Excavator Track Chain is the core crawler chain of an excavator undercarriage, composed of track links, pins and bushings. It forms the closed loop driving chain, without track shoes assembled.
Main Types
Sealed & Lubricated Track Chain
Oil lubricated inside, dust-proof and wear-resistant, long service life, standard for modern excavators.
Dry Track Chain
No internal lubrication, lower cost, shorter service life.
Key Components
Track link
Pin
Bushing
Seal kit
O-ring
Material & Performance
Material: 35MnB alloy steel
Heat treated, high hardness, anti-wear and anti-impact
Service life:
Sealed & lubricated: 8000–12000 working hours
Dry type: 3000–5000 working hours
Applicable Brands
Komatsu, CAT, SANY, XCMG, Doosan, Hyundai and other mainstream excavator brands.
Common Specifications
Pitch: 171mm / 190mm / 216mm / 228mm / 241mm
Links per side: 39 / 43 / 45 / 47 / 49 / 51
