Yantai Orient

Name: Yantai Orient
Address: No 16 Gangcheng East Street, High-tech Zone, Yantai City, Yantai, 264000, CN
Telephone: +865356762198

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Yantai Orient

Professional Machinery Undercarriage Parts Manufacturer (drilling rig, piling rig, crawler crane, mining excavator, mining dozer)

30/04/2026

Happy Labor Day!

Thank you to all workers, partners, and customers for your trust and support. Wishing you a happy and rewarding May Day!

24/04/2026

A new batch of high-quality undercarriage parts for piling rigs has arrived at our warehouse. All items are strictly inspected, ensuring reliable performance and durability.
This restock improves the availability of popular models and supports faster delivery. With organized storage and efficient handling, your orders move more quickly.
Stock is ready—contact us today to secure your supply!

21/04/2026

New stock has arrived at our warehouse.

Fresh inventory of high-quality undercarriage parts is now ready to support fast delivery and reliable supply for our global customers.

Strong stock, stable supply, faster response. Contact us for your requirements.
Email: [email protected]
WhatsApp: 175 6116 1909

10/04/2026

Warmly welcome our valued customers to visit our factory, strengthen cooperation, and explore long-term partnership opportunities together.

14/03/2026

Another successful shipment is on the way!
We are proud to deliver high-quality undercarriage components, including track groups for Komatsu PC450LC-6K and track chains for Sandvik D75KS, ready to support demanding mining and construction operations.
Our products are manufactured with premium materials and advanced heat treatment processes to ensure excellent durability, wear resistance, and reliable performance even under harsh working conditions. With a complete certification system and strict quality control at every stage of production, we are committed to delivering dependable solutions our customers can trust.
Behind every shipment is our professional service team, providing efficient communication, technical support, and reliable delivery to meet the needs of global customers.

06/03/2026

Happy International Women’s Day!

Today, we celebrate the amazing women on our team who bring passion, strength, and positivity to our workplace every single day. Your dedication and hard work truly make a difference.

To make the day a little sweeter, we prepared delicious cakes and beautiful Phalaenopsis orchids for the wonderful women in our company — a small surprise to say thank you for everything you do!

May your day be filled with joy, appreciation, and beautiful moments. Wishing all women around the world a very happy Women’s Day!

16/02/2026

Happy Chinese New Year

13/02/2026

Another order completed. From machining to final inspection, every component reflects our commitment to quality and reliability.

Designed for extended service life and optimal performance, these parts are a direct investment in reducing your total cost of ownership and maximizing productivity on site.

Details: XCMG XR150DII idler, track Adjuster.

10/02/2026

In this instalment, we shall provide a detailed account of the track roller.

The drilling rig's weight is transmitted to the ground via the track rollers. During operation, uneven ground causes frequent impacts, subjecting the rollers to substantial loads. Operating in harsh conditions—often immersed in dust or muddy water—requires reliable sealing. Sliding bearings are predominantly used, protected by floating oil seals against dust ingress. The standard-compliant structure, as illustrated, employs a straight-shaft configuration. This design offers simplicity and favourable manufacturability. The track roller shaft (1) is non-rotating, secured to the track frame via end bearings (8). The roller body (2) is fabricated from two welded sections, featuring a fl**ge at the rim that grips the track plate to prevent lateral disengagement during operation. A sleeve bearing (3) is press-fitted inside the track roller. This dual-metal sleeve offers high wear resistance and strength. Floating oil seals are fitted at both ends of the shaft. These floating seals are simple in structure yet provide effective end-face sealing. Each consists of two identical metal floating rings (6) and two floating rubber sealing rings (7), with an O-ring fitted to each seal ring. The stationary seal ring is fixed within the groove of the shaft housing 8, while the other seal ring is mounted within the track roller groove, rotating with the wheel. When the rotating components are compressed, the O-ring deforms under pressure, ensuring the end faces of both seal rings remain in constant contact to achieve sealing. Lubricating oil is introduced through the plug hole at the centre of the track roller. This arrangement not only lubricates the friction surfaces between the shaft and bushing but also lubricates the end faces of the floating seal rings, while simultaneously preventing ingress of contaminants such as water and dust. This end-face oil seal provides excellent sealing performance and extended service life, typically requiring no replenishment during a major overhaul period. Consequently, routine maintenance requirements are significantly simplified.

06/02/2026

What are the Main Parts of a Tracked Undercarriage?
The track group serves to transfer the weight of tracked machinery to the ground while ensuring sufficient driving force is generated. Track groups frequently operate in muddy, uneven terrain and stony soil, enduring harsh conditions and uneven stress distribution, making them prone to wear. Consequently, besides requiring excellent traction, the track group must possess sufficient strength, rigidity, and wear resistance, while remaining as lightweight as possible.
The track group serves to transfer the weight of tracked machinery to the ground while ensuring sufficient driving force is generated. Track groups frequently operate in muddy, uneven terrain and stony soil, enduring harsh conditions and uneven stress distribution, making them prone to wear. Consequently, besides requiring excellent traction, the track group must possess sufficient strength, rigidity, and wear resistance, while remaining as lightweight as possible.
Track groups come in two forms: monocoque and modular. Monocoque track group features interlocking teeth on the track plate that directly engage with the drive sprocket, with the plate itself serving as the rolling surface for idler wheels and other components. This design offers poor wear resistance. Currently, the modular track group predominates. These comprise track plates, track links, pins, and bushings. Left and right track links connect tightly with bushings, while pins insert into bushings with controlled clearance to ensure rotational flexibility at joints. Both ends of the pins engage snugly with the corresponding holes in adjacent track links. To secure the track, the pins fit loosely within the track link holes, facilitating overall installation and removal. This configuration offers a small pitch, good flexibility, and relatively high travel speeds. The pins and bushings possess high hardness, wear resistance, and extended service life. Track pitches are now standardised. Track plate designs vary widely; standards mandate the use of rolled track plates, which are lightweight, high-strength, structurally simple, and cost-effective.
Track plates come in single-rib, double-rib, and triple-rib varieties. Single-ribbed track plates possess higher rib strength, readily penetrating the ground to generate substantial traction force, and are primarily employed on bulldozers. Double-ribbed track plates, being slightly shorter, facilitate easier steering and offer improved track plate rigidity; they are specified for use on loaders. Triple-ribbed track plates also feature short ribs; the increased number of ribs enhances both the track plate's rigidity and strength, providing greater load-bearing capacity, and they are designated for use on excavators. Each three-rib track plate features four connecting holes and two mud-clearing holes centrally positioned. When the track links pass over the drive wheel, the wheel teeth automatically dislodge accumulated mud from the links. Adjacent track plates incorporate overlapping sections to prevent high stresses caused by stones becoming trapped between them. Additionally, specialised triangular-section track plates are designed for operation on marshy, soft ground.

03/02/2026

Precision-made Epiroc L8 Undercarriage Parts, secure packaging, and fast dispatch. Another shipment completed!

Chain Guide, Sprocket, Bolts, Nuts etc.

Yantai Orient specializes in producing undercarriage parts, for drilling rig, mining excavator and mining bulldozer. Available brands such as Bauer, Soilmec, Liebherr, Hitachi, Doosan, CAT, Komatsu, etc.

If you are interested , welcome to contact us for more details.
Email: [email protected]
WhatsApp: +86-17561161909

Our website:
https://drillingtrackparts.com/
https://www.heavyindustryparts.com/

If you are interested, welcome to contact us for more details.r drilling rigs, mining excavator and mining bulldozers. Available brands such as Bauer, Soilmec, Liebherr, Hitachi, Doosan, CAT, Komatsu, etc..

Address

No 16 Gangcheng East Street, High-tech Zone, Yantai City
Yantai
264000

Telephone

+865356762198

Website

https://ytrtzg.en.alibaba.com/?spm=a2700.shop_pl.88.11, https://drillingtrackparts.com/, https://heavyindustryparts.com/

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