Used 10084.8 Sq Ft (Extended)/572.11 sq ft (Bare) carbon Steel air cooled heat exchanger. Manufactured by Custom Air Coolers. Model 111x1441F96V. SAE 30 Oil cools @275GPM. Temp in 121.1F. Temp Out 113F. 96" Moore 4-blade fan 5HP motor. Past use Lube Oil Cooler.