Swing Gearbox Fit for Excavator SANY SY215-8
Swing Gearbox Fit for Excavator SANY SY215-8
Swing gearbox, also known as swing reduction gearbox, is an essential component of an excavator's hydraulic system. Its main function is to reduce the speed of the excavator's swing drive motor to a slower rotational speed suitable for the excavator's upper structure. Here are some of the key features and uses of the swing gearbox:
- Provides the excavator's upper structure with the necessary torque to rotate
- Ensures the excavator's smooth and stable rotation
- Reduces the load on the swing drive motor, prolonging its lifespan

Installation and Functionality of Swing Gearbox in Excavator
The swing gearbox is located in the excavator's upper structure, between the swing drive motor and the swing bearing. Its main function is to transfer torque from the swing drive motor to the swing bearing, which allows the excavator to rotate smoothly and steadily.

The swing gearbox consists of various gears, bearings, seals, and other components that work together to ensure efficient and reliable operation. When the swing drive motor turns, it rotates the gearbox input shaft, which then turns the output shaft connected to the swing bearing. This produces the necessary torque to rotate the upper structure of the excavator.
Parameters Required for Swing Gearbox Fit for Excavator SANY SY215-8
Our swing gearbox is designed to fit perfectly in the Excavator SANY SY215-8 model. Before purchasing, make sure to confirm the following parameters to ensure compatibility:
| Parameter | Description |
|---|---|
| Model | SANY SY215-8 |
| Swing Speed | 15 rpm |
| Reduction Ratio | 1:90 |
| Output Torque | 26000 Nm |
Signs That Swing Gearbox Needs Replacement
Like any other component, the swing gearbox can wear out over time and may need to be replaced. Here are some signs that indicate that the swing gearbox needs replacement:
- Unusual noises when rotating the upper structure
- Reduced swing speed
- Difficulty in rotating the upper structure
- Leaking hydraulic fluid from the gearbox
- Excessive vibration
Regular Maintenance to Prolong the Lifespan of Swing Gearbox
Regular maintenance of the swing gearbox can help prolong its lifespan and prevent premature failure. Here are some maintenance tips to follow:
- Regularly check the oil level and quality
- Replace the gearbox oil as recommended by the manufacturer
- Inspect and replace any worn or damaged gears, bearings, or seals
- Keep the gearbox clean and free of debris and contaminants
Compatible Excavator Brands and Models
Our swing gearbox can be adapted to fit a variety of excavator brands and models. Here are some common excavator brands and models that our swing gearbox can be adapted to fit:
- Caterpillar CAT320C
- Komatsu PC200-7
- Hitachi EX200-2
- Volvo EC210B
Please note that we do not sell products for the above brands and models, the reference is only for customer convenience in selecting the appropriate product.
About Our Company
We are a leading manufacturer of high-quality spare parts for excavators, bulldozers, and other construction machinery. Our company is equipped with advanced production equipment and employs a team of highly skilled engineers to produce a wide range of products, including walking reduction gearbox assemblies, rotary reduction gearbox assemblies, gears, gear rings, transmission shafts, planetary carriers, hubs, pump casings, rotary shaft seats, end covers, washers, bearings, oil seals, and other supporting products. Our products are applicable to over 12,000 types of construction machinery models from more than 635 machinery manufacturers worldwide.
Author: Miya
Product Quick Detail:
- Standard and non-standard available
- With high quality and competitive price
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- Packing as per customer’s demand.
We promise will offer the best price by the high quality in china! We also accept special order about the products. If you are interested in our products. Please do not hesitate to let us know.We are pleased to give you the detailed information.We promise that our products would be safety and were in high quality and reasonable price. If you are interested in our products, please contact us asap.We are sincerely looking for your cooperation.
Most of our products are exported to Europe or Americas, both standard and nonstandard products available. We can produce as per your drawing or sample. Material can be standard or as per your special request. If you choose us, you choose reliable.

Materials Available
1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
4. Bronze: C51000, C52100, C54400, etc
5. Iron: 1213, 12L14,1215
6. Aluminum: Al6061, Al6063
7.OEM according to your request
Surface Treatment
Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.
Processing Method
CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly
QC & Certificate
Technicians self-check in production,final-check before package by professional Quality inspector
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009
Package & Lead Time
Size: Drawings
Wooden Case/Container and pallet, or as per customized specifications.
15-25days samples. 30-45days offcial order
Port: Shanghai/Ningbo port


