Import Caterpillar Crankshaft 1253005 Replacement Part — Buy in Bulk from Supplier in China

The Caterpillar crankshaft 1253005 replacement part is a precision-engineered component designed for direct fitment in Caterpillar machinery models including 7C6208, 8N5676 and 8N9174. It is manufactured from forged alloy steel to withstand high rotational and compression loads typical in heavy-duty diesel engines used in construction and mining equipment. The part meets ISO compliance standards for dimensional accuracy and material integrity, ensuring compatibility with OEM tolerances.

This crankshaft variant is produced with tight machining tolerances to reduce wear on connecting rods and bearings, extending service life under continuous operation. Forged steel construction provides superior fatigue resistance compared to cast alternatives, while surface hardening treatments are applied as standard for durability in abrasive environments. Industry-standard for such components includes a typical hardness range of 250-300 HB for the journal surfaces, with this part adhering to those benchmarks.

Primary buyers include maintenance contractors for earthmoving equipment, mining operations and agricultural machinery fleets requiring reliable aftermarket parts. The component is supplied as a single unit with protective packaging to prevent corrosion during transit. Buyers should confirm compatibility with their specific engine model and verify whether additional components such as bearings or seals are required for complete assembly. Standard trade terms for such parts include FOB or CIF delivery with L/C or T/T payment options.

Engine Supply Inc. operates from Ningbo, Zhejiang Province, China, with its registered address at Flat 1508, No.39, Lane 158, Sec. South Huancheng Xi Road. The supplier is classified under the imported tier with a harbor trust level, indicating established logistics capabilities for international shipments. While specific operational details such as workforce size or annual output are not disclosed, the company positions itself as a provider of aftermarket engine components for heavy machinery.

The supplier's profile does not specify response metrics, with current data showing a 0.00 response rate and no recorded average response time. This suggests buyers should initiate contact through alternative channels to verify availability and technical specifications. The company focuses on supplying replacement parts that meet OEM standards, with this crankshaft listing demonstrating compliance with ISO requirements for quality assurance.