Hello Guest, you do not yet have the necessary rights to see the contents of our FAQ articles. Register in our forum, briefly introduce yourself and your Zetor in words and pictures and actively participate in discussions in the forum, then you will automatically receive access to the specialist articles in the FAQ.
My 3340 block heater connection is on the left side just in front of the cab (near the back of the motor). About 1/2 way between the top and bottom of the motor.