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Product Advantage
Hydraulic Oil Filter for WORLD Combine Harvester
The W2.5M-05M-18-01-X HST Filter (170×Φ65) is a high-quality hydraulic oil filter designed for the hydrostatic transmission (HST) system of WORLD combine harvesters. It plays a critical role in maintaining the cleanliness of hydraulic oil by removing dust, metal particles, and other contaminants generated during machine operation.
During harvesting operations, the hydrostatic transmission system works under high pressure and continuous circulation. If impurities enter the hydraulic system, they can cause wear and damage to key components such as pumps, valves, and motors. This HST filter effectively protects the hydraulic system, ensuring stable power transmission and smooth machine performance in demanding agricultural environments.
Manufactured with a durable metal housing and a high-efficiency filtration element, the filter offers excellent filtration performance and long service life. Its standard size of 170×Φ65 mm ensures easy installation and compatibility with a range of WORLD combine harvester models.
Regular replacement of the HST filter helps maintain optimal hydraulic oil cleanliness, reduce mechanical wear, and extend the service life of the harvester's transmission system. It is an essential maintenance spare part for ensuring efficient and reliable harvesting operations.
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Efficient Filtration High-precision filter media effectively removes impurities and metal debris from hydraulic oil. | Protects HST System Prevents contaminants from entering the hydrostatic transmission system, reducing wear and improving machine reliability. | Durable & Reliable Made of strong metal housing and quality filter element, ensuring long service life even in harsh harvesting environments. |

Technical Parameters
HST Filter
| ITEMS | DESCRIPTION |
| Code | W2.5M-05M-18-01-X |
| Size(mm) | 170*Φ65 |
| Weight(kg) | 0.3 |
Product Uses
The W2.5M-05M-18-01-X HST Filter 170×Φ65 is mainly used in the hydraulic transmission system of combine harvesters to ensure clean hydraulic oil circulation and stable machine performance. It is suitable for the following agricultural working environments:
1. Combine Harvester Harvesting Operations
During large-scale grain harvesting such as wheat, rice, and corn, the HST system operates continuously. This filter helps remove impurities from hydraulic oil, ensuring smooth and stable power transmission throughout the harvesting process.
2. Agricultural Machinery Hydraulic System Maintenance
The HST filter is commonly used as a replacement spare part during routine maintenance of combine harvesters, helping maintain optimal hydraulic oil cleanliness and protecting critical transmission components.
3. Dusty and Harsh Farming Environments
In agricultural fields where dust, straw particles, and debris are common, the filter provides reliable protection for the hydraulic system by preventing contaminants from entering the hydrostatic transmission.
4. Agricultural Equipment Spare Parts Supply
Widely used by agricultural machinery dealers, repair centers, and farm equipment maintenance teams as a reliable replacement part for WORLD combine harvesters.

Product Operate Guide
Proper installation and maintenance of the W2.5M-05M-18-01-X HST Filter 170×Φ65 are essential to ensure the normal operation of the hydraulic transmission system in combine harvesters.
1. Check the Machine Before Installation
Before replacing the HST filter, turn off the combine harvester engine and ensure the hydraulic system has completely stopped. Clean the surrounding area to prevent dust or debris from entering the hydraulic system during replacement.
2. Remove the Old Filter
Carefully unscrew and remove the used HST filter from the hydraulic system. Check whether the sealing surface and mounting area are clean and free of damage.
3. Install the New HST Filter
Apply a small amount of clean hydraulic oil to the rubber sealing ring of the new filter. Install the W2.5M-05M-18-01-X HST filter and tighten it securely by hand or with appropriate tools according to the machine maintenance manual.
4. Check for Leakage
After installation, start the machine and let the hydraulic system run for a few minutes. Check whether there is any oil leakage around the filter and ensure the filter is properly sealed.
5. Regular Maintenance
For optimal performance, it is recommended to inspect the HST filter regularly and replace it according to the harvester’s maintenance schedule or working hours.
Tips:
Regular replacement of the HST filter helps maintain clean hydraulic oil, reduces wear on the hydraulic transmission system, and ensures smooth harvesting operations.
Q1: What machines is the W2.5M-05M-18-01-X HST Filter used for?
A: The W2.5M-05M-18-01-X HST Filter is mainly used in the hydrostatic transmission (HST) system of WORLD combine harvesters. It helps maintain clean hydraulic oil and ensures stable operation of the hydraulic drive system.
Q2: What is the size of this HST filter?
A: The filter size is 170 × Φ65 mm, designed to match the installation requirements of compatible WORLD combine harvester hydraulic systems.
Q3: Why is it important to replace the HST filter regularly?
A: Over time, hydraulic oil may contain dust, metal particles, and other contaminants. Regular replacement of the HST filter helps protect hydraulic pumps, valves, and motors, extending the service life of the combine harvester.
Q4: How often should the HST filter be replaced?
A: It is recommended to replace the HST filter according to the machine’s maintenance schedule or after a certain number of working hours. Regular inspection is also advised, especially during heavy harvesting seasons.
Q5: Can this filter be used as a replacement spare part?
A: Yes. The W2.5M-05M-18-01-X HST Filter is commonly used as a replacement spare part for routine maintenance of WORLD combine harvesters and compatible agricultural machinery.
Q6: Do you support OEM or bulk orders?
A: Yes, OEM customization, bulk orders, and customized packaging are available according to customer requirements.


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