Swing Gearbox Fit for Excavator Caterpillar E85
Swing Gearbox Fit for Excavator Caterpillar E85
The Swing Gearbox is an essential component of an excavator's hydraulic system, responsible for turning the excavator's cab and boom. It is a complex system of gears and bearings that work together to provide smooth and precise rotation of the upper structure of the excavator. Some of the key functions and uses of the Swing Gearbox include:
- Allowing the operator to turn the excavator while stationary or in motion
- Helping to maintain the excavator's balance and stability during operation
- Transferring torque from the excavator's engine to the upper structure

Installation and Function
The Swing Gearbox is typically located at the base of the excavator's upper structure, directly under the cab. It is connected to the engine via a hydraulic motor and transfers power from the engine to the upper structure. The Swing Gearbox works by using a set of gears to transfer torque from the motor to the upper structure of the excavator. It allows the cab and boom to rotate smoothly and precisely, making it an essential component of the excavator's hydraulic system.

Compatibility and Parameters
Our Swing Gearbox is a perfect fit for Excavator Caterpillar E85. Before purchasing, it is important to ensure that the following parameters are compatible with your excavator:
| Parameter | Compatible Range |
|---|---|
| Model Number | E85 |
| Weight | Approximately 300kg |
| Dimensions | 1200mm x 1200mm x 700mm |
| Rotation Angle | 360 degrees |
When to Replace the Swing Gearbox
Over time, the Swing Gearbox may wear out or become damaged, leading to issues with the excavator's performance. Some signs that it may be time to replace the Swing Gearbox include:
- Unusual noises or vibrations during operation
- Difficulty turning the excavator
- Leaking hydraulic fluid
- Excessive wear or damage to the gearbox
Maintenance to Extend Lifespan
Regular maintenance is essential for extending the lifespan of the Swing Gearbox. Here are some tips for maintaining your Swing Gearbox:
- Monitor hydraulic fluid levels and change the fluid regularly
- Inspect the gearbox for signs of wear or damage
- Keep the gearbox clean and free of debris
- Ensure that all bolts and connections are tight and secure
Compatible Excavator Brands and Models
Our Swing Gearbox is compatible with a wide range of excavator brands and models, including:
- Komatsu PC78US-6
- Hitachi ZX85USB-5A
- Caterpillar E80
- Volvo EC80D
- Bobcat E85
Please note that while we do not sell products for all of the above brands and models, we can help you find the right Swing Gearbox for your excavator.
About Our Company
We are a company that specializes in producing high-quality spare parts for excavators, bulldozers, and other construction machinery. We have a variety of production equipment, excellent processing technology, and a high-quality production design and marketing team. Our main products include walking reducer assemblies, rotary reducer assemblies, gears, gear rings, transmission shafts, planetary gears, wheel hubs, pump shells, rotary shaft seats, end caps, washers, bearings, oil seals, and other supporting products. We produce more than 12,000 transmission parts for excavators and bulldozers, suitable for 531 different models.
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


