Final Drive Travel Gearbox Fit for Excavator Hyundai R520-9
Final Drive Travel Gearbox Fit for Excavator Hyundai R520-9

Introduction
A travel gearbox, also known as a final drive, is an important component of an excavator that enables it to move. It is responsible for transmitting power from the hydraulic motor to the tracks, allowing the excavator to move forward and backward. Final drive travel gearbox is an essential part of the excavator and without it, the excavator cannot move.
Location and Function
The travel gearbox is located between the hydraulic motor and the tracks. When the hydraulic motor rotates, the gearbox drives the tracks to move the excavator forward or backward. It also controls the speed and direction of travel and provides the excavator with the necessary torque to overcome any obstacles.
Core Features of Final Drive Travel Gearbox for Hyundai R520-9
- High-quality materials and manufacturing process to ensure durability and reliability
- Accurate and precise machining ensures proper fit and performance
- Advanced sealing technology to prevent oil leakage and contamination
- Optimized gear ratio for maximum efficiency and performance
- Designed specifically for Hyundai R520-9 excavator to ensure compatibility and optimal performance
1. High-quality materials and manufacturing process to ensure durability and reliability
The final drive travel gearbox is made of high-quality materials such as hardened steel and aluminum, which makes it strong and durable. The manufacturing process is precise, ensuring that each component is machined accurately and to the correct specifications. This results in a reliable and long-lasting product.
2. Accurate and precise machining ensures proper fit and performance
The travel gearbox is machined with great precision to ensure that each component fits correctly and performs as intended. This results in less wear and tear on the parts, which extends the life of the product and reduces the need for maintenance.
3. Advanced sealing technology to prevent oil leakage and contamination
The final drive travel gearbox is designed with advanced sealing technology that prevents oil leakage and contamination. This ensures that the gearbox stays clean and lubricated, which prolongs its life and ensures optimal performance.
4. Optimized gear ratio for maximum efficiency and performance
The gear ratio of the travel gearbox is optimized for maximum efficiency and performance. This means that the gearbox can transfer the maximum amount of power from the hydraulic motor to the tracks, resulting in faster and smoother movement.
5. Designed specifically for Hyundai R520-9 excavator to ensure compatibility and optimal performance
The final drive travel gearbox is designed specifically for the Hyundai R520-9 excavator, which ensures compatibility and optimal performance. It has been tested extensively to ensure that it meets the highest standards of quality and reliability.

Parameters for Purchasing Travel Gearbox
| Parameter | Description |
|---|---|
| Excavator model | The model of the excavator that the travel gearbox will be installed on. |
| Travel motor type | The type of the travel motor that the travel gearbox will be connected to. |
| Track width | The width of the tracks on the excavator. |
| Sprocket diameter | The diameter of the sprocket that the track links engage with. |
| Number of teeth on the sprocket | The number of teeth on the sprocket that the track links engage with. |
When to Replace the Travel Gearbox
- Unusual noises coming from the gearbox
- Reduced travel speed or power
- Leaking oil or damage to the casing
- Excessive vibration during operation
- Difficulty in changing tracks
1. Unusual noises coming from the gearbox
If you hear any unusual noises coming from the travel gearbox, such as grinding, rattling, or squeaking, it may be a sign that the gearbox needs to be replaced. These noises are often caused by worn or damaged gears or bearings.
2. Reduced travel speed or power
If you notice that the excavator is moving slower than usual or has less power, it may be a sign that the travel gearbox is worn or damaged. This can be caused by worn gears or bearings, which can reduce the efficiency of the gearbox.
3. Leaking oil or damage to the casing
If you notice that oil is leaking from the travel gearbox or the casing is damaged, it may be a sign that the gearbox needs to be replaced. Oil leaks can be caused by worn or damaged seals, while casing damage can be caused by impact or wear and tear.
4. Excessive vibration during operation
If you feel excessive vibration during operation, it may be a sign that the travel gearbox is worn or damaged. This can be caused by worn or damaged gears or bearings, which can cause the gearbox to vibrate excessively.
5. Difficulty in changing tracks
If you are having difficulty in changing tracks, it may be a sign that the travel gearbox is worn or damaged. This can be caused by worn or damaged gears or bearings, which can affect the operation of the track changing mechanism.
Daily Maintenance to Prolong the Life of Travel Gearbox
- Check the oil level and quality regularly
- Clean the exterior of the travel gearbox to prevent dirt and debris from entering
- Check for any leaks or damage to the casing
- Lubricate the seals and bearings regularly
- Replace the oil and filters at regular intervals
Installation Guide
Before installing the travel gearbox, make sure that it is compatible with the excavator model and that all the necessary parameters match. Follow these steps to install the travel gearbox:
1. Compatibility
Make sure that the travel gearbox is compatible with the excavator model and that all the necessary parameters match.
2. Removal
Remove the old travel gearbox from the excavator, making sure to disconnect all the hoses and electrical connections.
3. Installation
Install the new travel gearbox in the same location as the old one, making sure to connect all the hoses and electrical connections. Use the appropriate torque settings to tighten all the bolts and screws.
4. Testing
Start the excavator and test the travel gearbox to ensure that it is working properly. Check for any leaks or abnormal noises.
Other Compatible Excavator Brands and Models
We specialize in producing high-quality spare parts for excavators and bulldozers, including travel gearboxes and final drives. Our products are compatible with many different brands and models of excavators, including:
- Daewoo
- Doosan
- Caterpillar
- Hitachi
- Kato
- Komatsu
- Hyundai
- SANY
- Volvo
- Kobelco
- Sumitomo
- LiuGong
- Yuchai
- CASE
- LOVOL
- Sunward
- XCMG
Please note that we do not sell products for the above brands and models, and the inclusion of these brands and models is only for customer convenience.
About Our Company
We are a company that specializes in producing high-quality spare parts for excavators and bulldozers. Our company was founded in 2000 and we have various 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 frames, wheel hubs, pump housings, rotary shaft bases, and end covers, as well as gaskets, bearings, and oil seals. We produce more than 12,000 types of transmission parts for excavators and bulldozers, which are suitable for more than 503 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




