Factory Direct Track Bottom Roller Supply for Your Business

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Track Roller for D8T 246-0775/246-0779

Track Roller for D8T 246-0775/246-0779

We supply D8T Track Roller 246-0775/246-0779 directly from Quanzhou Qiansheng Heavy Industry Machinery Co., Ltd., a source factory specialized in excavator and bulldozer undercarriage parts. Built for CAT D8T heavy-duty working conditions, this roller ensures stable track alignment, reduced wear, and longer service life in mining and earthmoving operations.
Track Roller for Komatsu PC400 208-30-00210

Track Roller for Komatsu PC400 208-30-00210

As a direct manufacturer from Quanzhou Qiansheng Heavy Industry Machinery Co., Ltd., we supply Track Roller for Komatsu PC400 208-30-00210 with OEM-level precision and proven field durability. Designed for 40-ton excavators in mining and earthmoving, it delivers stable undercarriage support, extended service life, and reduced maintenance cost. Buyers looking to replace worn rollers or source bulk undercarriage parts can rely on our factory-direct quality, strict inspection, and fast global delivery support.
Track Roller for Komatsu D155A 175-30-00496

Track Roller for Komatsu D155A 175-30-00496

TheTrack Roller for Komatsu D155A 175-30-00496 is engineered for extreme mining, quarrying, and heavy earthmoving applications. Designed for continuous load and harsh terrain, this ensures stable undercarriage performance and long service life. Manufactured by Quanzhou Qiansheng Heavy Industry Machinery Co., Ltd., this Komatsu D155A roller is built to maintain durability under high impact and abrasive working conditions.
Track Roller for Volvo EC210 SA1181-00010

Track Roller for Volvo EC210 SA1181-00010

Looking for a reliable replacement Track Roller for Volvo EC210 SA1181-00010? Quanzhou Qiansheng Heavy Industry Machinery Co., Ltd. supplies factory-direct undercarriage parts engineered for demanding excavation, quarry, and mining applications. Our heavy-duty track roller features forged alloy steel construction, deep heat treatment, stable sealing performance, and OEM-level dimensional accuracy, helping buyers reduce downtime, lower maintenance costs, and improve machine stability in harsh working conditions.

What is a Track Bottom Roller and Why It Matters

A Track Bottom Roller is one of the most critical undercarriage components supporting the machine weight and guiding the track chain during movement. It carries constant impact from rough ground, heavy load pressure, and long working hours.

In real applications such as mining sites or stone quarries, inferior rollers often lead to:

  • Uneven track wear
  • Oil leakage from seals
  • Roller cracking under impact
  • Machine downtime and higher maintenance cost

Our Manufacturing Experience

We have been producing undercarriage parts for many years in Quanzhou, a major manufacturing base for construction machinery parts in China. Our production system is built around real industrial requirements, not laboratory conditions.

For Carrier Roller production, we control every key process internally:

  • Forging of roller shell for high strength structure
  • CNC machining for precise tolerance control
  • Heat treatment to improve wear resistance and hardness balance
  • Assembly with strict sealing system installation
  • Final inspection under load simulation conditions

Each Track Bottom Roller is tested before delivery to ensure it can perform in continuous heavy-duty operation.

Why Our Track Bottom Roller Performs Better in Real Work Conditions

Many buyers compare only price, but experienced contractors focus on lifespan and failure rate.

Compared with common market products, our Track Bottom Roller offers:

1. Stronger wear resistance

We use optimized heat treatment process to ensure the roller surface maintains hardness while the inner structure remains tough, reducing cracking risk.

2. Better sealing system

Oil leakage is one of the most common failure reasons in undercarriage parts. Our sealing structure is designed for long working hours in dusty and muddy environments.

3. Stable load performance

Our rollers are designed to carry continuous heavy load without deformation, suitable for mining and rocky ground conditions.

4. Longer service life

Based on feedback from long-term customers, our Carrier Roller generally performs longer than standard market versions under the same working conditions.

Application Experience from Real Projects

Our Track Bottom Roller is widely used in:

  • Excavators working in mining areas
  • Bulldozers used in land leveling and road construction
  • Quarry operations with high impact load
  • Infrastructure and earthmoving projects

Many of our long-term customers operate machines in harsh environments such as the Middle East, Southeast Asia, and South America, where high temperature, dust, and heavy load conditions are common. Product stability under these conditions is one of the reasons they continue cooperation with us.

OEM and Compatibility Advantage

We supply Track Bottom Roller compatible with many well-known machinery models. Our production supports both standard specifications and OEM customization.

We work with customers who require:

  • Exact dimensional matching
  • Brand-specific undercarriage replacement parts
  • Custom hardness and sealing requirements

This flexibility allows dealers and distributors to reduce inventory pressure while maintaining wide model coverage.

Quality Control You Can Verify

We believe product reliability must be traceable and measurable. 

  • Dimensional inspection
  • Hardness testing after heat treatment
  • Sealing performance check
  • Rotation smoothness test
  • Random batch sampling for durability control

Quality records are maintained for each batch, allowing customers to trace production consistency.

Service Support from Factory Direct Supply

As a manufacturer, we provide direct support without unnecessary middle steps.

Before sales:

We help customers confirm correct Carrier Roller specifications based on machine model and working environment.

During production:

We provide updates on manufacturing progress and shipment planning.

After shipment:

We support installation guidance and handle replacement issues for quality-related problems.

Our goal is to reduce downtime for end users and improve equipment operating efficiency.

Why Customers Choose Us for Track Bottom Roller Supply

Customers continue working with us not only because of the product, but because of stability in long-term supply:

  • Consistent production quality control system
  • Experience in exporting undercarriage parts globally
  • Stable lead time for bulk orders
  • Strong technical understanding of excavator and bulldozer undercarriage systems
  • Real manufacturing background in Quanzhou industrial base

We do not position ourselves as a trading company. We operate as a manufacturer focusing on undercarriage systems.

Request a Free Quote Now

Fill in the form below and we will reply within 12 hours

Frequently Asked Questions

What is the minimum order quantity (MOQ)?

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Our MOQ is 1 piece for sample orders, and we support bulk orders with flexible quantities. Contact us to discuss your specific needs.

What is the lead time for bulk orders?

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Standard lead time is 15-30 days depending on order quantity and customization requirements. We will confirm the exact timeline when you place your order.

Do you provide OEM/ODM service?

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Yes, we fully support OEM/ODM customization. We can produce rollers according to your drawings, specifications, and brand requirements. Please share your design with us.

How do you guarantee product quality?

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We have a complete QC system covering all stages: raw material inspection, forging process control, heat treatment testing, CNC machining precision check, final assembly and load testing. Each batch is traceable.

What is your warranty policy?

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We offer a 12-month warranty against manufacturing defects. If any quality issues occur during normal use, we will provide free replacement or repair according to the warranty terms.

Which brands/models are your rollers compatible with?

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Our track bottom rollers are compatible with major brands including Hitachi, CAT, Komatsu, Volvo, Doosan, Hyundai, Kobelco, Sumitomo, and Sany. Please provide your machine model and OEM number for exact matching.
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