China Guangzhou Anto Machinery Parts Co.,Ltd. Company Blog

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Excavator Spare Parts (4558)

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I appreciate the help from Paul, he's prefessional and knows exactly what parts I need. My CAT has gone back to work without any problem.

—— Raphael

Got the final drive and its beautiful I think. We've have it assembled in our Hitachi ZX330 excavator, my machines goes to work again now. Many thanks

—— Kevin

Fast shippment, the arrived parts is good quality, our engine is repaired and is perfectly running at maximum power. Thank you, god bless.

—— Mohammed

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Company Blog

Malfunction of the travel main valve spool causing the excavator to veer off course

[2019-06-06 12:05:09]

During the excavator’s movement, if the spring inside the travel main valve softens, breaks, or if the valve spool is jammed by foreign objects, it may result in a drop in oil pressure, which can lead to the excavator veering off course. Solution to the fault: Measure the oil circuit pressure of the ... Read More

Clogging of the small hole in the final drive system balance valve

[2020-07-09 12:04:01]

During the excavator’s movement, if the pressure oil cannot pass through the small hole in the balance valve to move the valve spool, it will be unable to release the parking force through the groove on the balance valve. This will obstruct the normal rotation of the travel motor, ultimately causing ... Read More

Leakage of the travel motor safety valve

[2021-09-02 12:01:24]

If the safety valve of the travel motor leaks, it will lead to insufficient system pressure, which in turn affects the rotational force of the travel motor, ultimately causing the excavator to veer off course. Solution to the fault: Replace the damaged travel motor safety valve. To further confirm ... Read More

Blockage of the balance valve in the parking brake oil circuit on one side of the excavator

[2022-03-17 11:59:14]

Dirt can block the balance valve in the parking brake oil circuit on one side of the excavator. When the excavator is moving, if pressure oil cannot pass through the small hole in the balance valve to enter the spring chamber and move the valve spool, the pressure oil will be unable to flow through ... Read More

Damage to the center swivel joint seal ring

[2023-05-10 11:56:44]

If the hydraulic oil filter has not been replaced for an extended period, it may cause the bypass valve on the filter to open, allowing impurities in the unfiltered hydraulic oil to directly enter the sliding surface of the center swivel joint, which in turn leads to damage to the seal ring. As a ... Read More

Excavator Spare Parts

[2025-06-19 15:59:54]

Spare Parts for Excavators: Essential Components for Optimal Performance In the world of construction machinery, excavators play a vital role in a variety of projects, from earthmoving to heavy lifting. To ensure that these machines maintain their peak performance and reliability, high-quality spare ... Read More

Excavator Final Drive

[2025-06-19 16:02:04]

Final Drive for Excavators: Key Component for Efficient Movement The final drive is a crucial component in excavators and other construction machinery, providing the power necessary for the machine’s movement. It plays a key role in transmitting power from the engine through the drivetrain to the ... Read More

Excavator Swing Gear

[2025-06-19 16:03:20]

Swing Gear for Excavators: Key to Efficient Rotation and Operation The swing gear is an essential component of the excavator’s undercarriage, responsible for enabling the upper structure (cab, boom, arm, and bucket) to rotate smoothly and efficiently. This rotation capability is crucial for ... Read More

Excavator Engine Parts

[2025-06-19 16:03:49]

Engine Parts for Excavators: The Heart of Heavy Machinery The engine of an excavator is its powerhouse, providing the necessary energy for the hydraulic system, tracks, and other critical functions. As one of the most crucial components of the machine, the engine ensures that the excavator performs ... Read More

Excavator Travel Motor

[2025-06-19 16:05:10]

Travel Motor for Excavators: The Power Behind Mobility The travel motor is one of the most critical components in an excavator’s undercarriage system, responsible for providing the power needed for the machine to move across various terrains. Whether the excavator is operating on soft, uneven ground ... Read More

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