21 Tooth 15 Hole 325mm Bore Excavator Sprocket Heavy Duty Gear Compatible With DH150 HD450 HD510 HD512 HD500 E110 E312 E313 and More Part 17038 for Tough Job Site Performance

Single-Unit 21-Tooth Excavator Sprocket, 15-Hole 325mm Bore
✔️ Single-Unit heavy-duty sprocket, forged alloy steel, 325 mm bore

This heavy-duty excavator sprocket is an OEM-equivalent replacement part designed for undercarriage drive systems. It’s built to fit a wide range of tracked excavators and compact loaders, delivering reliable torque transfer and maintaining track tension during digging, trenching, and material handling tasks.

✅ 21-tooth sprocket with 15 mounting holes
✅ 325 mm bore diameter (12.8 in)
✅ Uses 16 mm x 45 mm coarse thread bolts
✅ Weight: 40 kg (88.2 lb)
✅ Forged alloy steel, heat-treated for high-load performance
✅ OEM-equivalent 17038, 22001
✅ Direct replacement matching factory specifications
✅ Essential wear part for maintaining track tension and drive efficiency

💡 What is a heavy-duty excavator sprocket used for in track drive systems?

This handy part connects the drive motor to the track, providing torque transfer and helping keep the undercarriage aligned under tough site conditions. - Transfers torque from drive motor to track - Maintains proper track tension and alignment under heavy digging - Forged alloy steel construction stands up to harsh site conditions - Compatible with multiple excavator models for easy field replacement