What is the sun shaft of travel final drive and what it’s used for ? :
Sun shaft is travel final drive element in the planetary gearbox. On the top of sun shaft there is a gear which transfers power from travel motor to gearbox which puts the entire transmission in motion. At the bottom, we find a spline gear which is the place where sun shafts cooperate with motor shaft
How to avoid failure of the sun shaft?
Truth is that – you cant avoid damage of sun shaft . Sooner or later you will have to deal with this problem . Remember one think , excavator is not a car , travel devices are created to cross small distances . If you ride your excavator 1000-2000 meters per day , you will destroy it much faster.
Try to dont push your drive stick nervously forward , reverse during work . Use it smart
How do you search for a shaft?
If you are looking for a sun shaft, you should prepare some information, aspecially how many teeths has your sun gear on upper side , how many splines on button and how long is the sun gear . If you got this information you can try to find gear which you need
If you have a problem with finding the gear , please contact our sale managers