While Farmer Dougal sleeps, Sheep and his animal friends board the tractor and take turns making noises. 'Baaaaaaa ' goes the engine. The tractor jiggles, 'Purrrrrrrrrr ' And goes down the lane. 'Gobble, Gobble ' The wheels go 'Squeak Squeak Squeak ' 'Honk Honk Honk ' sounds the horn. The engine goes faster. 'Mooooooooo '.