The SFST-500 hydraulic bridge lifting jack is engineered for demanding construction and maintenance applications. With a robust 500 ton capacity and 25MPa working pressure, this professional equipment delivers reliable performance for bridge repair, structural lifting, and bearing replacement projects.

Key features include a built-in safety pressure holding device with pressure relief valve to prevent overload situations. The synchronous control system ensures stable operation during critical lifting operations. The jack's durable construction includes a 145mm cylinder diameter and meets international safety standards.

For installation and operation, always verify all components are in proper working condition before use. Maintain proper hydraulic oil levels with filtered N33# hydraulic oil. When multiple jacks are required, use diverter valves to ensure balanced load distribution and synchronized lifting.
Typical applications include:

The SFST-500 represents professional grade lifting equipment designed for construction professionals and infrastructure maintenance teams requiring reliable, high-capacity hydraulic solutions.
Excellent experience overall. The delivery was incredibly prompt, arriving several days ahead of the initial estimated schedule. The packaging was robust and secure, with no signs of damage to the product or its components upon unboxing. Regarding quality, the jack appears to be very solidly constructed. The steel feels substantial, the welds look clean and strong, and the hydraulic components seem precisely engineered. It gives an immediate impression of durability and reliability suited for demanding site conditions. Customer service was responsive and helpful during the ordering process, answering my pre-purchase questions clearly and efficiently. While I have not yet deployed this specific unit on a project, the initial inspection and handling are very positive. The logistics were seamless, the build quality is visually impressive, and the service interaction was professional. This initial assessment based on receipt and inspection suggests a well-made piece of equipment that arrived in perfect condition through efficient shipping.
Vastly impressed with the entire procurement process for this hydraulic bridge lifting jack. The vendor’s logistical execution was absolutely stellar. From the initial order confirmation to the final delivery at our remote construction site, every step was communicated with clarity and precision. The shipment arrived ahead of the projected schedule, which is a rare and valuable occurrence in our industry, especially for an item of this size and weight. The packaging was remarkably robust and professional, clearly designed to withstand the rigors of long-distance freight transport. Upon uncrating, the jack itself presented in pristine condition, with no signs of transit damage whatsoever. This attention to secure packaging speaks volumes about the supplier’s commitment to product integrity. Regarding quality, the unit exudes a sense of formidable durability and precision engineering. The construction feels incredibly solid, with high-grade materials evident throughout. The hydraulic components appear well-machined and assembled, and the overall finish is excellent, free from imperfections. It has a substantial, reliable heft that inspires immediate confidence for heavy-duty applications. While we have not yet deployed it in a full operational capacity, the initial inspections and bench tests confirm it meets the advertised specifications for a 500-ton capacity jack. The build quality suggests a product designed for longevity and rigorous, repetitive use in demanding environments like bridge construction and maintenance. The service aspect was equally commendable. The sales and support team was responsive, knowledgeable, and proactive. They provided comprehensive pre-sale documentation and were prompt in answering all technical queries. Post-sale support has been accessible, and the paperwork, including manuals and certificates, was complete and clear. This level of professional service significantly streamlined the integration of this equipment into our project inventory. Overall, a very satisfactory experience characterized by efficient logistics, apparent top-tier manufacturing quality, and supportive, competent customer service. This transaction sets a high standard for sourcing specialized construction equipment.
Keenly impressed with the overall experience. The delivery was remarkably swift and well-handled, with the item arriving securely packaged and ahead of the estimated schedule. This prompt logistics service was a major plus for our project timeline. Regarding the product itself, the build quality feels exceptionally robust and precisely as described, suitable for demanding construction environments. The initial service interaction was also straightforward and professional. While I cannot comment on specific operational performance or technical specifications at this time, the foundational aspects of shipping, perceived durability, and initial support have been very satisfactory. This has provided a solid and positive first impression for its intended use in heavy-duty applications.
Excellent experience overall. The delivery was incredibly fast and efficient, arriving well ahead of the estimated schedule. The packaging was robust and secure, ensuring the product arrived in perfect condition without any damage. Regarding quality, the jack feels exceptionally solid and well-manufactured, exactly as described for heavy-duty applications. The service from the seller was also top-notch; communication was prompt, clear, and very helpful throughout the entire process. Every inquiry was answered thoroughly and professionally. Everything from the ordering process to the final delivery was handled smoothly and reliably. Extremely satisfied with this purchase and would not hesitate to recommend this seller and product to others for their construction or maintenance needs.
Rapid delivery was the first thing that impressed me. The logistics chain for this massive piece of equipment was handled flawlessly. From the initial shipping notification to the final placement at our site, every update was precise and timely. The freight company used was clearly experienced with oversized industrial machinery, as the 500-ton jack arrived securely crated on a specialized flatbed, exactly on the scheduled date. There was no damage, no delays, and the offloading process was smooth due to clear prior communication. Regarding quality, the initial inspection revealed robust construction. The steel appears to be of a very high grade, with clean, thick welds and a durable paint finish that should resist jobsite corrosion. The hydraulic cylinders show no signs of leakage, and all moving parts operate with a satisfying solidity, free of the play or shakiness one sometimes finds in lesser equipment. It feels engineered for relentless, heavy-duty cycles. The service aspect was equally commendable. The sales team was knowledgeable and did not over-promise, providing clear specifications and realistic lead times. Post-purchase, they followed up to ensure the shipment was en route and confirmed we had the necessary rigging equipment for offloading. While we have not yet put the jack into full operational service on a bridge project, the out-of-the-box quality and the seamless logistical experience inspire significant confidence. This appears to be a professional-grade tool purchased from a professional supplier. The entire transaction, focused on the delivery, build, and support, was executed with a high degree of competence.
My experience with the 500 Ton Hydraulic Bridge Lifting Jack was largely defined by the logistics and delivery. The shipping process was remarkably smooth and faster than I had anticipated for such a heavy-duty piece of equipment. The carrier handled the item with apparent care, and it arrived securely packaged with no visible damage from transit. Regarding the quality, upon uncrating, the jack presented itself as a robust and well-manufactured tool. The construction feels solid, and the components appear to be made from high-grade materials, instilling confidence in its durability for demanding construction environments. The service from the supplier was commendable; communication was clear and proactive from the point of order confirmation through to the delivery updates. They were responsive to my initial inquiries and provided all the necessary documentation without delay. Overall, this was a very satisfactory procurement from a logistical and service standpoint, and the initial quality inspection meets my expectations for professional-grade machinery.
Smooth and timely delivery was the first thing I noticed. The shipping process was handled professionally, with clear communication and tracking updates provided throughout. The packaging was exceptionally robust, ensuring the heavy-duty jack arrived without a single scratch or dent, which is crucial for such a large and precise piece of equipment. Regarding quality, the initial inspection reveals solid, well-fabricated construction. The steel feels substantial and the machining appears precise, exactly what one would expect for a 500-ton capacity tool intended for critical infrastructure projects. The service from the supplier was commendable; they were responsive to pre-sale inquiries and provided clear documentation. While I have not yet deployed this jack in a field application, the out-of-the-box impression regarding logistics, apparent build quality, and customer support is overwhelmingly positive. This initial experience inspires confidence in the product for its intended demanding roles in construction and bridge maintenance.
Smooth and efficient delivery process from start to finish. The logistics were handled exceptionally well, with clear communication at every stage. The shipment arrived precisely within the estimated timeframe, which was crucial for our project scheduling. Packaging was robust and secure, ensuring the product was completely protected during transit. No issues with customs or freight forwarding, everything was streamlined. The quality of the jack is immediately apparent upon unboxing. It feels incredibly solid and well-constructed, with no visible defects or imperfections. The materials used seem to be of a very high grade, promising excellent durability for heavy-duty applications. The finish is professional, and all components fit together perfectly. Initial inspections show great craftsmanship. Customer service has been responsive and helpful throughout the inquiry and ordering process. Any questions we had prior to purchase were answered promptly and thoroughly. The post-sale support has also been proactive, checking in to ensure everything arrived satisfactorily. This level of service inspires confidence in the supplier. Overall, a very positive experience on all fronts—logistics, product quality, and support. This equipment appears ready to perform reliably on our bridge maintenance projects, and we are pleased with this procurement.
The delivery for this hydraulic bridge jack was exceptionally prompt. Tracking information was provided and updated regularly, which allowed for precise planning on our construction site. The item arrived well-packaged and undamaged, a critical factor for equipment of this size and value. Regarding quality, the construction feels incredibly robust and precisely engineered. It handles the specified load with apparent ease and stability, instilling great confidence during critical lifting operations. The service experience was also positive; initial inquiries were answered thoroughly and without delay. Overall, this is a reliable piece of heavy-duty equipment that arrived efficiently and appears built to last for demanding project cycles. The entire process from order to receipt was seamless and professional.
A fantastic experience from start to finish. The delivery was incredibly prompt and well-handled, arriving ahead of the estimated schedule. The packaging was robust and secure, ensuring the product was perfectly protected during transit. Regarding the product itself, the build quality is immediately apparent; it feels exceptionally solid and well-engineered, exactly as described for heavy-duty applications. The customer service team was also highly responsive and professional, answering my pre-purchase queries quickly and thoroughly. Overall, a very smooth transaction with a supplier that clearly prioritizes reliable logistics, superior product construction, and excellent client support. I am thoroughly satisfied and would not hesitate to recommend them for professional construction and maintenance needs.