... ,Lovol/Perkins,Doosan ,Deutz and etc .They are 4 stroke , high torque, standard layout, and has powerful performance ... to 85db @ 7m (soundproof type)Engine brandCumminsEngine typeWater cooling, 4 stroke, direct injectionAlternatorStamford , marathon , engga etctypeBrushless , insulation class: ... , fuel temperature displayFuel tankFor 8 hours using 4)THE SPECIFICATIONS OF THE ALTERNATOR:The world first ...