Further USAF H-65B/C/H upgraded by the Pave Low III program Specifications MH-53J Engine 2 x GE T64-GE-415 4380 shp Capacity Length (m) 30.19 Height (m) 5.32 Blades 5 Rotor diam. (m) 24.08 Disc area (m2) 455.41 Weight (kgs) Empty: 16482 Max: 22680 Speed (km/h) Max: 315 Range (km) 2075 Ceiling (m) 5640 Rate/Climb (m/min) List of Operators of MH-53J Years Model Org 1968/08 S-65 H-53 US Air Force Construction Numbers C/N Year History 65-253 68-10924 65-263 69-5784 65-269 69-5790 65-274 69-5795 65-335 w/o 2003 70-1625