Big Crankcase oil sump. Special oil-filled crankshaft. Built-in enforced lubrication system provides highly reliabe solutions. Oil pressure protection mechanism. Effective air circulative cooling system. Automatic Loading/ Unloading design. Design for heavy duty industries. Motor size 5~ 15HP Working pressure 8~ 16kg/ cm2 F.A.D 545~ 1480 l/ min Tank Capacity 155~ 300 liter