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4421620
The 4421620 radiator is a direct replacement component designed for the EX3600 excavator's hydraulic oil cooler. It ensures efficient cooling of the hydraulic system, promoting optimal performance and longevity. This radiator is built for durability and reliable heat dissipation.
Features
Made of high-strength aluminum alloy for excellent durability and heat dissipation
Features an efficient cooling fin design that maximizes heat exchange performance
Aluminum Radiator List
CAT | 7W5455, 365-1312, 373-8721, 2W5539, 464-9041, 464-9050, 370-9333, 209-7824, 320-8196, 323-1741, 533-8330, 534-7 440,534-3807, 535-4527, 535-4523, 387-4367, 260-0354, 119-4774, 528-0686, 539-8656 |
KOMATSU | 56E-07-21133, 561-03-81660, ABB-7857, 561-03-81280, 561-03-81632, 561-03-81632, 561-03-81652, 561-03-81642, 21N-03-37412, 21N-03-41110, 21N-03-43510, 21T-03-31160 |
HITACHI | 1386-621-100, 1381-639-801, 1381-639-8020, 1381-639-8030, 4682425, 4682426, 4444691, 4658096, 4427952, 4729782, 4421620 |
LIEBHERR | 10000392, 5617986, 5617987, 11823532, 11821219, 1182U18, 5611936, 5611937, 10333648, 10333649 |
Maintance and Service
Warranty for Four Years – Radiators are supported by a four-year warranty that provides security and peace of mind.
Prompt Delivery – In-stock standard versions are shipped within 24 hours for efficient operational continuity.
Cooling Solutions Made for You – We customize systems to meet the needs of your engines and the specific conditions of your worksite.
How We Produce
SINRUI radiators are precision-engineered in our modern manufacturing hub, where every step—from forming copper tubes to welding sturdy frames—is meticulously supervised and aligned with international benchmarks for robustness and efficiency.
Our ISO 9001 certification underscores this rigor: each radiator is subjected to final leak, pressure, and thermal assessments before leaving the plant. We therefore promise our customers a product distinguished by its uniform quality, exceptional lifespan, and steadfast heat dissipation.
Pictures of Sinrui's production workshop
Radiator product quality inspection, packaging and deliver
