Sany B229900006314 Reducer As-Swing Catalog

SANY CATALOG ➤ SANY SY215C8 Truck Crane Parts Catalog

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The Sany B229900006314 Reducer As-Swing is a heavy-duty planetary gearbox that converts hydraulic motor torque into the rotational force required to swing the upper structure of Sany cranes. This gearbox is the powerhouse behind the 360-degree slewing capability, enabling precise load positioning during lifting operations. It is engineered to deliver smooth, controlled rotation even under heavy off-center loads, while maintaining precise positioning without excessive backlash.

Built with a multi-stage planetary gear design, the Sany B229900006314 Reducer As-Swing achieves high reduction ratios while maintaining compact dimensions, making it ideal for space-constrained swing table installations. The internal gears are case-hardened and precision-ground to AGMA quality class 10 or better, ensuring quiet operation, minimal backlash, and extended service life. The housing is manufactured from high-strength cast iron with precision-machined bearing seats and sealing surfaces for maximum reliability.

The Sany B229900006314 Reducer As-Swing is designed to interface seamlessly with standard hydraulic motor couplings on the input side and features a spline or keyway output shaft to match the swing ring pinion. This direct-drive configuration minimizes power loss and ensures efficient torque transmission. The assembly also includes high-strength mounting hardware, including property class 10.9 fasteners with corrosion-resistant coating, ensuring secure attachment to the crane’s swing table.

Whether used in Sany STC-series truck cranes, SAC-series all-terrain cranes, or large excavators, the Sany B229900006314 Reducer As-Swing delivers consistent, dependable performance that operators can trust. As a direct OEM replacement, this reducer assembly eliminates installation issues and ensures that the gear reduction ratio, mounting hole pattern, and output shaft dimensions match factory specifications perfectly. This guarantees reliable power transmission and extends the service life of the entire swing drive system.

INDEX	PART NUMBER	PART NAME
1	60008573	Shaft – Driving
2	60008571	Body
3	60008740	Bearing
4	60008744	Seat – Seal
5	60008881	Seal – O-Ring
6	60008883	Seal – O-Ring
7	B229900003186	Plate
8	B229900003187	Plate
9	B220401000688	Valve – Delay
10	60008845	Bolt

Every Sany B229900006314 Reducer As-Swing is backed by our commitment to quality, ensuring your equipment stays productive and reliable on every job site.

Regular visual inspections — Periodically examine the Sany B229900006314 Reducer As-Swing for any signs of leakage, cracks, or physical damage to the housing and seals. Check all mounting bolts and fittings for proper torque, as loose connections can cause oil seepage and reduce system efficiency. Look for oil stains or wet spots around the gearbox that may indicate seal wear or housing damage.

Lubrication and oil quality management — The performance of the Sany B229900006314 Reducer As-Swing is highly dependent on the condition of the gear oil. Use the recommended viscosity grade and change the oil at the intervals specified in the equipment manual. Monitor for contamination or degradation, as dirty oil can accelerate wear on gears and bearings, compromising the reducer’s efficiency and service life.

Seal and O-ring replacement — Over time, the elastomeric seals and O-rings inside the Sany B229900006314 Reducer As-Swing may degrade due to heat, pressure cycling, and chemical exposure. Replace these components at regular intervals or whenever you notice hardening, cracking, or loss of elasticity. Always use genuine Sany seal kits to ensure proper material compatibility and extended service life.

Performance monitoring and troubleshooting — Pay attention to changes in swing responsiveness, unusual noises, or excessive vibration during operation, as these can be early indicators of reducer issues. Periodically test the reducer’s torque output and check for abnormal temperature rise. Early detection of abnormalities allows for timely maintenance, preventing costly damage to the swing motor, slewing bearing, and other related components.

Always refer to the equipment’s service manual for specific maintenance intervals, torque specifications, and lubrication requirements for the Sany B229900006314 Reducer As-Swing. Proper care ensures maximum uptime and extends the lifespan of your swing drive system.