Quad screw holo-flight processor Total estimated heating surface area is 1519 sq. ft., Estimated heat transfer surface of material exposed to the trough is 292 Sq. Ft., for the screws is 1227 Sq. Ft. (306.75 sq. ft. each). The heating medium is hot oil The processor is fitted with a vapor hood. The trough is 24' long x 98.25" wide x 35" high,(with out hood) 69.3" high (with the hood). Trough volume is 159 cubic foot. Quad screw design with timing gears driven through a SYM Cyclo reducer at a ratio of 231:1. Final screw output is 7.6 to 76 rpm.