07' x 28' - Single Pass - Rotary Drum Dryer with 10 MM BTU Burner and Cyclone. Model NO5 Blade - Nov 2008 Stock #: DR-88044. Stock: 0. Details. Add to cart. 08' x 24' - Triple Pass - Rotary Drum Dryer - Model 8 x 24-3 8' X 24' - Triple Pass - HEIL - Rotary Drum