... 1. Max. input power, 1600HP 2. Rated pump speed,120 spm 3. Stroke, 12 in ... 4. As to API 7K standard Mud Pump is manufactured strictly according to API 7K standard, ... strictly according to API. mud pump input power: 1300HP,1600HP, equip with DC motor;Pump MudF-1300F-1600Max.input power, ... HP (kW)1300(969)1600(1193)Rated pump speed, ...