Operator comfort means that the operator is comfortable with the actual physical setup in the cab. Is the seat comfortable? Are the joystick and other operator controls easy to reach? Does the operator have to strain to reach things? Is it easy to see the working area? Are mirrors set up so that the operator doesn’t have to strain to see behind him or to the side or to the right or left? Are there temperature controls so the operator is neither too hot nor too cold while working?
Operator comfort is important because an equipment operator will be more productive if he is comfortable. In the rental industry, different operators will often use the same machines and the more comfortable they are, the more likely they are to be productive.