Sany Cover-Swing Frame

The Sany Cover-Swing Frame is a comprehensive protective enclosure and structural support system that shields the swing mechanism and internal components of Sany heavy truck cranes, all‑terrain cranes, and large construction equipment from environmental contaminants and mechanical impacts.

This Sany Cover-Swing Frame integrates a complete set of closing plates, front and rear brackets, a footstep, a platform bracket, lamp brackets, and a full complement of high‑strength fasteners into a single, factory‑matched assembly. When you need authentic replacement components, trust Sany Parts to deliver factory-original quality and precise fitment.

The Sany Cover-Swing Frame is specifically designed for Sany STC‑series and SAC‑series cranes, providing robust protection for the swing gearbox, slewing bearing, and hydraulic components while also serving as an access platform and lighting support structure for enhanced operational safety and maintenance accessibility.

Sany Cover-Swing Frame — OEM protective cover and support assembly for Sany heavy truck cranes and all‑terrain cranes

What is the Sany Cover-Swing Frame?

The Sany Cover-Swing Frame is a complete OEM protective enclosure and structural support system that surrounds and safeguards the swing mechanism, slewing bearing, and hydraulic components on Sany heavy lifting equipment. This assembly prevents debris, water, and contaminants from entering critical rotating and power transmission areas, extending component life and ensuring reliable operation.

The Sany Cover-Swing Frame comprises 22 precision‑engineered components that function as an integrated protection and access system. Three closing plate subassemblies (tread side, rear left, rear right) form the main protective shields around the swing table. Front and rear brackets provide mounting points for additional components, while a footstep offers a convenient access step for operators and maintenance personnel.

The Sany Cover-Swing Frame includes a weld subassembly for the platform bracket, a front upper cover plate, and a lamp bracket that supports working lights for improved nighttime visibility. A complete set of hardened washers, nuts, and bolts ensures secure, vibration‑resistant attachment of all panels to the swing table structure, maintaining proper alignment even under severe crane operation.

The Sany Cover-Swing Frame is a direct replacement for worn or damaged protective covers on Sany STC‑series and SAC‑series cranes. By using this genuine assembly, you ensure that all panel cutouts and mounting hole patterns match the swing table geometry, eliminating modification and ensuring a precise fit that maintains the crane’s original appearance and protective integrity.

Product Parameters of Sany Cover-Swing Frame

Technical specifications: The Sany Cover-Swing Frame is fabricated from high‑strength steel plate with precision‑formed panels that match the contour of the swing table. The closing plate subassemblies are manufactured with 3‑5 mm thick steel, zinc‑nickel coated for 500+ hours of salt spray resistance, providing exceptional corrosion protection in harsh mining and construction environments.

The fastening system includes multiple property class 10.9 bolts and hardened nuts, ensuring vibration‑resistant attachment of all panels. The footstep (10764978) is designed with a slip‑resistant surface to provide safe access for operators and maintenance personnel. The lamp bracket (10781032) supports standard 24V LED work lights for improved nighttime visibility.

All components of the Sany Cover-Swing Frame are manufactured under ISO 9001:2025 certification and are 100% traceable to original production batches. The assembly has been validated on Sany STC and SAC series cranes operating globally, demonstrating a field service life exceeding 10,000 operating hours under heavy‑duty lifting conditions when properly maintained.

Why Choose Our Sany Cover-Swing Frame?

Complete 22‑Component OEM Kit — Perfectly Matched Panels and Hardware: The Sany Cover-Swing Frame includes every closing plate, bracket, footstep, and fastener as a single, factory‑matched assembly. This eliminates compatibility problems that arise from sourcing individual panels or hardware from different suppliers, ensuring that all mounting holes align perfectly and that the cover fits flush against the swing table structure.

Superior Corrosion Protection with Zinc‑Nickel Coating: All steel panels and fasteners in the Sany Cover-Swing Frame are coated with a zinc‑nickel plating that provides 500+ hours of salt spray resistance. This protection is critical for mining and construction environments where chassis components are constantly exposed to road salts, chemicals, and moisture. The coating prevents rust propagation and maintains the structural integrity of the cover system.

Integrated Access and Safety Features: The Sany Cover-Swing Frame includes a sturdy footstep (10764978) with a slip‑resistant surface, providing safe access to the swing table area for routine maintenance. The lamp bracket (10781032) allows for easy installation of work lights, improving visibility during nighttime operations and enhancing operator safety. The platform bracket weld subassembly ensures a stable mounting point for auxiliary equipment.

Fleet‑Proven Reliability and Comprehensive Warranty: The Sany Cover-Swing Frame is standard equipment on Sany STC‑series and SAC‑series cranes in over 100 countries. Fleet data shows that genuine Sany cover assemblies deliver an average service life exceeding 10,000 hours—three times longer than generic aftermarket assemblies—while eliminating panel loosening and corrosion failures. The assembly is backed by a 24‑month manufacturer’s warranty covering panel cracking, fastener breakage, and coating failure. Volume pricing, consignment stock, and global technical support are available for large fleets.

What are the Routine Maintenance Considerations for the Sany Cover-Swing Frame?

Daily visual inspection before operation: Before each shift, inspect the Sany Cover-Swing Frame for visible damage to any panel, including dents, cracks, or missing fasteners. Check that all closing plates (tread side, rear left, rear right) are securely attached and that no fasteners have backed out. Verify that the footstep is firmly mounted and free of cracks or deformation. Inspect the lamp bracket for damage and ensure the work light is still securely attached.

Cleaning and corrosion prevention — monthly or as needed: Clean all external surfaces of the Sany Cover-Swing Frame using mild soap and water to remove mud, debris, and chemical deposits. Pay attention to the areas around panel edges and fastener heads, where corrosion may begin. After washing, dry the panels thoroughly and apply a light coat of rust inhibitor to any areas where the coating has been scratched. Never use pressure washers directly on panel edges, as water pressure can lift the coating.

Fastener torque inspection — every 500 operating hours: Using a calibrated torque wrench, verify the torque of all bolts (A210111000018, A210111000100, A210111000089, A210111000090) and nuts (A210307000017, A210307000040, A210307000012) to the manufacturer specification (typically 25‑30 Nm for M8, 45‑55 Nm for M10). Mark fastener heads after torquing for quick visual verification. If any fastener is loose, replace it with a new one—reusing a loose fastener may result in thread stripping.

Preventative replacement schedule — every 4,000 hours or 2 years: For high‑use cranes, Sany recommends a full replacement of the Sany Cover-Swing Frame every 4,000 operating hours or 2 years. Replace all closing plates, brackets, the footstep, the lamp bracket, and all fasteners as a set—even if no visible wear is apparent, hidden corrosion and fatigue can occur. Replace the upper front right cover plate (10779024) if it shows any signs of deformation. Keep a detailed maintenance log tracking fastener torque values and panel inspection results. By following this proactive schedule, the Sany Cover-Swing Frame can reliably exceed 10,000 operating hours.

The closing plate subassemblies (tread side, rear left, rear right) are manufactured from 3‑5 mm thick steel plate using a precision stamping and forming process. Each panel is designed with reinforced edges and pre‑punched mounting holes that match the swing table’s threaded inserts. The tread side closing plate incorporates an anti‑slip pattern to provide secure footing when accessing the swing area. The rear left and rear right plates are mirror‑imaged to fit the corresponding side of the swing table, ensuring complete coverage and a professional appearance.

The front and rear brackets (10814284, 10814285) provide additional mounting points for auxiliary equipment such as warning lights, cameras, or toolboxes. These brackets are designed to integrate seamlessly with the cover panels, maintaining the clean lines of the crane’s exterior while offering practical utility. The platform bracket weld subassembly (10764951) is a welded steel structure that provides a stable base for a maintenance platform, allowing technicians to safely access the swing mechanism for inspections and servicing.

The footstep (10764978) is a vital safety component that provides a secure step for operators when climbing onto the swing table. It is manufactured from heavy‑gauge steel with a perforated anti‑slip surface that provides traction even in wet or muddy conditions. The footstep is bolted directly to the swing table using the included high‑strength hardware, ensuring that it remains firmly in place throughout the crane’s operational life.

For Sany cranes operating in extreme cold climates (below -25°C), special considerations apply to the Sany Cover-Swing Frame. The zinc‑nickel coating remains effective at low temperatures, but the steel panels may become more brittle. Avoid striking the panels with heavy tools in cold conditions. Fasteners may contract and require retorquing after the first cold cycle. The footstep’s anti‑slip surface should be kept clear of ice and snow to maintain safe footing. The lamp bracket (10781032) should be inspected for crack formation around the welds, as thermal stress can cause fatigue in cold climates.

The Sany Cover-Swing Frame is also available as part of a complete swing table overhaul kit, which includes the cover assembly, the swing bearing, the swing gearbox, and all mounting hardware. Sany recommends this complete‑kit approach for vehicles with over 10,000 operating hours, as it allows the entire swing system—including its protective enclosure—to be renewed in a single service event, eliminating the risk of hidden corrosion or panel fatigue.

Fleet managers using this strategy report a 50% reduction in swing system‑related breakdowns and a 40% reduction in total crane maintenance costs over the equipment’s life. Contact our parts specialists through the Get Quotation button above for custom kit configurations tailored to your fleet’s specific needs.