Swing Gearbox Fit for Excavator Caterpillar E313GC
Swing Gearbox Fit for Excavator Caterpillar E313GC
The swing gearbox, also known as the swing drive, is a crucial component of a hydraulic excavator's powertrain system. It is responsible for rotating the cab and upper structure of the excavator, allowing for efficient digging and loading operations.
Function and Usage
- The swing gearbox transfers power from the hydraulic motor to the swing pinion gear and ultimately to the swing bearing, allowing for smooth rotation of the upper structure.
- It enables the excavator to work in tight spaces and dig at various angles.
- The swing gearbox also provides a stable platform for the operator's cab, ensuring safety during operation.

Installation and Operation
The swing gearbox is typically located on the excavator's upper structure, near the cab. It is attached to the hydraulic motor and swing pinion gear by bolts and flanges.
- The hydraulic motor converts hydraulic pressure into rotational force, which is then transferred to the swing gearbox.
- The swing pinion gear meshes with the swing ring gear, allowing for smooth rotation of the excavator's upper structure.
- Proper maintenance of the hydraulic system and regularly checking for wear and tear on the swing gearbox can help to prolong its lifespan.

Compatibility and Purchasing
Our swing gearbox is specifically designed to fit the Excavator Caterpillar E313GC model. Before purchasing, it is important to confirm the following parameters:
| Parameter | Description |
|---|---|
| Swing Ratio | The ratio of hydraulic motor speed to swing pinion gear speed. |
| Mounting Bolt Circle Diameter | The diameter of the bolt circle on the gearbox flange. |
| Input Shaft Diameter | The diameter of the hydraulic motor shaft. |
Please contact us for further information and purchasing details.
Signs of Wear and Tear
- Unusual noises during operation
- Decreased swing speed or power
- Leaking hydraulic fluid
- Excessive vibration or movement in the upper structure
If any of these signs are present, it may be necessary to replace the swing gearbox to maintain safe and efficient operation of the excavator.
Maintenance and Lifespan
- Regularly checking and changing hydraulic fluid
- Inspecting for leaks and damage
- Tightening bolts and flanges
- Replacing worn or damaged parts
Proper maintenance can help to prolong the lifespan of the swing gearbox and prevent the need for costly repairs or replacements.
About Us
We are a leading manufacturer of high-quality transmission components for excavators, bulldozers, and other construction machinery. Our company has a team of experienced engineers and marketers, as well as advanced production equipment and technology.
We offer a wide range of products, including walking reducer assembly, rotary reducer assembly, gears, gear rings, planetary frames, wheel hubs, pump casings, rotary shaft seats, end covers, gaskets, bearings, and oil seals. We have over 12,000 products available for more than 539 different machine models.
Our commitment to quality, innovation, and customer satisfaction has made us a trusted supplier for construction companies around the world.
Author: Miya
Product Quick Detail:
- Standard and non-standard available
- With high quality and competitive price
- Prompt delivery
- 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


