I have komatsu crawler 450 model2004. What does it mean E02?

specialist code for the manufacturer
search -- komatsu fault code E01 and you will find pages about the code

after working 25 minutes my shantui sd16 become over heat

diesel engine ,219 cu" (3.6L) turbo charged made by john deer
crawler loaders were made in 1965

Repair your vehicle right away. Just click on the link I attach.
John Deere 450 Jd450 Crawler Tractor Complete Workshop Service Repair...

Duplicate

Visit the on-line store, know as reliable-store, they have the repair manuals. I'm sure you will get the solution of your problem.
Best Manuals

Problem Engine abnormal noise

Check that the key in the drive gear is not sheared in half. check that by trying to slew and see if the drive motor is working. The hydraulic motor may be seized up

Try reconnecting the tracks togeather it may not be easy but my Komatsu toy model excavator has the same problem one of the tracks got jammed while i was playing with it so I'm trying to put them back togeather i also have the PC 450 LC model.. I managed to reconnect some of the tracks togeather but its not easy and be careful not to loose and parts