... for Beam Pumping Units application with special high slip (5 to 13%),very high starting torque and very soft ... durability, quiet operation ,reduced vibration ,advanced construction ,high safety and reliability in service, convenience for application and ... motor :Squirrel-cage Induction Motor, NEMA D Design.2,Design Standard: NEMA MG13,Frame No:213T~449T4, ... NEMA D motor for oilwell pump with high quality