For sale is a NEW Alstom Air Preheater 4AP Enclosed Gear Drive ratio 104.93:1 M.O. F0709139 Input RPM 1750 Output RPM 16.68 Peak Input Torque 1200 LB IN Momentary peak 33 HP; Continuous load: 6 HP; 1.25 SF Pic.2: Top shaft - 3-3/8" Left shaft 3/4" Right shaft 1-1/8"