All the vehicles and animals on Stonybrook Farm are enlisted to help build a new swimming hole for their town's residents. It is a big job, but Tractor Mac and his pals are willing to lend a hand. But a tractor named Deke thinks he can do it all by himself and do it better than everyone else. He soon learns that a complex job is done best when each member of a team does his or her part.

When Farmer Bill buys Tractor Mac to replace Sibley the workhorse, manes are ruffled. Poor Sibley. Will he be put out to pasture, or will he save the day when Tractor Mac runs into a problem?

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.

Mac competes in a tractor pull contest and learns what winning really is.

Tractor Mac is hard at work in the field one day when his engine starts to make a funny noise. It doesn't sound good, and it doesn't feel very good, either. Tractor Mac is scared that he has to take a trip to Dr. Lou at the tractor hospital, but with the help of his animal friends and some other machines who have stopped in for a tune-up, he learns that going to the doctor doesn't have to be scary at all.

"Pete and Paul, the pigs, love to eat, and their favorites are junk food and snacks. Tractor Mac and his friends set out to show the pigs a better way of eating and at the same time help their community farmers. Can Pete and Paul change their eating habits? This book has recipes and healthy eating tips for kids"--