Step 2: Prepare motors
First solder the wires and the connectors to the motor.
Then add the motor bracket.
Step 3: Prepare wheels
Two 90T wheels and twelve 66T wheels with flange bearing are needed.
Step 4: Prepare all the neccessary parts
Step 7: Install the wheels
Step 10: The tank subbase is ready
Step 12: Install the arm
Step 13: Prepare the electronic moddules
Step 15: Done