Lower Roller for Hitachi Kh300-3 Crawler Crane

Our company has a certain share in the global market thanks to our excellent Track Link Assembly, Mini Excavator Bottom Roller, Bulldozer Upper Carrier Roller, high-quality employees, unique corporate culture and innovative teamwork spirit. In the future, we will further increase our development efforts, promote the upgrading of the industry, and bring consumers a more perfect product. Our company constantly strengthen customer relationship management, improve customer satisfaction, improve service quality, cultivate employee loyalty. Our company continues to forge ahead, with professional degree and advanced degree. The company adheres to the development policy of "technology, innovation, quality, and service", and will continue to devote itself to brand building in the future development.

1) Product Description

Crawler Crane Lower Roller is not only used to support the weight of the crawler crane, but also can roll on the track (rail link) or the surface of the crawler shoe. It is also used to limit the track and prevent lateral slippage. When the crawler crane turns, the rollers force the crawler to slip on the ground. Crawler Crane Lower Roller is often in muddy water and dust and bears strong impact, so it is required to have reliable sealing and wear-resistant rims.

2) Mechanical Performance

Material: 40Mn2

Hardness: HRC 53-58

Quenching depth: 5-8mm

Warranty period: one year

3) About Quality

Metal forming: forging

Bushing:100% fine cooper bushing, instead of duplex metal(iron and cooper).

Pin: 40Cr

Floating seal: the size of floating seals must 100% match the roller. If not, the oil will spilling

4) Production Process

5) Application

Crawler Crane Lower Roller could fit with below models:

For more parts not included as the above, please send us your inquiry with specific needs!

We have several engineers for the undercarriage parts, if you have part number, model or drawing, dimensions, please send to us. Our engineer will check whether they are correct. If not, we will also give you suggestions for measurement.

6) Our Service

1. Guaranteeing quality inspection of each product before assembly and packing.

2. Any request from the clients would be treated carefully by our experienced staff, the quality of any order would be highly controlled by our skilled engineers.

3. The period of our rollers is one year, and we have a professional after-sale service team to solve your problems timely.

Our company is committed to offering customers with high-quality, safe Lower Roller for Hitachi Kh300-3 Crawler Crane at competitive prices, and creating satisfactory services for every customer. Our group members are goal to provides merchandise with significant performance cost ratio to our consumers, as well as target for all of us is usually to satisfy our consumers from all around the environment. The corporate style is the working atmosphere formed by the enterprise in the long-term production and operation activities, and it is the external manifestation of the internal quality of the enterprise.

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