Hitachi(YA60026928)ZX350-5G/280/330 carrier roller-OEM manufacture-carrier top rollers factory-excavator undercarriage part original factory
Product Specifications
Hitachi ZX350 Top Roller Specifications
Function: Supports the track chain, reduces wear on links and sprockets.
Type: Top roller (also called "upper roller" or "carrier roller").
OEM Part Number:
Standard Model:
YA60026928(verify with your serial number).Alternative Numbers: May vary by ZX280 sub-model (e.g., ZX330-5, ZX350-5, ZX350-6).
OEM vs. Aftermarket Options
| Option | Pros | Cons | Price Range (Est.) |
|---|---|---|---|
| OEM (Hitachi/Komatsu) | Perfect fit, longest lifespan | Expensive, longer lead times | 1,200 |
| Premium Aftermarket (Berco/ITR) | Near-OEM quality, lower cost | Slightly heavier/lighter | 800 |
| Budget Aftermarket (Generic) | Very cheap | Risk of premature failure | 500 |
3. Best Aftermarket Brands
Berco (Italy) – Top-tier, used by OEMs.
ITR America – Durable, reliable alternative.
Vema Track (Germany) – High-grade steel, ISO-certified.
TOPSTAR (China) – Best budget-friendly option.
5. Key Buying Tips
✔ Verify Serial Number (Critical for compatibility).
✔ Check Seals (Double-lip or labyrinth seals last longer).
✔ Compare Bolt Patterns (Ensure exact match).
6. Maintenance Advice
Inspect Weekly: Look for leaks, cracks, or uneven wear.
Lubricate (if applicable): Some rollers are greaseable.
Replace in Pairs: Avoid misalignment by changing both left/right rollers.
