Note that the Modify/View button can also be used to review or modify existing truck types, except for default (preloaded) load truck types.

Click Save to save the new truck (or any changes to existing truck) to the existing lrfdtrk.rp1 or stdtrk.rp1 library (overriding the existing data). To save under a new filename, click Save As. Input a new name in the Filename field and click Save.