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TAB® KOMATSU Undercarriage Part Idler PC300
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TAB® KOMATSU Undercarriage Part Idler PC60
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TAB® KOMATSU Undercarriage Part Idler PC40
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TAB® HITACHI Undercarriage Part Idler ZX450
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TAB® HITACHI Undercarriage Part Idler EX300
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TAB® HITACHI Undercarriage Part Idler EX35
Truck Parts and Undercarriage Parts for Global B2B Buyers
Fujian Tianzhong Machinery Technology Co., Ltd. supplies truck components and construction machinery undercarriage parts for distributors, aftermarket suppliers, fleet maintenance providers, and equipment-related businesses. With over 20 years of industry experience, more than 1,300 component varieties, and an annual production capacity of 5 million units, we support a broad range of replacement part and bulk purchasing requirements.
Our two brands serve distinct product segments. TRC® specializes in truck parts, including rubber engine mounts and suspension components. TAB® focuses on undercarriage parts for excavators and bulldozers, covering rollers, track link assemblies, and related components. Buyers can browse the catalog by product type, equipment model, or OEM reference to identify suitable parts for their markets.
Two Product Categories for Different Equipment Needs
TRC® Truck Parts
TRC® provides components for heavy-duty trucks and commercial vehicles, supporting aftermarket replacement, fleet maintenance, and distributor supply programs. The product range covers engine mounting, torque rod bushings, king pin kits, tie rod ends, copper bushings, and center bearings.
- Engine Mounting: Rubber and metal components designed to support the engine and isolate vibration.
- Torque Rod Bush: Suspension bushings and related torque rod assemblies for managing movement and impact within truck suspension systems.
- King Pin Kit: Steering-related replacement components for compatible truck applications.
- Tie Rod End: Steering linkage components for designated commercial vehicle models.
- Copper Bush: Metal bushings for specified mechanical and truck applications.
- Center Bearing: Driveline support components for compatible vehicle configurations.
Browse our TRC® truck parts catalog to compare available product types and identify parts for your vehicle applications.
TAB® Undercarriage Parts
TAB® supplies undercarriage components for crawler excavators, bulldozers, and other compatible tracked machinery. The range supports replacement and maintenance requirements in construction, earthmoving, quarrying, and mining applications.
- Idler Roller: Guides the track and supports proper track alignment.
- Track Roller: Supports machine weight through the lower track assembly.
- Track Link Assembly: Connects the track chain components and supports continuous track movement.
- Sprockets and Segments: Transfer drive force to the track chain.
- Top Roller: Supports the upper track chain and helps control its movement.
Visit our TAB® undercarriage parts catalog to browse components by type and equipment reference.
Find the Right Part for Your Application
Selecting a suitable component starts with confirming the equipment and its original configuration. Product names alone may not identify every fitment detail, especially when different machine generations use different dimensions or part references.
For truck parts, prepare the vehicle make, model, year where applicable, and OEM or reference part number. For undercarriage parts, provide the machine make, model, serial number where available, and the relevant OEM number or component dimensions.
If you are replacing an existing component, clear photos of the part, identification markings, and mounting points can help our team review the requirement. For recurring purchases, a part-number list with estimated quantities is useful for building a consistent sourcing plan.
About Tianzhong Machinery
Tianzhong Machinery has been a leading player in automotive and mechanical rubber-damping products for over 20 years. With its dual brands, TRC® and TAB®, the company integrates R&D, production, and sales to provide global B2B clients with reliable OEM-quality truck parts and undercarriage components. Our advanced manufacturing capabilities, strict quality management, and bulk order capacity make Tianzhong a trusted partner for distributors, OEMs, and equipment dealers worldwide.
Bulk Orders and OEM Cooperation
Tianzhong Machinery works with B2B customers purchasing replacement parts for distribution, maintenance, and equipment-related supply programs. Requirements can be discussed according to product type, part reference, order quantity, packaging needs, and destination market.
For repeat orders, buyers can submit a consolidated parts list to simplify product identification and quotation. For OEM or customized projects, provide the available drawings, samples, technical specifications, or reference numbers so that feasibility and applicable production requirements can be reviewed before an order is confirmed.
Request a Product Quotation
To help us prepare an accurate quotation, please include the following information where available:
- Product category, name, and OEM or reference part number
- Equipment or vehicle make and model
- Required quantity per item and estimated annual demand, if applicable
- Drawings, dimensions, photos, or samples for identification
- Packaging, labeling, or branding requirements
- Destination country and preferred shipping terms
Our team can review the information, confirm the details that require further verification, and advise on the next steps for pricing and order arrangements.








