No. It is not necessary. Only the responsible author will register in the system.
But all authors should be aware of their responsibility for the article. 
The order of the names of the people and the responsibilities of each of them should be clear in the article.

No. This is unethical in publishing. If this is done, your article will not be published;
And if it is printed, it will be invalidated. Your name will then be blacklisted and no other articles will be accepted from you.

Preliminary evaluation in this journal is less than 5 days and the average time to complete the review process of articles is between 3 to 4 months.

Any addition, deletion or rearrangement of author names in the authorship list should be made only before the manuscript has been accepted and only by receive confirmation from all authors.

The Journal of Agricultural Machinery does not charge authors for reviewing articles, but authors whose articles (for Persian papres) are accepted must pay Article Processing Charge for editing and publishing the article to the University Vice president for Research and Technology (payment is online). No money will be received for publishing the English papers.