PT'ZM specializes in the manufacturing of undercarriage components for heavy equipment, producing a full range of parts such as track rollers, carrier rollers, idlers, and other key undercarriage assemblies. Undercarriage parts and components function together as a system to keep machines operating reliably across various ground conditions and demanding terrains. All parts are engineered as direct replacements for original components on Komatsu, Caterpillar, Volvo, and Hitachi excavators and bulldozers, covering equipment from 20 to 330 tons.

Every undercarriage part is produced with strict 1:1 dimensional accuracy based on OEM specifications, ensuring full compatibility and reliable fitment. Raw materials are carefully selected and processed under controlled standards using high-strength forged steel and advanced heat treatment to deliver consistent performance and extended service life. Our parts undergo a rigorous quality control inspection process to ensure product consistency, stability, and dependable field performance. All manufacturing processes are conducted in compliance with recognized production and inspection standards, with product quality conforming to CE certification requirements.