Complex sentence: In 1985, Ja 1250 (Along with Ka 945) hauled the first mainline steam excursion from Auckland to Wellington and back, this was the first steam excursion to run after NZR lifted there ban on steam traction.
Split into simpler sentences: In 1985, J A 1250 (along with K A 945) hauled the first mainline steam excursion from Auckland to Wellington and return. This was the first steam excursion to run after NZR lifted their ban on steam traction.