Capacity: 104 cubic feet (148 cubic feet total capacity) Model: HKM4200 Jacket pressure: 60 psi @ 350°F Material of construction: stainless steel Driven by a 125/65.5 hp 2-speed motor Center bottom discharge Additional information: has provisions for (4) choppers, but no choppers included. Equipped with "coffin" style lid for ease of clean out, stainless steel rotary valve. Includes operator controls.