件号、数量、目的地，以及设备铭牌与旧件照片。
准备该分类的采购资料
- 识别资料
- 明确需要支重轮、引导轮、驱动轮、链轨节还是履带板，并提供整机序列号、旧件号及已有测量或图纸。
- 需要澄清的范围
- 逐行说明数量与单位：单件、链条还是整套。区分实测值与估计值，必要时注明左右侧。
品牌目录
配件识别与采购指南
A replacement excavator track chain is identified from the machine serial, the old chain number, and a drawing you already hold. Track chain fitment checklist.
配件识别照片怎么拍 →
用少量、标注清楚的照片，把旧件、标签和对应设备关联起来。
怎样准备多品牌配件采购清单 →
让不同品牌的身份、数量、核对资料和发运优先级保持清晰。
What Excavator Track Chain Do I Need? 4-Pin Pitch, Link Count & Shoe Bolt Fitment Checklist → (仅有英文原文)
Identify the exact replacement excavator track chain or complete track group across 4-pin pitch (135–260 mm), STD vs. LC link counts (37L–53L), bushing OD, rail width, and ISO 898-1 Class 12.9 shoe bolt grids.