PT'ZM manufactures a wide range of idlers compatible with Caterpillar excavators, bulldozers, and mining equipment. Our undercarriage idlers are suitable for CAT D-series bulldozers from 18-ton models used in earthmoving applications, 39 to 115-ton units designed for mining operations, as well as CAT 300-series excavators such as the 20-ton 320, the 65-ton 365, and the 86-ton 390. Each idler is precision-machined from high-strength alloy steel, heat-treated for superior wear resistance and impact durability, ensuring reliable performance in the most demanding work conditions.
Excavator Idler
Bulldozer Idler
Do you offer OEM or ODM services for Caterpillar idlers?
Do you offer OEM or ODM services for Caterpillar idlers?
Yes, we support both OEM and ODM manufacturing. Simply provide a drawing or sample, and our engineering team can deliver customized Caterpillar-compatible idlers designed to meet specific operating requirements. Branding and structural optimization support are also available.
Why choose aftermarket undercarriage parts for Caterpillar equipment?
Why choose aftermarket undercarriage parts for Caterpillar equipment?
Our Caterpillar aftermarket idlers provide the same dimensional accuracy and performance as OEM parts, but at a more competitive cost. Every unit is manufactured to exact 1:1 specification for seamless installation and optimal functionality, giving you quality without compromise.
What should I know about maintaining Caterpillar undercarriage systems?
What should I know about maintaining Caterpillar undercarriage systems?
- Regular inspections are essential to detect wear, damage, or misalignment early
- Keeping the undercarriage clean helps prevent accelerated wear from debris and abrasive materials
- Proper lubrication at scheduled intervals preserves performance and extends component life
- Track tension must be adjusted to suit different terrains to avoid unnecessary stress
- Overloading should be avoided, as it increases strain on the entire undercarriage system and shortens service life
How to select the right idler for specific Caterpillar heavy equipment?
How to select the right idler for specific Caterpillar heavy equipment?
Provide us with your equipment model or the OEM part number, and our technical team will recommend a compatible replacement. We'll supply technical drawings and key dimensions to ensure a precise fit.
How do you ensure quality of the idlers?
How do you ensure quality of the idlers?
Our Caterpillar idlers are produced using forged high-strength steel and precision-cast components. Each part undergoes strict in-process and final inspections. With carefully selected materials and advanced heat treatment processes, our idlers are engineered to withstand the harsh demands of mining and construction environments, delivering long-term durability and consistent performance.