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  • How to replace the track idler roller ?

    How to replace the track idler roller ?

    The idler roller is an important part of the walking system of large-scale construction machinery such as excavators. It is installed on the track to guide the track. Its main function is to guide the correct winding of the track while.adjusing the tension of the track shoe. The front roller is n...
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  • Some Tips on Using the Undercarriage of a Bulldozer

    Some Tips on Using the Undercarriage of a Bulldozer

    Working environment of a bulldozer is harsh, so it is crucial to use and maintain the undercarriage parts properly. Based on years of bulldozer service experience, I  would like to share some tips on the use of undercarriage parts。 1.Track Link assy Bulldozers move by ...
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  • Maintenance and Repair Methods for the Four-Wheel-Track of Excavators

    Maintenance and Repair Methods for the Four-Wheel-Track of Excavators

    Many people have complained about problems like oil leakage from the supporting wheels, damage to the carrier rollers, and inconsistent tension of the tracks, which are all related to the four-wheel-track of excavators. The four-wheel-track plays a crucial role in the performance and movement of ...
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  • Differences between excavator Track rollers and bulldozer track rollers

    Differences between excavator Track rollers and bulldozer track rollers

    Differences between excavator Track rollers and bulldozer track rollers Excavator chassis accessories mainly include four wheels and one belt: four wheels refer to supporting wheels, driving wheels, guide wheels, and tow chain wheels; one belt refers to crawlers. The rollers play a supporting ro...
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  • Talking about Hydraulic excavator and undercarriage parts

    Talking about Hydraulic excavator and undercarriage parts

    Hydraulic excavator is a kind of widely used construction machinery, active in road construction, bridge construction, housing construction, rural water conservancy, land development and other fields. It can be seen everywhere in the construction of airports, ports, railways, oil fields, highways...
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  • How to solve the wear problem of track roller of the bulldozer

    How to solve the wear problem of track roller of the bulldozer

    Jinjia Machinery (Since 1990), we have specialized in the manufacture of bearings for excavator chassis components.Here are our main products, such as IDLERS, ROLLERS, SPROCKETS, TRACK LINK ASSY, as show Track Roller is used to support the weight, and it is also one of ...
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  • What is the cause of the oil leakage of the bulldozer track roller?

    What is the cause of the oil leakage of the bulldozer track roller?

    What is the cause of the oil leakage of the bulldozer track roller? The track roller is one of the main wearing parts of the construction machinery walking mechanism, which has high requirements on its anti-fatigue damage capability. The service life of the track roller has become a key indicato...
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  • Talking about the difference between track Rollers and carrier Roller

    Talking about the difference between track Rollers and carrier Roller

    Fujian Jinjia Machinery has been focusing on crawler excavator chassis components for more than 30 years since 1990.(www.qzhdm.com) Today we talking about the difference between track Rollers and carrier Roller Track rollers and supporting sprockets are important components of the walking and su...
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  • Crawler Excavator undercarriage parts – IDLER Replacement Method

    Crawler Excavator undercarriage parts – IDLER Replacement Method

    The IDLER is an important part of the walking system of large-scale construction machinery such as excavators. It is installed on the track to guide the track. Its main function is to guide the correct winding of the track. Adjust the tension of the track, so the guide wheel is not only the guid...
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  • Talking about Track rollers of the Undercarriage Parts

    Talking about Track rollers of the Undercarriage Parts

    Undercarriage Parts for the track rollers Tracke Roller Features Fujian Jinjia Machinery produces excavator chassis components, mainly including rollers, support rollers, tracks, loose rings, sprockets, steel tracks, track chains, track groups, track links, track shoes, and track shoes. Today we...
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  • Performance of crawler excavator walking system

    Performance of crawler excavator walking system

    Performance of crawler excavator walking system The following principles should be followed when designing the walking system of a hydraulic excavator: (1) Satisfy the use performance, the economy is better, and the requirements for overload protection are also required. The machine has good pro...
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  • Talking about Structural form of crawler walking device

    Talking about Structural form of crawler walking device

    Structural form of crawler walking device Our company mainly produces excavator chassis components, such as: rollers, supporting rollers, tracks, idlers, loose rings, lower rollers, sprockets, steel tracks, upper rollers, track chains, track groups, track chains Rods, track shoes, rollers, track...
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