Direct replacement for 71611C1, A71611C1, 71611C, 121725C1, 121723C1, 533586R2 and 71610C1, fits International 766 886 966 986 1066 1086 1466 1486 1566 1586 and Case-IH HYDRO 100 186 187 tractors with D360 D436 DT436 DT466 engines for perfect compatibility.High-quality aluminum radiator with core dimensions 22 1/2" × 24" × 3 1/2" (572mm × 610mm × 89mm) and overall size 23 3/8" × 30" × 3 7/8" (594mm × 762mm × 98mm), delivering efficient heat dissipation for heavy-duty agricultural machinery.Precision manufactured to OEM specs with 6 rows of tubes, 8 fins per inch, 2" inlet and 1 3/4" outlet diameter, ensuring direct installation without modifications to original fan shrouds and mounting brackets.Built with corrosion-resistant aluminum core and high-pressure sealed end caps, tested to 16 psi for leak-free operation in harsh farming environments with vibration-dampening rubber mounting pads.Cost-effective aftermarket alternative that cuts maintenance costs by 30-40% vs. OEM parts, backed by a 1-year warranty for reliable performance and peace of mind in demanding field conditions.