Product Introduction
| Category | Specification |
|---|---|
| Product Name | JMFG Swing Motor Assembly |
| Part Number | B229900002779 |
| Component Type | Swing Reduction Gear / Slewing Gearbox |
| Application System | Excavator Swing / Slewing System |
| Compatible Machine | SY75 Excavator |
| Function | Torque Reduction, Speed Control, Power Transmission, Stable Upper Structure Rotation, Load Bearing Support |
| Material | High-Strength Alloy Steel |
| Installation Position | Mounted Between Swing Motor And Upper Structure Platform |
| Condition | New |
| Replacement Type | Original / OEM / Aftermarket Optional |
| Package | Standard protective packaging |
| Availability | In stock / Fast delivery |
SANY Excavator Swing Gearbox Assembly – High Torque, Stable Rotation
Engineered for smooth and powerful slewing performance, this swing gearbox assembly delivers reliable torque transmission, precise speed reduction, and stable upper structure rotation under heavy-duty working conditions. Designed for durability with high-strength alloy gears and precision machining, it ensures long service life and consistent operation.
Available in genuine and premium OEM options with exact fitment and strict quality inspection. Fast global delivery, competitive pricing, and dependable supply help maximize your excavator uptime and operational efficiency.
Precise Matching Guaranteed Compatibility
Manufactured with high-strength alloy steel gears and precision-machined internal components, this swing gearbox assembly delivers reliable torque transmission, smooth speed reduction, and long service life. It efficiently transfers power from the swing motor to the upper structure, ensuring stable and precise rotation even under heavy-load working conditions.
Designed for accurate system matching, it supports consistent slewing performance, improved load-bearing capacity, reduced vibration, and optimal coordination with the swing drive system, enhancing overall machine stability and operational efficiency.
Comprehensive After-Sales Support & Warranty
With clear warranty terms and responsive technical support, we offer full assistance from product selection to after-sales service, giving customers greater confidence and peace of mind throughout the product lifecycle.
