u03c4\u03bf \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd \u2192<\/span><\/a><\/p>\n<\/div>\n

\"Full<\/div>\n<\/div>\n
\n

Manufacturing Capability & Custom Cylinder Service<\/h2>\n

Our production facility operates a dedicated hydraulic cylinder manufacturing line equipped with CNC deep-hole boring machines, automated honing lines, and CMM quality inspection stations. Standard lead times run 15\u201325 working days for catalogue products. Beyond the standard range, our engineering team provides a full custom cylinder design and fabrication service \u2014 a capability that has made us the preferred long-term supplier for several UK aerial platform OEMs and specialist vehicle converters.<\/p>\n

\n
\n

Custom Bore Range<\/p>\n

\u03a620 \u2013 \u03a6320 mm<\/p>\n<\/div>\n

\n

Max Stroke Length<\/p>\n

Up to 6,000 mm<\/p>\n<\/div>\n

\n

Max Working Pressure<\/p>\n

Up to 35 MPa<\/p>\n<\/div>\n

\n

Surface Treatments<\/p>\n

Chrome \/ Nickel \/ Zinc<\/p>\n<\/div>\n

\n

Mounting Options<\/p>\n

Clevis \/ Flange \/ Foot<\/p>\n<\/div>\n

\n

Annual Production<\/p>\n

200,000+ units<\/p>\n<\/div>\n<\/div>\n

Whether you need a modified version of HCYY11112007 with a different port size for a specific valve block, or an entirely new double-acting cylinder specified around your platform’s hydraulic system pressure and flow characteristics, our engineers will provide a feasibility assessment and draft drawing within 5 working days of receiving your technical brief. We regularly work to drawings provided by UK clients and can arrange third-party witness inspection at the factory if required by your quality management system.<\/p>\n

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

\n

\u03a3\u03c5\u03c7\u03bd\u03ad\u03c2 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2<\/h2>\n
\n
\n
\n

What is the price of a dual-action aerial vehicle steering cylinder for UK buyers, and can I get a supplier quote for bulk orders?<\/p>\n<\/div>\n

\n

Pricing for the HCYY11112007 depends on order quantity and any customisation requirements. UK buyers can request a detailed quotation by emailing sales@boom-cylinders.com<\/a> with their required quantity, delivery address, and any specification changes. Volume discounts are available for orders of 10 units or more.<\/p>\n<\/div>\n<\/div>\n

\n
\n

Which hydraulic cylinder model is compatible with Haulotte and JLG boom lifts for steering system replacement in the UK?<\/p>\n<\/div>\n

\n

The HCYY11112007 steering cylinder \u2014 bore \u03a640 mm, rod \u03a625 mm, dual 100 mm stroke, installation distance 645 mm \u2014 is dimensionally compatible with the steering axle of several Haulotte HA and JLG 400S\/450AJ models. We recommend sharing your platform’s cylinder pin centres and port sizes so our engineers can confirm fit before you order.<\/p>\n<\/div>\n<\/div>\n

\n
\n

How long does it take to ship a steering cylinder order from your factory to a construction site in England or Scotland?<\/p>\n<\/div>\n

\n

Standard in-stock units typically dispatch within 3\u20135 working days. Shipping to mainland UK destinations (England, Scotland, Wales) via air freight or sea courier usually arrives within 10\u201318 working days from dispatch. Urgent orders can be expedited \u2014 contact sales@boom-cylinders.com<\/a> to discuss lead times.<\/p>\n<\/div>\n<\/div>\n

\n
\n

What is the maximum working pressure of the HCYY11112007 steering cylinder, and is it suitable for high-pressure hydraulic circuits on rough-terrain platforms?<\/p>\n<\/div>\n

\n

The cylinder is rated at 10 MPa working pressure with a maximum withstand pressure of 15 MPa. This provides a 50% pressure safety margin that accommodates pressure spikes generated by rough-terrain platforms operating on uneven ground. For circuits running above 12 MPa continuously, we recommend contacting our engineers to specify a higher-rated alternative.<\/p>\n<\/div>\n<\/div>\n

\n
\n

Where can I find a reliable aerial platform hydraulic cylinder supplier in the UK that offers both standard and custom cylinder options?<\/p>\n<\/div>\n

\n

Boom Cylinders supplies standard and custom hydraulic cylinders to UK aerial platform operators, plant hire companies, and OEM builders. Our custom service covers bore sizes from \u03a620 mm to \u03a6320 mm with strokes up to 6,000 mm. Contact sales@boom-cylinders.com<\/a> for a custom quotation or to discuss OEM supply arrangements.<\/p>\n<\/div>\n<\/div>\n

\n
\n

When should a dual-action steering cylinder be replaced on a self-propelled boom lift, and what are the warning signs to look for?<\/p>\n<\/div>\n

\n

Typical indicators of steering cylinder wear include visible oil seepage around the rod seal, increased steering dead-band or spongy response, position drift when the platform is stationary on a slope, and unusual noise during actuation. Most cylinders reach end-of-life after 4\u20136 years of regular outdoor use. Immediate replacement is recommended if active oil leakage is observed, as this is a safety and environmental compliance issue under UK PUWER regulations.<\/p>\n<\/div>\n<\/div>\n

\n
\n

How do I know which steering cylinder specifications I need when sourcing a replacement for my aerial work platform fleet?<\/p>\n<\/div>\n

\n

You will need the bore diameter, rod diameter, stroke length, installation distance (pin-to-pin extended), port thread type, and working pressure of your original cylinder. These are usually stamped on the barrel or listed in the platform’s service manual. Send this information to sales@boom-cylinders.com<\/a> and our engineers will match or cross-reference the correct replacement.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

\n

Ready to Source Steering Cylinders for Your UK Fleet?<\/h2>\n

Get in touch with our team for pricing, technical support, or a custom cylinder quotation. We respond to all UK enquiries within one business day.<\/p>\n

Get a Quote \u2192 sales@boom-cylinders.com<\/a><\/p>\n

Boom Cylinders \u2014 Precision Hydraulic Cylinders for Aerial Work Vehicles | Supplying UK Industry<\/p>\n<\/div>\n<\/article>\n

\u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03b1\u03c0\u03cc gzl<\/p>","protected":false},"excerpt":{"rendered":"

Dual-action aerial vehicle steering cylinder HCYY11112007 \u2014 \u03a640\u00d7\u03a625\u00d7100\u00d72, 10 MPa working pressure, 15 MPa max. Compact, lightweight & UK-ready. Custom hydraulic cylinders for boom lifts and scissor platforms. Quote: sales@boom-cylinders.com<\/a><\/p>","protected":false},"featured_media":1374,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[1080],"product_tag":[],"class_list":["post-1371","product","type-product","status-publish","has-post-thumbnail","product_cat-cylinder-series-for-aerial-work-vehicle","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/boom-cylinders.com\/el\/wp-json\/wp\/v2\/product\/1371","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/boom-cylinders.com\/el\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/boom-cylinders.com\/el\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/boom-cylinders.com\/el\/wp-json\/wp\/v2\/comments?post=1371"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/boom-cylinders.com\/el\/wp-json\/wp\/v2\/media\/1374"}],"wp:attachment":[{"href":"https:\/\/boom-cylinders.com\/el\/wp-json\/wp\/v2\/media?parent=1371"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/boom-cylinders.com\/el\/wp-json\/wp\/v2\/product_brand?post=1371"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/boom-cylinders.com\/el\/wp-json\/wp\/v2\/product_cat?post=1371"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/boom-cylinders.com\/el\/wp-json\/wp\/v2\/product_tag?post=1371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}