D7R Track Link Group – Caterpillar D7R Bulldozer Undercarriage Track Chain (Part No.115-6310)
Compatible OEM Part Numbers
115-6310, 1156310, 115-6309, 1156309
Product Introduction
This heavy-duty sealed lubricated track link group is aftermarket replacement undercarriage spare part for all Caterpillar D7R series bulldozers, including D7R Standard, D7R II, D7R XR variants. The full track chain perfectly matches original CAT OEM part 115-6310, all interchangeable part codes support direct bolt-on installation with zero modification needed.
Core Product Advantages
- Premium 35MnBH forged alloy steel, superior impact and abrasion resistance, suitable for mining, construction, road construction harsh working conditions.
- Deep quenching heat treatment craft, track link surface hardness HRC50-56, hardened layer depth 4–10mm to reduce premature wear failure.
- Oil-sealed pin & bushing lubrication system locks internal grease permanently, lowers friction loss, cuts maintenance frequency and machine operating costs.
- Rigorous multi-stage quality inspection: hardness test, tensile strength test, assembly tightness test before packaging delivery.
- MUYE Machinery factory direct production, sufficient inventory for bulk orders, 12-month global quality warranty for all clients.
Applicable Machine Models
Caterpillar D7R, Caterpillar D7R II, Caterpillar D7R XR Bulldozer Undercarriage System
Shipping & One-Stop Support Service
We provide full container and mixed undercarriage parts shipment worldwide. We also supply matching D7R track roller, carrier roller, front idler wheel, drive sprocket segments. Contact our sales team for full set dozer undercarriage spare parts one-stop purchasing solution.
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