Caterpillar Track Rollers
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Heavy Equipment Undercarriage Parts
PT'ZM manufactures heavy equipment aftermarket parts, producing track rollers compatible with a wide range of Caterpillar excavator and bulldozer models, including D6, D8, D10, E320, E390, and others. All components are produced from high-strength forged steel, with surface heat treatment reaching HRC 48-55 for excellent wear resistance and impact strength. These track rollers are designed to withstand harsh working conditions, meeting ISO 9001 quality management standards. Custom models can also be produced upon request to meet specific equipment requirements.
How do I choose the right track roller for my excavator or bulldozer?
How do I choose the right track roller for my excavator or bulldozer?
You may select parts based on your machine brand and model. If you're unable to locate the specific product, simply provide your equipment's OEM part number. Based on the information, we will supply corresponding technical drawings and dimensions for verification, including roller diameter, shaft size, and bolt hole spacing.
What materials are used in heavy-duty track rollers?
What materials are used in heavy-duty track rollers?
The roller body and center shaft are produced using forged 40MnB2 high wear-resistant boron steel and 42CrMo alloy structural steel to ensure superior strength and durability.
Do you offer OEM or aftermarket track roller options?
Do you offer OEM or aftermarket track roller options?
We supply high-quality aftermarket replacement parts for Caterpillar equipment, strictly manufactured to OEM (1:1) specifications to ensure full compatibility and service life. For equipment manufacturers seeking OEM-capable suppliers, we offer complete in-house production capabilities, including mold development, precision manufacturing, and large-scale production, supported by over 20 years of undercarriage manufacturing expertise.
How long is the warranty for your undercarriage rollers?
How long is the warranty for your undercarriage rollers?
We provide a 12-month warranty along with comprehensive after-sales support.
What kind of surface treatment or heat treatment do your track rollers have?
What kind of surface treatment or heat treatment do your track rollers have?
Our track rollers undergo a complete range of surface treatments to enhance hardness and wear resistance, including annealing, normalizing, quenching, tempering, hardening & tempering, aging, carburizing, and nitriding processes.
Do your track rollers work well in mining or extreme environments?
Do your track rollers work well in mining or extreme environments?
Yes. Our use of premium alloy structural steels, forged high wear-resistant boron steel, advanced heat treatments, and strict quality control ensures that the track rollers maintain reliable performance even in extreme mining and heavy-duty environments.
What is the material hardness of mining-grade track rollers?
What is the material hardness of mining-grade track rollers?
The surface hardness reaches HRC 48-55 with a hardening depth of 8-10mm, using forged 40MnB2 and 42CrMo steel to deliver outstanding wear resistance and durability.
Are Caterpillar undercarriage rollers resistant to sand and mud?
Are Caterpillar undercarriage rollers resistant to sand and mud?
Yes. The rollers incorporate pure copper bushings to enhance wear resistance and are equipped with high-density sealing rings to effectively protect internal components from dust, sand, and moisture.
Do you have heavy-duty track rollers for coal mining bulldozers?
Do you have heavy-duty track rollers for coal mining bulldozers?
Yes. We offer heavy-duty track rollers specifically designed for coal mining bulldozers, manufactured from high-strength forged steel and equipped with advanced sealing systems to prevent damage from dust, mud, and debris, ensuring long-term durability even in harsh mining conditions.
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