Excavator & Bulldozer Undercarriage Parts — Track Rollers, Idlers, Sprockets & More
Full range of OEM-grade excavator & bulldozer undercarriage parts — track rollers, carrier rollers, sprockets, idlers, track link assemblies, bucket bushes and pins. Model-matched and inspected before shipment.
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Product Details
Excavator & Bulldozer Chassis Components
Undercarriage (the “four wheels and one track” system) is the foundation of every crawler machine. We supply a full range of OEM-grade replacement undercarriage components — track rollers, carrier rollers, sprockets, idlers, track link assemblies, bucket bushes, bucket pins, link bushings, tooth pins and the supporting hardware — engineered to match the mounting geometry of leading excavator and bulldozer brands. Every batch is inspected before shipment.
| 10+ Categories | Excavator & Bulldozer | Genuine & OEM | Model Match | Pre-Ship Check |
Undercarriage Product Range
Eight core undercarriage component families for crawler excavators and bulldozers. Send your machine model or undercarriage part number for an exact match.
Application & Fitment
These undercarriage parts are engineered to match the mounting geometry, wear patterns and load ratings of the following crawler machine brands and families:
- Excavators: XCMG, SANY, LIUGONG, SHANTUI, ZOOMLION, SDLG, KOMATSU, CATERPILLAR, HITACHI, KOBELCO, HYUNDAI, DOOSAN, VOLVO, KATO, SUMITOMO, JCB, CASE.
- Bulldozers: SHANTUI, SHEHWA, CATERPILLAR, KOMATSU and other tracked dozer platforms. Track chains, segments, rollers and idlers available.
- Confirmation: provide machine model, serial number or undercarriage part number. We cross-reference OEM catalogs and drawings before quoting.
Build & Durability
Every undercarriage part is built and verified to keep your machine running to original specification:
- Forged and cast steel construction for high-impact, high-load service.
- Alloy grades such as 40Cr, 35MnB and 50Mn selected by function for strength and wear resistance.
- Heat treatment and induction hardening on tread surfaces, sprocket teeth, pin bores and bush contact areas.
- Sealed and lubricated rotating joints to keep dirt out and extend service intervals.
- Precision machining ensures correct interchangeability with OEM assemblies.
Common Undercarriage Failure Symptoms
Quality Options
Frequently Asked Questions
Send your machine model, serial number or undercarriage part number. We match the right track rollers, idlers, sprockets, track chains and bucket pins, then quote within 24 hours.
