Heavy Duty 11 Blade Engine Radiator Cooling Fan 1-13660345-0 8-97161599-0 Isuzu 4BG1 Excavator Mining Construction Describe: The Heavy-Duty 11-Blade Radiator Cooling Fan is purpose-built for mining and heavy construction excavators powered by the Isuzu 4BG1 diesel engine. Designed to withstand the extreme thermal and mechanical stresses encountered in open-pit mining, quarry operations, and large-scale earthmoving projects, this fan delivers uncompromising cooling performance