GZ Yuexiang Engineering Machinery Co., Ltd.
| Payment Terms | T/T, Western Union,Paypal |
| Supply Ability | 500 pieces per month |
| Delivery Time | 2-5days |
| Packaging Details | Wooden |
| Model number | XCM150 MBEB170 MBEZ068 |
| Model | EC140 EC140B |
| Part number | 14573820 SA 8230-33470 |
| Application | Excavator |
| Product name | Travel gearbox |
| Material | Steel |
| Warranty | 6 Months |
| Feature | High Efficiency |
| Brand Name | Belparts |
| Model Number | EC140 EC140B |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, Western Union,Paypal | Supply Ability | 500 pieces per month |
| Delivery Time | 2-5days | Packaging Details | Wooden |
| Model number | XCM150 MBEB170 MBEZ068 | Model | EC140 EC140B |
| Part number | 14573820 SA 8230-33470 | Application | Excavator |
| Product name | Travel gearbox | Material | Steel |
| Warranty | 6 Months | Feature | High Efficiency |
| Brand Name | Belparts | Model Number | EC140 EC140B |
| Place of Origin | China | ||
| High Light | SA 8230-33470 Travel Reduction Gearbox ，Volvo EC140B Travel Reduction Gearbox ，14573820 Travel Reduction Gearbox | ||
Volvo EC140 EC140B 14573820 SA 8230-33470 Travel Reduction Gearbox for excavator
The excavator travel gearbox (also known as the walking gearbox or track drive gearbox) is a critical component in crawler excavators, responsible for transferring power from the engine to the tracks, enabling controlled movement. Designed to withstand heavy loads and harsh environments, it ensures efficient mobility across diverse terrains. This guide explores its working principles, construction, functions, applications, and maintenance practices.
Product Description
| Product name | travel gearbox
|
| Place of Origin: | China(mainland)
|
| Model: | EC140 EC140B
|
| Part number: | 14573820 SA 8230-33470
|
| MOQ: | 1 PCS
|
| Payment term: | T/T & Western Union & Paypal
|
| Delivery time: | Within 3 days after receiving the payment
|
| Packing: | Standard exporting packing or as required
|
| # | Part No | Part Name | Qty. | Price request |
|---|---|---|---|---|
| DF16F001 | ||||
| SA 8230-33470 | Travel Gearbox | 1 | ||
| 1 | SA 8230-32570 | Cover | 1 | |
| 2 | SA 8230-33210 | Bolt | 12 | |
| 3 | SA 8230-32590 | Plug | 3 | |
| 4 | SA 9511-12024 | O-ring more | 3 | |
| 5 | SA 8230-32510 | Seal more | 2 | |
| 6 | SA 8230-32450 | Bearing | 2 | |
| 7 | SA 8230-32580 | Nut | 1 | |
| 8 | SA 8230-32610 | Plug | 4 | |
| 9 | SA 8230-32540 | Housing | 1 | |
| 10 | SA 8230-32470 | Planetary Gear | 4 | |
| 11 | SA 8230-32430 | Needle Bearing | 4 | |
| 12 | SA 8230-32550 | Race | 4 | |
| 13 | SA 8230-32480 | Washer more | 4 | |
| 14 | SA 8230-32500 | Pressure Plate | 4 | |
| 15 | SA 8230-32530 | Screw | 4 | |
| 16 | SA 8230-33270 | Spring Pin | 4 | |
| 17 | SA 8230-32460 | Gear | 1 | |
| 18 | SA 8230-32520 | Ring | 1 | |
| 19 | SA 8230-33480 | Holder | 1 | |
| 20 | SA 8230-33500 | Planetary Gear | 3 | |
| 21 | SA 8230-32440 | Needle Bearing | 3 | |
| 22 | SA 8230-32560 | Race | 3 | |
| 23 | SA 8230-32490 | Washer | 3 | |
| 24 | SA 8230-33490 | Gear | 1 | |
| 25 | SA 8230-33540 | Plate | 1 | |
| SA 8230-33510 | Pressure Plate | 1 | ||
| SA 8230-33520 | Pressure Plate | 1 | ||
| SA 8230-33530 | Pressure Plate | 1 | ||
| 100 | SA 8230-32620 | Sealing Kit KIT more | 1 |
The travel gearbox operates as a speed reducer and torque amplifier:
Power Input: Receives high-speed, low-torque rotational energy from the hydraulic motor (or engine via a driveshaft in mechanical systems).
Gear Reduction: Multi-stage gears (planetary/spur) reduce speed while increasing torque.
Output to Sprocket: The final drive transfers torque to the sprocket, which engages with the track links, propelling the excavator.
Direction Control: Integrated clutches or hydraulic valves enable forward/reverse movement.
Hydraulic excavators commonly use hydraulic travel motors coupled with gearboxes, while older models may employ mechanical transmissions.
A typical travel gearbox consists of:
Material: High-strength cast iron or alloy steel for durability.
Function: Protects internal components and retains lubrication.
Planetary Gear Sets: Compact design for high torque transmission.
Spur Gears: Simpler models use spur gears for cost efficiency.
Tapered Roller Bearings: Handle axial and radial loads.
Needle Bearings: Used in high-speed sections.
Input Shaft: Connects to the hydraulic motor.
Output Shaft: Drives the sprocket.
Lip Seals/Gaskets: Prevent oil leaks and contamination.
Oil Bath/Grease Lubrication: Reduces friction and wear.
Wet Disc Brakes: Hydraulically activated for smooth stopping.
Directional Clutches: Enable gear shifting (in mechanical models).
FAQ
| Q: Is the quality of reducer guaranteed? |
| A:Of course.Our reducers are of guaranteed quality. |
| Q: How about your after-sales service ? |
| A: We have a very comprehensive after-sales service, for you to solve problems at any time. |
| Q: How long is your delivery time? |
| A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity. |
Company Details
Year Established:
2013
Total Annual:
20000-3000000
Employee Number:
50~93
Ecer Certification：
Verified Supplier
GZ Yuexiang Engineering Machinery Co., Ltd. GZ Yuexiang Engineering Machinery Co., Ltd, is a foreign trade company integrating development, sales, procurement, warehousing, transportation and service. Founded in September 2013, we have more than twelve years of experience in machinery t... GZ Yuexiang Engineering Machinery Co., Ltd. GZ Yuexiang Engineering Machinery Co., Ltd, is a foreign trade company integrating development, sales, procurement, warehousing, transportation and service. Founded in September 2013, we have more than twelve years of experience in machinery t...
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