The following are possible operation:
--> Modify an existing tractor;
--> Delete a tractor.
The particularity of list tractors is to calculate in real time their hourly cost. This data is of particular interest since that it can be an important item of cost of operations performed by the same. You can find the hourly cost in the last column to the right and is continuously calculated and updated in real time as you change the tractor utilization For considerations of this value, see paragraph Inserting the farming operations.
TIPS: If you decide to delete a tractor, the program will perform a quick check that the tractor is not included in combination with any operation, proceeding in this case, at the immediate elimination. Otherwise the application will not perform the requested operation.