Lightnin Classic, High Fluid Flow Mixer. Model XJ-174. S/N: 90/529200/01. Clamp-mount XJ series mixers provide the high torque that's required to mix viscous fluids in the 15,000 to 100,000 centipoise range. Positive chuck maximum propeller shaft diameter: 7/8 in. Shaft diameter: 1 in. Shaft length: 64 in. Mixer is equipped with (2) 11-1/2 in. dia. A100 propellers that provide efficient mixing when higher fluid shear rates are required for hard-to-wet powders. Lightnin Dura Mix, 1.74 hp, 1,725/1,450 rpm, 350 rpm (final), 208-220/440 V, 60/50 Hz, 3 phase. Overall dimensions: 22 in. L x 12 in. W x 90 in. L.