Tractor Mac and his friends welcome a new vehicle to the farm, a small tractor named Daisy, helping her get started on her difficult work and encouraging her to keep at it, one small step at a time.
In Stoney Meadow Farm, Fergus the calf does not like change and misses summer's flowers and shade trees until Tractor Mac helps him to appreciate the changes autumn brings, such as colorful leaves, pumpkin festivals, and apples.
Tractor Mac and his friends visit the county fair, where Mac competes in a tractor pull against the bigger, mean tractor Deke. Deke wins the contest, but Mac is the real winner of the fair.
Tractor Mac and his friends welcome a new vehicle to the farm, a small tractor named Daisy, helping her get started on her difficult work and encouraging her to keep at it, one small step at a time.