All depends upon voltage and amperage used. HP varies widely among forklifts and pumps for them. You must calculate what your needs are then find a motor that will work within that range. Many GE, ADC and such motors will do fine. Also depends upon what you plan to build. Motorcycle, Car, Golf Cart? You gave very vague information for the question asked. Plenty of things read and you should be able to find the calculations you need for your application.