To calculate the performance front loader knowing the 6 main variables to determine the duty cycle, these are (1) the distance traveled in kilometers, (2) the rate charged and (3) discharged from the equipment km / hr ( 4) the ability of the spoon or lampón in m3, (5) the swelling factor of the material in% and (6) the type of material being transferred. Returns the total cycle time in minutes and work performance m3 / hr.