Caterpillar - Flange Mount Haldex (New and Remanufactured) EL1600 3-Hole Flange Comes with Drive-Thru Adapter EL1600 Caterpillar Compressor 3-Hole Flange Mount, Flange Mount, Gear Drive, End Cap Oil Feed, Flange Oil Drain, Top/Flange Discharge Type, Service units are furnished without governors and manifolds and may require head rotation and end cap rotation before installation or changeover. Torque Nut to 80-100 ft. lb, Includes installation gaskets.