Track Undercarriage Factory|Wholesale Track Undercarriage|Track Undercarriage Parts|Shengde Machinery

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盛德机械

拥有1600/1000吨精压机、数控钻床、数控龙门铣床、数控大型折弯机、进口加工中心、数控车床、热处理中频机、半自动装配线、喷漆线等200台各种尺寸的精密加工机床和先进的检测设备。

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Experience & Facilities

26 +

years experience

200 +

sets equipments

40000 +

㎡ production base

Complete Track Undercarriage

Sprocket (Drive Wheel)

Idler (Tension Wheel)

Top Roller (Carrier Roller)

Bottom Roller (Track Roller)

Track Chain (Track Link Assy)

Track Shoe (Track Plate)

Track Group (Track Assembly)

Track Adjuster (Tensioner)

Travel Motor (Final Drive)

Rubber Track

Bushes & Pins

Bolts & Nuts

Complete Track Undercarriage

Tracked undercarriage of a machinery decides the travel performance and operation stability. We design and produce complete tracked undercarriages for various machineries including excavator, dozer, loader, crane, crusher, screener, drilling rig, skid steer, forest and logging machine. Strict and rigorous quality standards ensure that the customers receive high quality chassis frames and durable track undercarriages.

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Sprocket (Drive Wheel)

The hydraulic power of an excavator engine is transmitted to the track through travel motor and the sprocket(driving wheel) bolted on it. As the connection between track chain and travel motor, sprockets must be of correctly size match and highly strength performance. The general hardness is also vital in dealing with long-term wear and tear.

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Idler (Tension Wheel)

The idler, also known as the tension wheel, works together with the track adjuster to guide the track chain and maintain proper track tension. Positioned at the front of the undercarriage, it helps reduce vibration and prevents track derailment during operation. As a key load-bearing and guiding component, the idler must feature high structural strength, excellent wear resistance, and precise dimensional accuracy to ensure smooth travel and long service life under harsh working conditions.

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Top Roller (Carrier Roller)

The top roller, also known as the carrier roller, is designed to support and guide the upper track chain during machine operation. By maintaining proper track alignment, it reduces vibration and prevents track deviation. Manufactured with high-quality materials and precision machining, carrier rollers require excellent wear resistance and reliable sealing performance to ensure stable operation and extended service life.

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Bottom Roller (Track Roller)

Bottom rollers, or track rollers, bear the main weight of the machine and support the track chain while traveling. They play a critical role in distributing loads evenly and ensuring smooth movement on various terrains. High load capacity, superior wear resistance, and effective sealing are essential for track rollers to perform reliably under heavy-duty and long-term working conditions.

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Track Chain (Track Link Assy)

The track chain assembly forms the core structure of the undercarriage system, directly contacting the ground and transmitting traction force. It is composed of track links, pins, bushings, and other components working together to ensure strength and flexibility. Precise heat treatment, high tensile strength, and excellent wear resistance are crucial to withstand continuous impact, abrasion, and harsh environments.

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Track Shoe (Track Plate)

Track shoes, also known as track plates, are the components that directly contact the ground and provide traction for the crawler undercarriage system. Bolted onto the track chain, they transfer machine weight and driving force to the working surface, ensuring stability and mobility under various operating conditions. Proper shoe design, accurate fitment, and high wear resistance are essential to achieve strong traction, reduced ground damage, and long service life in demanding environments.

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Track Group (Track Assembly)

The track group, also known as the track assembly, is a complete traveling system composed of track chain, track shoes, pins, bushings, and related components. It transmits driving force from the travel motor to the ground while supporting the machine’s weight during operation. Precise assembly, correct dimensional matching, and high-strength materials are essential to ensure smooth movement, strong traction, and reliable performance under heavy-duty working conditions.

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Track Adjuster (Tensioner)

The track adjuster, also known as the tensioner, is responsible for maintaining proper track tension by working in conjunction with the idler. It compensates for track wear and absorbs shocks during operation, helping to improve stability and prevent track derailment. A reliable track adjuster must feature robust structural strength, smooth adjustment performance, and long-lasting sealing to ensure consistent operation.

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Travel Motor (Final Drive)

The travel motor, also known as the final drive, converts hydraulic power into torque to drive the crawler undercarriage. Mounted on the track frame and connected to the sprocket, it provides the driving force required for machine movement. High torque output, stable performance, and durable sealing are critical to ensure reliable operation in harsh environments and long service life under continuous load.

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Rubber Track

Rubber tracks are flexible track systems designed for compact machines and applications requiring low ground damage and reduced noise. By combining high-strength steel cores with wear-resistant rubber, they provide smooth travel, good traction, and improved operator comfort. Accurate sizing, strong bonding strength, and excellent resistance to wear and tearing are essential to ensure durability and consistent performance in various working conditions.

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Bushes & Pins

Bushes and pins are key connecting components within the track chain assembly, allowing the track links to articulate smoothly during operation. They bear continuous impact, friction, and high loads while ensuring proper track movement. High surface hardness, precise heat treatment, and excellent wear resistance are crucial to reduce elongation, minimize maintenance, and extend the overall service life of the undercarriage system.

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Bolts & Nuts

Bolts and nuts are essential fastening components that secure all undercarriage parts firmly in place. They ensure structural integrity and safe operation under continuous vibration and heavy loads. High-strength materials, precise threading, and proper heat treatment are critical to prevent loosening, deformation, or failure during demanding working conditions.

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SHENGDE MACHINERY

Track undercarriage expert

Since 1999, Shengde machinery has been committed to R&D and manufacture of complete track undercarriages for various crawlers. Company is the official supplier of many OEMs including Sany, Zoomlion.

Products lineups:

- Complete track undercarriage, track chassis

- Steel track group, track chain and track shoe

- Sprocket(drive wheel), idler(tension wheel), rollers(top roller, bottom roller)

- Idler bracket, track link, track shoe, bushing, pin, bolt and nut

- Chassis frame, travel motor(final drive), swing motor, track adjuster

- Rubber track, rubber pad

Annual production volume: 20000 sets of track chassis

Why choose us?

Customer value is our core. We apply material inspection and performance test to ensure quality. Self-owned production line keeps us flexible for the specific demands. As the official supplier of many OEMs, we've been through hundreds of projects. Rich experience guarantee the product performance in your real field applications.

Material inspection and performance test

Materials are selected base on quality and performance analysis. We also routinely implement performance test for every batch of products before shipment.

Authorized supplier of OEMs

ShengDe Machinery has built long-term cooperation with many OEMs. We are now the authorized tracked undercarriage supplier of Sany Group and Zoomlion Heavy Industry.

Complete self-owned production line

From forging → machining → heat treatment → finishing → assembling → painting → packaging. Every step is under control, every step is adjustable for actual demand.

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