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6251-61-5110
The 6251-61-5110 radiator core serves as a critical heat exchange component. It facilitates the efficient transfer of thermal energy, specifically directing heat from the engine coolant to the surrounding ambient air. Engineered exclusively for the Komatsu PC400-7, PC450-7, and PC550 Excavators, this radiator core ensures a precise fit and consistent, reliable operational performance across all applicable models.
Features
It sustains lower intake air temperatures, which helps mitigate overheating of engine components.
A higher oxygen concentration contributes to enhanced combustion efficiency and elevated overall engine performance.
Aluminum Radiator List
CAT | 320-8196, 323-1741, 533-8330, 534-7440, 534-3807, 535-4527, 535-4523, 387-4367, 2W-6587, 2W-6593, 7W-5455, 7W-2173, 9Y-3318, 7C-3385, 2W-5539, 2W-5540, 2W-6632, 223-5118, 374-3545, 387-4366 |
KOMATSU | 427-03-22820, 6251-61-5110, 569-03-89191, 6212-62-4100， 423-03-32212, 423-03-32211, 426-03-37591, 426-03-37571, 427-S05-1810, 195-03-63114, 195-03-65181, 195-03-43400 |
HITACHI | 4682425, 4682426, 4444691, 4658096, 4427952, 4729782, 4421620, 335611, 4439687, YA00008446, 1386-621-100, 1381-639-801, 1381-639-8020, 1381-639-8030 |
LIEBHERR | 10000392, 5617986, 5617987, 11823532, 11821219, 11821218, 5611936, 5611937, 10333648, 10333649 |
Maintance and Service
Quality Components: Each component undergoes stringent quality inspection, which is designed to ensure the continuous and uninterrupted operation of your equipment.
Fast Delivery: In-stock standard parts are dispatched within 24 hours, effectively ensuring timely order fulfillment and minimizing your waiting periods.
After-sales Service: Our professional team provides timely technical support to resolve any radiator-related issues you may encounter during use.
Customized Solutions: We offer tailor-engineered cooling systems, developed to meet the exact requirements of your engines and specific working environments.
How We Produce
Our aftercoolers undergo advanced CAD modeling and thermal simulation processes, which are designed to optimize airflow and cooling efficiency. We utilize high-grade aluminum alloy, a material that offers excellent thermal conductivity and corrosion resistance—both critical for ensuring durability. Our fin-and-tube assemblies are manufactured with precision to maximize the heat transfer surface area, while vacuum brazing technology ensures leak-free and robust bonding between components. Additionally, critical joints are reinforced using TIG or MIG welding to enhance overall reliability.
Each unit undergoes high-pressure testing and airtightness inspections to ensure zero leakage. Prior to packaging, all components are assembled, inspected, and tested in strict accordance with established quality standards. This rigorous workflow ensures the reliable performance of the final product.
Pictures of Sinrui's production workshop, raw materials
Radiator product packaging and delivery
