Komatsu PC1250-7 Track Link Assembly(21N3200101/KM2346/48)High-Durability Undercarriage Parts-Heavy duty undercarriage parts manufacture offer direct in China
Product Specifications
(21N3200101/KM2346/48)Komatsu PC1250-7 is a large hydraulic excavator, and its track link assembly (also called the undercarriage track chain) is a critical component for mobility and stability. Below are key details about the track link assembly for the PC1250-7:
1. Track Link Assembly Components
The assembly typically includes:
Track links (outer & inner)
Track shoes (pads)
Track pins & bushings
Track bolts & nuts
Master link (for assembly/disassembly)
2. Specifications (Approximate)
Pitch: Likely 216 mm or 8.5 inches (common for large Komatsu excavators)
Shoe Width: Varies (e.g., 600 mm, 800 mm, or 900 mm depending on application)
Number of Links: Varies by machine configuration (typically 45–50 links per side)
Bolt Pattern: Heavy-duty, high-tensile bolts for secure shoe attachment
3. Common Part Numbers
(Verify with Komatsu or aftermarket suppliers for exact matches)
Komatsu PC1250-7 OEM Part Numbers may include:
Track Link (Inner/Outer): 21N3200101/KM2346/48
Track Roller: 21N3000121
Track Carrier Roller:21N3000130
Track Shoe (Pad): 21N3231110
Track Front idler: 21N3000110
Track Drive sprocket: 21N2731191
4. Aftermarket Options
Many manufacturers (CQC Track) produce compatible undercarriage parts. Ensure:
Correct pitch & width
Proper hardness & durability for your working conditions
5. Maintenance Tips
Regularly check track tension (adjust as needed).
Inspect for worn bushings, pins, or cracked links.
Replace track shoes if excessively worn or damaged.
Lubricate sealed tracks (if applicable).
6. Where to Buy?
Komatsu dealers (for OEM parts)
Undercarriage specialists (CQC TRACK /DPW PARTS)
Online marketplaces (www.hangongmachinery.com)
Would you like help finding a specific part number or supplier? Let me know your exact requirements (e.g., shoe width, sealed/lubricated chain type).
