Import 4p-8502 Cat Flywheel — Buy in wholesale FOB from Supplier in China

The 4P-8502 Cat Flywheel is a precision-engineered rotating mass component designed for Caterpillar diesel engines used in construction and earthmoving machinery. It is manufactured from Cast Iron Grade 250 or Ductile Iron (GJS-400-15), materials selected for their durability under high-stress conditions. This flywheel maintains engine rotational balance, stores kinetic energy, and ensures smooth power transmission between the engine and drivetrain. It is a critical aftermarket replacement part for CAT 4P-8502 engines, commonly deployed in excavators, bulldozers, and wheel loaders.

The component is available in variants to match the material and dimensional requirements of the original equipment manufacturer (OEM) specifications. Cast Iron Grade 250 offers a cost-effective solution with good wear resistance, while Ductile Iron (GJS-400-15) provides enhanced toughness and impact resistance, making it suitable for heavy-duty applications. The flywheel’s design adheres to industry standards for rotational inertia and surface finish, ensuring compatibility with Caterpillar’s engine assemblies. Typical industry practice includes balancing the flywheel to ISO 1940-1 standards, with a residual unbalance of less than 10 g·mm for smooth operation.

This flywheel is primarily sourced by importers and equipment rental companies maintaining fleets of heavy machinery. It is exported under HS code 8483 for machinery transmission components, with palletized crating used for international freight to prevent damage during transit. Buyers should confirm the exact engine model compatibility and material grade with the supplier to avoid mismatches. The component is a direct fit replacement, reducing downtime and ensuring consistent performance in demanding operational environments.

A&S Construction Machinery Co., Ltd.

China⚓ Harbor

3(27)

A&S Construction Machinery Co., Ltd. is based in Chengdu, Sichuan, China, with its registered address at 469 Xinsheng Road, Wuhou District. The company specializes in supplying a broad portfolio of aftermarket replacement parts for construction machinery, including flywheels, cylinder liners, crankshafts, and hydraulic components. Their product range covers parts for multiple brands, including CAT, KOMATSU, JOHN DEERE, SANY, and VOLVO, positioning them as a specialized supplier for heavy equipment maintenance and repair.

The supplier operates as an organic-tier business with a harbor trust tier, indicating a baseline level of verification. While their response rate and average response time are currently not available, their focus on providing OEM-compatible parts for construction machinery suggests a commitment to meeting industry standards. Buyers should directly contact the supplier to confirm availability, compatibility, and technical specifications for specific parts, as the company’s profile does not include detailed operational metrics or certifications.