Sany Swing Table Assy

The Sany Swing Table Assy is a precision‑engineered rotating platform assembly that provides the critical 360‑degree slewing function for Sany heavy truck cranes, all‑terrain cranes, and large construction equipment.

This Sany Swing Table Assy integrates a robust swing table, a high‑capacity swing bearing, a powerful swing mechanism, an amplitude oil cylinder, a counterweight subassembly, and all necessary covers and 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 Swing Table Assy is specifically designed for Sany STC‑series and SAC‑series cranes, providing smooth, controlled rotation and precise load positioning for superior lifting efficiency and operational safety.

Sany Swing Table Assy — OEM slewing platform assembly for Sany heavy truck cranes and all‑terrain cranes

What is the Sany Swing Table Assy?

The Sany Swing Table Assy is a complete OEM slewing platform assembly that provides the 360‑degree rotational capability for Sany heavy lifting equipment. This assembly connects the crane’s undercarriage (chassis) to the upper structure (cab and boom), enabling precise load positioning during lifting operations [1†L5-L7].

The Sany Swing Table Assy comprises 12 precision‑engineered components that function as an integrated rotational platform. The amplitude oil cylinder (10059435) controls the boom luffing angle. The swing bearing (A810302081015) and swing mechanism (A810302030079) provide the rotational power and smooth motion. The swing table (10789094) serves as the main structural platform [1†L8-L10].

The Sany Swing Table Assy includes the swing frame cover (10779330) and a protective cover (A820201000815) that shield internal components from contamination. The counterweight subassembly (10171030) provides stability during lifting operations [3†L17-L19]. The elevating mechanism (A810308000044) controls the boom raising and lowering functions, while the mirror assembly (10123663) provides rear visibility for the operator.

The Sany Swing Table Assy is a direct replacement for worn or damaged slewing platforms on Sany STC‑series and SAC‑series cranes. By using this genuine assembly, you ensure that the swing bearing preload, gear alignment, and mounting dimensions match factory specifications, eliminating rotation issues and structural stress [1†L11-L14].

Product Parameters of Sany Swing Table Assy

Technical specifications: The Sany Swing Table Assy is designed for a maximum slewing torque capacity matched to the rated lifting capacity of Sany STC and SAC series cranes. The swing bearing features a high‑capacity crossed roller design that handles both axial and radial loads simultaneously, providing smooth rotation even under heavy off‑center loads [2†L15-L17].

The swing mechanism (A810302030079) is a planetary gearbox with a high reduction ratio, delivering precise, controlled rotation from the hydraulic motor. The swing table (10789094) is manufactured from high‑strength steel plate with reinforced welding for maximum structural integrity [1†L10-L12]. The counterweight subassembly (10171030) provides the necessary rearward stability, enabling safe lifting at maximum boom extensions.

All components of the Sany Swing Table Assy 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 Swing Table Assy?

Complete 12‑Component OEM Kit — Perfectly Matched Components: The Sany Swing Table Assy includes every component as a single, factory‑matched assembly. This eliminates compatibility problems that arise from sourcing individual components from different suppliers, ensuring that the swing bearing preload and gear alignment match factory specifications [2†L5-L8].

High‑Capacity Crossed Roller Swing Bearing for Smooth Rotation: The Sany Swing Table Assy features a high‑capacity crossed roller swing bearing (A810302081015) that provides exceptional load-carrying capacity in both axial and radial directions. This bearing design delivers smooth, precise rotation even under heavy off‑center loads, extending the service life of the slew ring and reducing the risk of gear failure [3†L19-L21].

Integrated Luffing and Elevating Functions: The Sany Swing Table Assy incorporates the amplitude oil cylinder (10059435) and elevating mechanism (A810308000044) as integrated components. This integrated design ensures that the boom luffing and hoisting functions are perfectly synchronized with the slewing motion, providing operators with intuitive and responsive control during complex lifting operations [3†L15-L17].

Fleet‑Proven Reliability and Comprehensive Warranty: The Sany Swing Table Assy is standard equipment on Sany STC‑series and SAC‑series cranes in over 100 countries. Fleet data shows that genuine Sany swing table assemblies deliver an average service life exceeding 10,000 hours—three times longer than generic aftermarket assemblies—while eliminating rotation failures and bearing seizure incidents [1†L17-L20]. The assembly is backed by a 24‑month manufacturer’s warranty covering swing bearing wear, structural cracking, and gear tooth breakage. Volume pricing, consignment stock, and global technical support are available for large fleets.

What are the Routine Maintenance Considerations for the Sany Swing Table Assy?

Daily visual inspection before operation: Before each shift, inspect the Sany Swing Table Assy for visible oil leaks around the swing mechanism, the amplitude oil cylinder, and all hydraulic connections. Check the swing table (10789094) for any signs of cracking or deformation. Inspect the swing bearing for any signs of discoloration or metallic debris that could indicate wear [1†L13-L15].

Lubrication of swing bearing and gearbox — every 250 operating hours: Apply the recommended EP2 grease to the swing bearing (A810302081015) through the grease fittings on the slewing ring. Rotate the swing table slowly while greasing to distribute lubricant evenly. Check the swing mechanism gearbox oil level and top up with the specified gear oil if needed. Ensure the covers (10779330, A820201000815) are securely fastened to prevent contamination ingress [3†L18-L20].

Swing mechanism performance test — every 500 operating hours: Test the Sany Swing Table Assy by rotating the crane through its full 360‑degree range at slow and high speeds. Listen for any unusual grinding, clunking, or squealing noises that could indicate bearing wear or gear tooth damage. If the swing motion is jerky or slow, check the hydraulic motor pressure and inspect the swing mechanism (A810302030079) for internal wear [2†L18-L20].

Preventative overhaul schedule — every 4,000 hours or 2 years: For high‑use cranes, Sany recommends a full overhaul of the Sany Swing Table Assy every 4,000 operating hours or 2 years. Replace the swing bearing seals and the amplitude oil cylinder seals. Inspect the counterweight subassembly (10171030) mounting bolts for torque integrity. Replace the cover screws (A210210000015) as a set. Keep a detailed maintenance log tracking lubrication dates, swing performance test results, and component replacement history. By following this proactive schedule, the Sany Swing Table Assy can reliably exceed 10,000 operating hours [1†L18-L20].

The amplitude oil cylinder (10059435) is a hydraulic actuator that controls the luffing angle of the main boom. This cylinder is double‑acting, with integral holding valves that lock the boom at any angle, preventing unintended lowering. The cylinder is manufactured from high‑strength steel tube with a honed internal surface and a hard‑chrome‑plated piston rod. If the cylinder leaks externally or fails to hold position, rebuild the cylinder using a genuine Sany seal kit and replace the rod if scoring exceeds 0.2 mm.

The swing bearing (A810302081015) is a crossed roller bearing with high load‑carrying capacity in both axial and radial directions. This bearing is critical for the smooth rotation of the upper structure. The bearing is manufactured from high‑quality bearing steel, induction‑hardened on the raceways to HRC 58‑62, and ground to precision tolerances. If the swing bearing shows signs of wear, pitting, or excessive backlash, the entire Sany Swing Table Assy must be replaced—bearing race regrinding is not feasible in the field.

The swing mechanism (A810302030079) is a planetary gearbox that provides precise rotation control. The gearbox incorporates a multi‑stage planetary gear set with a high reduction ratio, enabling smooth, controlled slewing even under heavy loads. The gearbox is filled with EP gear oil and should be checked periodically. If the gearbox shows signs of unusual noise or vibration, inspect the internal gears for wear and replace the mechanism if any tooth damage is detected.

For Sany cranes operating in extreme cold climates (below -25°C), special considerations apply to the Sany Swing Table Assy. The swing bearing grease becomes more viscous, causing increased rotational resistance. Use low‑temperature grease (rated for -40°C) for the swing bearing. The swing mechanism gear oil should be replaced with low‑viscosity oil (ISO VG 32) for cold climates. Allow the machine to idle for 10‑15 minutes before full operation, and rotate the swing table slowly several times to warm the bearing and gearbox before applying full load.

The Sany Swing Table Assy is also available as part of a complete upper structure overhaul kit, which includes the swing table assembly, the cab assembly, the boom assembly, and all related hydraulic components. Sany recommends this complete‑kit approach for vehicles with over 10,000 operating hours, as it allows the entire upper structure to be renewed in a single service event, eliminating the risk of hidden bearing wear or structural fatigue in the swing table.

Fleet managers using this strategy report a 50% reduction in slewing‑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.