PT'ZM manufactures Komatsu aftermarket carrier rollers using production processes that match original equipment quality. Built from high-strength forged steel and enhanced by precision heat treatment, these rollers deliver long-lasting performance under harsh working conditions such as mining and construction environments. Each roller is equipped with copper bushings and high-density sealing systems to extend service life and protect against dirt, sand, and moisture. Our carrier rollers are fully compatible with Komatsu excavators and bulldozers, including models like PC3000, PC2000, and D31.
Excavator Carrier Rollers
Bulldozer Carrier Rollers
Do you supply Komatsu aftermarket carrier rollers with OEM quality?
Do you supply Komatsu aftermarket carrier rollers with OEM quality?
Yes. Our Komatsu replacement carrier rollers are designed and manufactured with 1:1 dimensional accuracy, using high-grade alloy steel and precision heat treatment to meet demanding operational requirements across various working conditions.
What materials are used in Komatsu excavator carrier rollers?
What materials are used in Komatsu excavator carrier rollers?
Our Komatsu carrier rollers are made from forged 40MnB2 steel for the roller body, heat-treated to a surface hardness of HRC 48–55 with a hardening depth of 8–10mm for outstanding wear resistance. The center shaft is forged from 42CrMo steel, heat-treated for high strength and excellent fracture resistance.
Can Komatsu carrier rollers withstand harsh mining conditions?
Can Komatsu carrier rollers withstand harsh mining conditions?
Yes. Our Komatsu carrier rollers are engineered specifically for harsh mining environments. With high-strength forged steel, deep heat treatment, and advanced sealing systems, they provide reliable performance even in extreme conditions like coal mines, stone quarries, gold mines, and other abrasive terrains.
Can I order Komatsu carrier rollers in bulk for fleet maintenance?
Can I order Komatsu carrier rollers in bulk for fleet maintenance?
Yes. We fully support bulk orders for Komatsu carrier rollers, which are ideal for mining companies and construction contractors managing large fleets of heavy equipment.
Are Komatsu equipment parts heat-treated and surface hardened?
Are Komatsu equipment parts heat-treated and surface hardened?
Yes. All Komatsu replacement parts undergo a range of heat treatment and surface hardening processes such as annealing, normalizing, quenching, tempering, hardening & tempering, aging, carburizing, and nitriding to achieve maximum durability and wear resistance.
Can you produce Komatsu heavy equipment parts based on old part samples or technical drawings?
Can you produce Komatsu heavy equipment parts based on old part samples or technical drawings?
Yes. If you provide old part samples or OEM part numbers, we can identify specifications and prepare detailed technical drawings for confirmation. We also accept production orders based on your technical drawings and dimensional data.
Do Komatsu aftermarket carrier rollers include copper bushings and high-seal systems?
Do Komatsu aftermarket carrier rollers include copper bushings and high-seal systems?
Yes. Our Komatsu replacement carrier rollers feature precision copper bushings for improved wear resistance and heat dissipation. The rollers also incorporate high-density sealing rings to prevent dust, sand, and water intrusion, ensuring stable performance even in severe working environments.