Premium Undercarriage Parts for Heavy Duty Bulldozer

Compatible with Cat D4 VP, Cat D5 VP, Cat D3, John Deere 700L, Komatsu D51PXI-24 and more.

Track rollers, top rollers, idler, sprockets, dozer track — precision-built for bulldozers and crawler tractors, that deliver unmatched reliability in mining and government-grade operations.

Fulian’s 40-Year Legacy in Undercarriage Manufacturing

Fulian Machinery Co., Ltd. brings 40+ years of expertise in manufacturing heavy-duty undercarriage parts.

Our full-range compatible bottom rollers, top rollers, sprockets, idlers, and track groups fit all dozers, delivering superior durability and performance for demanding mining and infrastructure projects.

Certified by ISO9001, ISO14001, and TS16949, Fulian delivers stable quality, global logistics, and flexible OEM/ODM services.

Our Story: From Precision to Performance

Since the 1980s, Fulian has grown from local OEM production to global supply by focusing on quality and stability.
With full in-house capabilities—design, casting, machining, and heat treatment in ISO-certified facilities—we ensure fast, reliable support for mining and government projects.

Our Mission: To extend your machine’s uptime with consistent, honest parts supply. Fulian is more than a factory—we’re your long-term partner.

Carlos Ramirez
Carlos RamirezMaintenance Manager, Andes Copper S.A. (Chile)
“We use over 10 TD-25M dozers in our northern Chile copper mines. Fulian’s double flange rollers and track groups deliver outstanding wear life and save us thousands in unplanned downtime.”
Elena Santos
Elena SantosProject Engineer, DPWH Regional Office (Philippines)
“For our TD-20M fleet used in road and flood control projects, Fulian sprockets and idlers have proven to be extremely reliable—stable quality and seamless fit.”
Dean Mitchell
Dean MitchellSite Supervisor, Redrock Quarry Ltd. (Australia)
“After fitting Fulian undercarriage parts to our TD-16Ns, we immediately noticed smoother operation and longer service intervals. Packaging and shipping were top-notch.”
Anna Vítková
Anna Vítková Undercarriage Product Manager, EuroTrak CZ (Czech Republic)
“We stock Fulian parts for TD-15 and TD-25 bulldozers. Clients across Central Europe trust their consistency. We’ve had zero warranty issues over two years.”
James Kalumba
James KalumbaTechnical Director, Mwana Gold Mine (Zambia)
“The TD-60M machines at our site operate in abrasive gold-rich soil. Fulian chains and sprockets outperform local suppliers by a wide margin—excellent longevity.”
Tyler Scott
Tyler ScottFleet Coordinator, Northland Equipment Rentals (Canada)
“We maintain a mixed fleet including TD-16N and TD-20M dozers. Fulian undercarriage parts integrate perfectly and reduce maintenance costs across the board.”

Dozer Undercarriage Components We Offer

Sprockets

Segmented sprockets and sprocket with precision-machined teeth for smooth, wear-resistant power transfer.

Compatible with all series of bulldozers; easy to install, easy to replace.

Bottom Rollers

Our bottom rollers are forged, heat-treated, and fully sealed to handle high-load, abrasive working conditions.

We offer both Double Flange (DF) and Single Flange (SF) configurations to match various dozer chassis setups of all series.

Idlers

Engineered to stabilize track motion and absorb vibration.

Fulian Dozer idlers use thickened webs and balanced centers to maintain track tension and reduce wear on rollers and chains.

Carrier Rollers

Carrier rollers guide the upper track and maintain system alignment.

Fulian provides both DF and SF designs with sealed bearing technology, engineered for maximum uptime in dusty or wet terrain.

Track Group

Our track groups include both track chains and track shoes, manufactured to high standards for maximum durability.

Designed to fit all dozers of all series, they are available in sealed or lubricated types with options for various terrains and custom configurations.

Other Spare Parts

In addition to core undercarriage parts, we offer a wide range of spare parts and accessories for dozers of all series.These include travel motors, cutting edges, side cutters, boom cylinders, and hardened pins and bushings—all built to support heavy-duty maintenance and field repair needs.

Cat D4 VP
Municipal engineering and small-scale earthwork
Cat D5 VP
Road works and medium-sized earthworks
Cat D3 LGP
Wetland engineering and soft soil foundation construction
John Deere 700L
Infrastructure and large-scale land development projects
Komatsu D51PXI-24
Detailed construction projects and large-scale site leveling projects

We offer a complete chassis package for all series and traditional bulldozers, achieving OEM-level compatibility, including custom fleet requirements.

Fulian helps solve common challenges like downtime, high repair costs, and hard-to-source parts—especially for older or mixed-model machines. Our precisely engineered components ensure long-lasting performance and reliable operation.

SeriesModels
TD5TD5
TD6TD6, TD6B
TD7TD7, TD7C, TD7E, TD7ELGP, TD7G, TD7H, TD7HLGP
TD8TD8, TD8B, TD8C, TD8E, TD8ELGP, TD8G, TD8GLGP, TD8GLT, TD8H, TD8HLGP, TD8R, TD8S
TD9TD9, TD9BG, TD9BGA, TD9BGC, TD9BGS, TD9BP, TD9H, TD9HLGP, TD9R, TD9S
TD10TD10R
TD12TD12, TD12LGP, TD12C, TD12CXP
TD14TD14A
TD15TD15, TD15B, TD15B G, TD15B GA, TD15B GF, TD15B GS, TD15B P, TD15B PS, TD15C, TD15C LGP, TD15E, TD15E LGP, TD15E P, TD15E U, TD15M, TD15MHS, TD15MLA
TD16TD16N
TD20TD20, TD20B P, TD20B PS, TD20C, TD20C S, TD20E, TD20E LGP, TD20G, TD20G LGP, TD20G P, TD20G U, TD20M, TD20MLA, TD20R
TD24TD24
TD25TD25, TD25B, TD25B G, TD25B P, TD25B T, TD25C, TD25E, TD25G, TD25G PO, TD25G UO, TD25GUG, TD25M, TD25MLA, TD25R
TD30TD30
TD340TD340, TD340A
TD40TD40, TD40B, TD40B PO, TD40B UO, TD40E, TD40R
TD60TD60M

Need other brands of Dozer parts? Look here!

Fulian not only manufactures undercarriage parts for Dresser and Dressta dozers, but also supplies leading brands like Caterpillar (CAT), Komatsu, John Deere, Shantui, and Liebherr. With proven export experience and ISO-certified production, we ensure stable delivery to contractors and dealers worldwide.

Our range includes bottom rollers, carrier rollers, track chains, track shoes, sprockets, and idlers for the world’s most popular bulldozers. From a CAT D6 Bottom Roller to a Komatsu D155AX Sprocket or Dressta TD25G Idler, Fulian delivers durable parts built for mining, construction, and government projects.

Contact us today to request your quote and get your free parts catalog!

Popular Bulldozer Models & Key Undercarriage Parts

BrandPopular ModelsKey Parts
CaterpillarD3, D4H, D5K, D6T, D7R, D8R, D9TBottom Rollers, Carrier Rollers, Sprockets, Idlers, Track Shoes
KomatsuD31PX, D37PX, D65EX, D85EX, D155AX, D275ATrack Chains, Track Shoes, Idlers, Rollers, Sprockets
John Deere450J, 550K, 650K, 750K, 850K, 1050KBottom Rollers, Track Groups, Idlers, Sprockets
DresstaTD8H, TD9H, TD15M, TD20E, TD25G, TD40EIdlers, Carrier Rollers, Track Shoes, Track Chains
ShantuiSD16, SD22, SD32, SD52Track Assemblies, Rollers, Idlers, Sprockets
LiebherrPR724, PR734, PR744, PR754Track Groups, Idlers, Rollers, Shoes

Why Global Contractors Choose Fulian

Fulian's High Standards

We deliver over 2 million parts annually, operate 3 advanced production lines, and serve clients in over 60 countries. Our in-house foundry, precision CNC machining, and certified QC systems ensure you get quality you can trust.

✔ ISO9001, ISO14001, TS16949 Certified

✔ 40+ Years of Focused Experience

✔ Dedicated Export and Logistics Support

Fulian's High Quality Dozer Parts

Internal Components: Precision-engineered seals, bearings, dual-metal bushings, and shafts designed for durability.

Strict OEM Compliance: All parts manufactured strictly following original equipment manufacturer standards.

Advanced Casting & Welding: High-quality alloy steel casting with controlled heat treatment and precise multi-axis welding.

Sealing Solutions: Complex floating oil seals with dual anti-pull design ensure long-lasting protection against dirt and moisture.

Stop guessing. Start choosing with confidence—contact us and get your free, full-range dozer parts catalogue today!

Industries We Proudly Serve

Mining Contractors

Serving open-pit, copper, and quarry operations worldwide.

Government Projects

Trusted by agencies for road, dam, and site development.

Rental Fleets​

Bulk undercarriage solutions for high-rotation fleets.

Equipment Dealers

Support for resale, servicing and aftermarket solutions.

Inquire and get a discount

Need more than Dresser parts? We also supply CAT, Komatsu, Liebherr, and more.

Submit your quote request now and let Fulian help you stay running longer, stronger, and smarter.

Get a Free Catalog And Special Discounts When You Request a Quote Now!

 © 2025 Fulian Machinery Co., Ltd.  www. dozerpart.com All rights reserved. | Picture For use only. Not affiliated with Dressta or Caterpillar etc. brands.

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