Sprockets
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Heavy Equipment Undercarriage Parts
PT'ZM manufactures high-performance sprockets compatible with a wide range of excavator and bulldozer models across major global brands. Our sprockets are engineered for extended service life and are suitable for the following equipment:
- Komatsu
Excavator: PC200 PC300 PC400 PC800 PC1250 PC2000 PC3000
Bulldozer: D20 D31 D39 D50 D65 D85 D155 D275 D375 D475 - Caterpillar
Excavator: E320 E325 E330 E336 E345 E350 E365 E375 E390
Bulldozer: D5 D6 D7 D8 D9 D10 D11 - Hitachi
Excavator: EX200 EX300 EX400 ZX470 ZX870 EX1200 EX1900 EX2600 - Volvo
Excavator: EC210 EC290 EC360 EC480 EC700 EC750 EC950
Longer Service Life and Superior Durability
- PT'ZM sprockets undergo professional heat treatment processes to achieve excellent mechanical properties, ensuring high strength, resistance to bending, cracking, and wear.
- Precision manufacturing is supported by advanced machining centers and vertical CNC lathes, achieving a surface hardness of HRC50-60 to reduce wear and extend life cycle.
- Every unit is subjected to strict quality control, from raw material inspection to final packaging, to guarantee consistent performance and product value.
Packaging

