<\/p>\n
HCYY11112004 Aerial Work Vehicle Steering Hydraulic Cylinder<\/h2>\n
The HCYY11112004 is a precision aerial work vehicle steering hydraulic cylinder designed to provide reliable directional control for self-propelled boom lifts, articulating aerial platforms, and mobile elevating work platforms (MEWP). The steering cylinder is the primary actuator connecting the hydraulic steering circuit to the front or rear axle steering linkage, translating hydraulic force into precise wheel angle changes that guide the machine across job site terrain.<\/p>\n
Aerial work vehicles require steering systems that deliver consistent, responsive control across low-speed maneuvers in confined spaces as well as transport-speed steering on flat surfaces. The HCYY11112004 is engineered with tight bore-to-rod concentricity, a robust rod guide bearing, and a sealing system that prevents hydraulic fluid bypass under the lateral side loads inherent in vehicle steering applications.<\/p>\n
For aerial equipment manufacturers and procurement teams sourcing steering cylinders for new production or spare parts inventory, the HCYY11112004 is available with full OEM technical documentation, including dimensional drawings and pressure test reports. Custom dimensions and mounting configurations are supported for platform-specific steering geometry requirements.<\/p>\n<\/div>\n
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![\"HCYY11112004](\"https:\/\/ever-powers.com\/wp-content\/uploads\/2026\/09\/aerial-work-platform-hydraulic-cylinder.webp\" "\\"\\"")
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Hydraulic cylinder installation positions on aerial work platforms, including lifting cylinder, boom luffing cylinder, telescopic cylinder, leveling cylinder and steering cylinder.<\/p>\n<\/div>\n
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Installation Position and Function<\/h2>\n
The HCYY11112004 steering hydraulic cylinder is installed horizontally between the chassis frame and the steering knuckle or tie rod of the driven axle. On most boom lift and articulating aerial platform designs, this cylinder connects the steering valve output to the front axle wheel pivot, with the rod end attached to the steering link and the cap end anchored to the axle housing or frame crossmember.<\/p>\n
When the operator turns the steering wheel or activates the joystick steering input, the hydraulic steering valve directs pressurized oil to one side of the cylinder. The piston rod extends or retracts to push or pull the steering linkage, rotating the wheel spindle to change the vehicle direction. The opposing chamber vents back to the reservoir through the return port of the steering valve.<\/p>\n
The steering cylinder is under constant side-load stress from the weight of the wheel and tire assembly, tire scrub forces during turning, and ground reaction forces when the machine traverses uneven surfaces. The HCYY11112004 is designed with a reinforced rod guide bearing and chrome-plated rod to maintain concentricity and prevent accelerated seal wear under these combined loading conditions. Precise control response from this cylinder is directly linked to operator safety, particularly during boom-extended maneuvers where platform stability margins are reduced.<\/p>\n<\/div>\n
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Key Features<\/h2>\n\n- Precision steering response for confined-space aerial platform maneuverability<\/li>\n
- Reinforced rod guide bearing to handle side loads from steering linkage geometry<\/li>\n
- Tight bore-rod concentricity for consistent hydraulic seal performance<\/li>\n
- Hard chrome piston rod for corrosion and abrasion resistance<\/li>\n
- Multi-lip wiper seal system to exclude job site contamination<\/li>\n
- Compact installation envelope suitable for axle-mounted steering geometry<\/li>\n
- Compatible with standard hydraulic steering valve flow and pressure ratings<\/li>\n
- OEM customization of stroke, clevis dimensions, and port orientation<\/li>\n<\/ul>\n<\/div>\n
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\nTechnical Specifications<\/h2>\n
![\"HCYY11112004](\"https:\/\/ever-powers.com\/wp-content\/uploads\/2026\/09\/HCYY11112004-parameter-1.webp\" "\\"\\"")
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\n\n\n\nParameter<\/th>\n Value<\/th>\n<\/tr>\n<\/thead>\n \n\nModel<\/td>\n HCYY11112004<\/td>\n<\/tr>\n \nCylinder Bore<\/td>\n 63 mm<\/td>\n<\/tr>\n \nRod Diameter<\/td>\n 45 mm<\/td>\n<\/tr>\n \nStroke<\/td>\n 185 mm<\/td>\n<\/tr>\n \nWorking Pressure<\/td>\n 16 MPa<\/td>\n<\/tr>\n \nMaximum Pressure<\/td>\n 24 MPa<\/td>\n<\/tr>\n \nInstallation Distance<\/td>\n 430 mm<\/td>\n<\/tr>\n \nGewicht<\/td>\n 8 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/p>\n
\nEngineering Design Advantages<\/h2>\nHydraulic Performance<\/h3>\n
The 63 mm bore provides the hydraulic force area required to overcome steering resistance from the machine weight on the steered axle and the tire scrub forces during low-speed turning. At 16 MPa working pressure, the cylinder generates adequate steering force to handle the loaded axle weight of typical 12-to-18 meter class boom lifts without requiring oversized hydraulic flow rates that would slow steering response. The 185 mm stroke covers the full angular range of standard aerial platform front axle steering geometry.<\/p>\n
Structural Strength<\/h3>\n
Steering cylinders experience significant bending moments at the rod and clevis joints from the offset angle between the cylinder centerline and the steering load direction. The 45 mm rod diameter provides adequate cross-sectional area to resist these bending loads without deflection that would bind the rod guide bearing. The rod material is selected for yield strength and fatigue resistance under the cyclical loading pattern of continuous steering corrections typical in aerial platform job site operations.<\/p>\n
Sealing Reliability<\/h3>\n
The rod seal assembly uses a two-stage design: a primary high-pressure lip seal backed by a low-friction anti-extrusion ring, and a secondary wiper seal to remove particulate and moisture from the rod surface before it re-enters the cylinder. This two-stage approach is particularly important for steering cylinders, which are typically mounted close to the ground and exposed to road grime, construction site mud, and water splash during machine travel.<\/p>\n
Oppervlaktebehandeling<\/h3>\n
The piston rod is finished with hard chrome plating to a minimum depth that protects against abrasion from rod seal contact and incidental surface impact. The cylinder tube exterior receives a corrosion-resistant primer and topcoat, with the port thread area protected by thread plugs during transportation and storage. For salt-spray resistant applications such as coastal construction sites, stainless steel rod options are available on request.<\/p>\n
Durability<\/h3>\n
The compact 8 kg weight of the HCYY11112004 reflects a design that prioritizes material efficiency without sacrificing structural integrity. The short 185 mm stroke and 430 mm installation distance make this cylinder well-suited for the restricted axle envelope typical of compact and mid-size boom lifts. Each production cylinder is hydrostatic pressure tested at 1.5 times the maximum working pressure before delivery.<\/p>\n<\/div>\n
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\nToepassingen<\/h2>\n
The HCYY11112004 steering hydraulic cylinder is designed for the following aerial work vehicle types:<\/p>\n
\n- Articulating Boom Lift:<\/strong> Front and rear axle steering for confined-space maneuverability<\/li>\n
- Telescopic Boom Lift:<\/strong> Steering axle control for job site travel and positioning<\/li>\n
- Self-Propelled MEWP:<\/strong> Drive axle steering for all-terrain self-propelled platforms<\/li>\n
- Truck Mounted Aerial Platform:<\/strong> Auxiliary steering systems for multi-axle truck-mounted units<\/li>\n
- Scissor Lift (drive models):<\/strong> Front wheel steering on self-propelled rough-terrain scissor platforms<\/li>\n<\/ul>\n<\/div>\n
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\nOEM Hydraulic Cylinder Manufacturing Capability<\/h2>\n
Steering cylinder geometry is specific to each aerial platform model, driven by axle design, tire size, and turning radius requirements. Our OEM capability for the HCYY11112004 series includes:<\/p>\n
\n- Custom Dimensions:<\/strong> Bore, stroke, rod diameter, and clevis dimensions tailored to steering linkage geometry<\/li>\n
- Drawing Approval:<\/strong> 2D assembly drawings with all mounting, port, and pin hole dimensions for engineering sign-off<\/li>\n
- Prototype Development:<\/strong> First-article sample production for fit, function, and steering angle verification<\/li>\n
- Sample Production:<\/strong> Pre-series sample batches for durability and endurance testing on actual platform chassis<\/li>\n
- Mass Production:<\/strong> Consistent serial production with part numbering, traceability, and delivery scheduling<\/li>\n
- Quality Inspection:<\/strong> Hydrostatic pressure test, dimensional inspection, surface finish verification for each unit<\/li>\n<\/ul>\n<\/div>\n
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\nVeelgestelde vragen<\/h2>\n\nHow do I know if the HCYY11112004 will fit my aerial platform steering axle?<\/h3>\n
The critical dimensions for steering cylinder replacement are the installation distance (center-to-center pin length in fully retracted position), stroke, pin hole diameters at both ends, and port thread size. If you can provide these measurements from your existing cylinder or from the platform service manual, our engineering team will confirm compatibility or identify the correct equivalent.<\/p>\n<\/div>\n
\nCan the steering cylinder stroke be customized for a different axle geometry?<\/h3>\n
Yes. The stroke of the steering cylinder directly determines the maximum wheel turning angle. If your platform design requires a larger or smaller turning angle than the standard HCYY11112004 provides, we can produce the cylinder to your required stroke dimension. We recommend providing the steering geometry diagram or Ackermann calculation data for our engineers to verify the required stroke before manufacturing.<\/p>\n<\/div>\n
\nWhat hydraulic fluid types are compatible with the standard seal package?<\/h3>\n
The standard seal material is compatible with mineral-based hydraulic oil (ISO VG 46 and ISO VG 68) and most synthetic hydraulic fluids. For applications using fire-resistant hydraulic fluid or biodegradable ester-based fluid, we offer alternative seal compounds upon request. Please specify the fluid type at the time of ordering to ensure the correct seal selection is supplied.<\/p>\n<\/div>\n
\nWhat is the lead time for a steering cylinder sample order?<\/h3>\n
Sample cylinders for the HCYY11112004 series are typically delivered within 15 to 25 working days after engineering drawing approval. If the standard specification matches your requirement directly, sample lead time can be shortened. Production order lead times depend on batch quantity and are confirmed during quotation.<\/p>\n<\/div>\n
\nDo you supply steering cylinders in pairs for dual-axle steering systems?<\/h3>\n
Yes. Many all-terrain boom lifts and rough-terrain MEWPs use four-wheel steering systems with cylinders on both front and rear axles. We supply matched pairs and four-cylinder sets with consistent bore, stroke, and sealing to ensure equal steering response on both axles. Please indicate your vehicle steering configuration (front-only, rear-only, or four-wheel) when requesting a quotation.<\/p>\n<\/div>\n<\/div>\n
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\nRequest a Quote for HCYY11112004 Aerial Work Vehicle Steering Hydraulic Cylinder<\/p>\n
Contact us for OEM hydraulic cylinder quotation, technical drawings and bulk purchasing solutions. Our engineering team responds within 24 hours with dimensional drawings and pricing.<\/p>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"
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Technical Specifications<\/h2>\n
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| Parameter<\/th>\n | Value<\/th>\n<\/tr>\n<\/thead>\n |
|---|---|
| Model<\/td>\n | HCYY11112004<\/td>\n<\/tr>\n |
| Cylinder Bore<\/td>\n | 63 mm<\/td>\n<\/tr>\n |
| Rod Diameter<\/td>\n | 45 mm<\/td>\n<\/tr>\n |
| Stroke<\/td>\n | 185 mm<\/td>\n<\/tr>\n |
| Working Pressure<\/td>\n | 16 MPa<\/td>\n<\/tr>\n |
| Maximum Pressure<\/td>\n | 24 MPa<\/td>\n<\/tr>\n |
| Installation Distance<\/td>\n | 430 mm<\/td>\n<\/tr>\n |
| Gewicht<\/td>\n | 8 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n <\/p>\n \n Engineering Design Advantages<\/h2>\n |