SRA063 Differential Gear Teaching ModelEducational Equipment Automotive Training Series Petrol Engine Trainer Overview a.Weight:35 kgs b.Dimension: 0.5CBM c. Work environment: 0-40℃ d.Package:wooden pallet This product uses original differential mechanism, it is dealt with cut away structure and the cut away section is sketched. The bottom can be welded with rolled steel, or made into a rack with stainless steel (according to the requirement of customers). Students can understand the internal construction and working principle of differential mechanism faster with the product, it is equipped with a matched product manual and a technical instructor