This dozer master link serves as the critical connecting component for bulldozer track chains, responsible for assembling and locking the full track chain. Manufactured by ECHCO factory, our split master link features integrated forging combined with precision serrated locking design, delivering ultra-high tensile strength for demanding construction, mining, and earthmoving applications.
| Item | Technical Data |
|---|---|
| Raw Material | High Manganese Alloy Forged Steel (40Mn2 / 35MnB) |
| Surface Hardness | HRC 50-56 (Hardened Layer: 8-12mm) |
| Core Toughness | HRC 32-36 |
| Manufacturing Process | One-piece hot forging + CNC precision machining + dual heat treatment |
| Hole Tolerance | ±0.02mm for pin holes & connecting holes |
| Corrosion Protection | Epoxy anti-rust paint coating |
| Warranty | 12 months under normal working conditions |
| MOQ | 1 PC (Sample Trial Supported) |
| Bulldozer Brand | Compatible Models |
|---|---|
| For Komatsu | D60, D65, D70, D75, D80, D85, D155 |
| For CAT | D6R, D6G, D7G, D7H, D8K, D9N |
| For Shantui | SD13, SD16, SD22 |
ECHCO specializes in heavy machinery undercarriage parts manufacturing with over 10 years of industry experience. We maintain full production capabilities from forging and heat treatment to finishing processes. All products undergo 100% hardness and tensile testing before delivery, ensuring stable quality with competitive factory-direct pricing. We provide OEM and custom drawing services for non-standard master links.
Most standard parts have a low MOQ (small trial orders are acceptable). For customized or special-sized parts, MOQ is based on production requirements.
In-stock parts: 3-7 working days. Regular production: 15-25 working days. Bulk or customized orders: 25-35 working days (exact date confirmed after order confirmation).
Yes. We can supply samples for quality checking. Customers usually bear sample cost and freight.
Our products comply with international quality standards and pass strict inspection. We support third-party inspection (SGS, BV, etc.) before shipment.
We accept T/T, L/C, Western Union, etc. Flexible terms can be discussed for long-term partners.
Yes. We support OEM & ODM - custom size, material, logo, and specifications.
Standard export packaging: carton box, plywood case, or pallet. We can also customize packaging with your brand logo as required.
We support sea freight, air freight, express (DHL, FedEx, UPS, TNT), and door-to-door delivery. We can also ship to your designated forwarder or warehouse.
Yes. We provide full export documents: commercial invoice, packing list, bill of lading, certificate of origin, material test report, etc., to assist with smooth customs clearance.
