China Professional Excavator Final Drivel Gearbox 504-1674 5041674 460-4988 5421326 5181212 518-1212 for 349d2 350 352 gearbox adjustment

Product Description

Excavator Final Drivel Gearbox 504-1674 557174 460-4988 5421326 5181212 518-1212 for 349D2 350 352

Product Description


Part Name Final drive
Part Model 504-1674 557174  460-4988 5421326 5181212 518-121
Size Standard
Feature Durable
Hardness 25-90 Shore
Application Hydraulic Rock excavator
Certification ISO 9000, CE
OEM Acceptable
MOQ 1 Sets
Payment Terms TT/WEST UNION
Port HangZhou Xihu (West Lake) Dis.
Delivery Time 3-7 Days

Advantage of Our Products
-Highest standard to suit western country operators’ use

-Free and efficient communications

-Quick and professional responses

-Patient and Responsible sale services

-ISO quality control manufacturing


Detailed Photos

Why you choose us?
1.Longer durability life.

2.Grind Piston diameter according to the assembly need.

3.Special specification piston according to the customers’ request.

4.Powerful impact strike with perfect Performance,easy maintenance ,low price hydraulic breaker piston.

5.Control piston tolerance range, make piston and cylinder body between the fit clearance to achieve the best.

We have more related brands & models to provide:

CAT 301.5 301.7 302CR 303.5E 302.5 305 305.5 305.5E2 306 306.5 307 307.5 307C 307D 307E 308 308.5 B 312C 312D 313 313D 313D2 313D2L GC 313D2GC 314DCR 315 315B 315CL 315D D 318D2L 319D 320A 320 320B 320C 320CR 320CU 320D 320GC 320D2 320D2GC 320V 320V2 320E 320EL 321D 323GC 323 324D 324E 325C 325D 326 326D2 326GC 315C 330C 330GC 315D E320D E325D 330D 336GC 336E 345GC 349 374FL 390FL M315D2 M317D2 M320D2 E70B E120B E200B E320B E330B E330 345D 345D2 349D 349F
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Company Profile


Xihu (West Lake) Machine Equipment Co., Ltd.

HangZhou Xihu (West Lake) Machinery Co., Ltd (EB Seals) is proud to offer a wide range of high-quality excavator engine parts and services to meet all of your needs. At koko shop, our team of knowledgeable and experienced staff is always available to help you find the perfect part for your needs.From engine blocks and cylinder heads to camshafts and valves, we have everything you need to keep your excavator running smoothly. Our selection includes both gasoline and diesel engines, so you can choose the 1 that best suits your needs.When it comes to choosing the right excavator engine part, it’s important to consider the make and model of your machine, as well as the specific component you need. 

At koko shop, our knowledgeable staff is always available to help you find the right part for your needs.In addition to our extensive selection of excavator engine parts, we also offer fast shipping and competitive prices. We are committed to providing our customers with the best possible service and support. With EB Seals, you can trust that you are getting reliable and high-quality products at a fair price.
At KOKO shop, we understand that having reliable and high-quality excavator engine parts is critical to the performance and efficiency of your machine. That’s why we are dedicated to providing our customers with the best possible service and support. Contact us today to learn more about our selection of excavator engine parts and services.
Specializes in:
–Hydraulic hammer breaker;
–Excavator Engine parts.

More Product We Have(Welcome to contact)

Overhaul Kit Liner Kit Piston Kit Piston Ring Cylinder Liner
Sensor Full Gasket Kit Head Gasket Cylinder Head Engine Bearing
Engine Valves Water Pump Oil Pump Crankshaft Connecting Rod
Shut Off Solenoid Glow Plug Starter Motor Fuel Pump Diesel Pump



Q1. How many days for the delivery time ?
It is about 3-7 working days after the order confirmation. 

Q2. What kind of payments you accept? 
Now we accept T/T, L/C or Western Union, other terms also could be negotiated, Recommended Trade Assurance to guarantee buyer’s property.

Q3. Are you able to manufacturing products according to customer’s design?
Sure, we have made many special orders from oversea for 10 years since 2571. So we have enough ability to deal with any cases. OEM certificate is available to provided.

Q4. What’s your advantages in the machinery manufacturing industry?
Fast delivery time, High quality products, Best customer service, Adopting the latest production technology.

Q5. Which countries have you been exported recently? 
Canada, Australia, Peru, Egypt, Brazil, Mexico, South Africa, etc.
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After-sales Service: Yes
Warranty: 3 Months
Type: Engine
Application: Excavator
Certification: CE, ISO9001: 2000
Condition: New


Customized Request


Common Problems with Gearboxes and How to Troubleshoot Them

Gearboxes can encounter various issues over time. Here are some common problems and troubleshooting steps:

  1. Noise and Vibration: Excessive noise or vibration may indicate misalignment, worn gears, or insufficient lubrication. Check alignment, inspect gears for wear, and ensure proper lubrication.
  2. Overheating: Overheating can be caused by high friction, inadequate lubrication, or overloading. Verify lubrication levels, reduce loads, and ensure proper ventilation.
  3. Leakage: Oil leaks may result from worn seals or gaskets. Inspect and replace damaged seals, and ensure proper sealing.
  4. Reduced Performance: Decreased performance could be due to worn gears, damaged bearings, or misalignment. Inspect components, replace damaged parts, and realign as needed.
  5. Gear Wear and Tooth Damage: Wear on gear teeth can result from excessive loads or poor lubrication. Replace worn gears and ensure proper lubrication.
  6. Shaft Misalignment: Shaft misalignment can lead to increased wear and noise. Realign shafts using precision measurement tools.
  7. Lubrication Issues: Inadequate or contaminated lubrication can cause premature wear. Regularly check and replace lubricant, and use the correct type for your gearbox.
  8. Bearing Failure: Bearing failure may result from overload, misalignment, or inadequate lubrication. Replace worn bearings and address underlying issues.
  9. Seal Damage: Damaged seals can lead to leaks and contamination. Replace seals and ensure proper installation.
  10. Gearbox Lockup: Gearbox lockup may occur due to foreign objects or damaged components. Disassemble and inspect the gearbox, removing any obstructions and replacing damaged parts.

Regular maintenance, proper lubrication, and timely troubleshooting are key to addressing gearbox problems and ensuring smooth operation.

China Professional Excavator Final Drivel Gearbox 504-1674 5041674 460-4988 5421326 5181212 518-1212 for 349d2 350 352   gearbox adjustment	China Professional Excavator Final Drivel Gearbox 504-1674 5041674 460-4988 5421326 5181212 518-1212 for 349d2 350 352   gearbox adjustment
editor by CX 2024-03-08