PC100 PC130 Excavator Undercarriage Parts Komatsu Lower Track Roller
Excavator Undercarriage Parts Lower Track Roller for Komatsu PC100 PC130
Maximize the durability and stability of your Komatsu excavator with these premium PC100/PC130 lower track rollers, engineered to OEM specifications for Komatsu PC100 and PC130 series machines. As critical components of the undercarriage system, these rollers support the excavator’s weight, guide the track chain, and reduce friction during operation. Built with hardened steel and precision-sealed bearings, they withstand heavy loads, impact, and abrasive environments, ensuring long service life and minimizing downtime. Every roller undergoes rigorous quality testing to guarantee consistent performance in construction, mining, and earthmoving applications.
Core Selling Points
| Category | Parameter | Specification |
|---|---|---|
| General Information | Product Type | Lower track roller / supporting roller |
| Compatible Models | PC100, PC130 Excavators | |
| Condition | New aftermarket unit, 100% tested | |
| Certification | ISO 9001:2015 quality certified | |
| Warranty | 6-month comprehensive manufacturer warranty | |
| Construction & Material | Roller Body Material | High-strength alloy steel (40MnB) |
| Surface Hardness | HRC 55–60 (quenched and tempered) | |
| Shaft Material | 45# steel with induction hardening | |
| Bearing Type | Double-row tapered roller bearing | |
| Seal Type | Double lip oil seal | |
| Grease Type | High-temperature lithium-based grease | |
| Performance Parameters | Static Load Capacity | 35–40 kN |
| Operating Temperature Range | -30°C to 80°C | |
| Maximum Operating Speed | 6 km/h | |
| Wear Resistance | 3000+ hours service life under normal conditions | |
| Installation Specifications | Mounting Type | Direct bolt-on replacement |
| Center Distance | Matches OEM dimensions | |
| Roller Diameter | Matches Komatsu PC100/PC130 OEM specs | |
| Net Weight | ~12–15 kg per unit |
| Part Number | Status | Description & Compatibility |
|---|---|---|
| 203-30-00210 | Current Production | Official Komatsu factory-original track roller for PC100-5/6/7 and PC120-5/6 excavators |
| 203-30-00211 | Updated Production | Revised version with improved seal design, fully backward compatible with 203-30-00210 |
| 203-30-00212 | Superseded | Early production version for PC100-3/4 models, fully interchangeable |
| 203-30-00220 | High-Capacity Version | Reinforced heavy-duty variant for PC130-7/8 models |
| 203-30-00210-AS | Aftermarket Standard | Common aftermarket listing format for this roller |
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