Place of Origin:
China
Brand Name:
Komatsu
Model Number:
PC100 / PC130
Excavator Undercarriage Parts Carrier Roller for Komatsu PC100 PC130
Enhance the track stability and service life of your Komatsu excavator with this high-quality PC100/PC130 carrier roller. As a critical upper-track support component, this roller guides the top track chain, prevents excessive sagging, and reduces friction during operation. Manufactured to meet or exceed OEM specifications, it is built to withstand heavy loads, impacts, and abrasive conditions, ensuring reliable performance in construction, mining, and earthmoving applications. Every unit undergoes rigorous quality testing to guarantee long-lasting service and minimal downtime.
| Category | Parameter | Specification |
|---|---|---|
| General Information | Product Type | Track carrier roller (top roller) |
| Compatible Models | Komatsu PC100, PC130 Excavators | |
| Condition | New aftermarket unit, 100% tested | |
| Certification | ISO 9001:2015 quality certified | |
| Warranty | 1-year 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 | 20–25 kN |
| Operating Temperature Range | -30°C to 80°C | |
| Maximum Operating Speed | 6 km/h | |
| Service Life | 3000+ hours under normal working conditions | |
| Installation Specifications | Mounting Type | Direct bolt-on replacement |
| Center Shaft Length | Matches OEM specifications | |
| Outer Diameter | Matches Komatsu PC100/PC130 OEM dimensions | |
| Net Weight | ~8–10 kg per unit |
| Part Number | Description & Compatibility |
|---|---|
| 203-30-00150 | Official factory-original carrier roller assembly for PC100-3/5/6, PC120-5/6, and PC130-6/7 excavators. Matches your product exactly. |
| 2033000150 | Simplified format, identical to 203-30-00150 |
| 203-30-00120 | Early production version, fully replaced by 203-30-00150, 100% interchangeable |
| 2033000120 | Simplified format, identical to 203-30-00120 |
| 203-30-53001 | 2020+ revised version with improved seal design, fully backward compatible |
| 2033053001 | Simplified format, identical to 203-30-53001 |
| KM2794 | Common aftermarket listing number for this roller |
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