"All it is is a big tractor with sides," he said.

She got to her feet as he came down the steps, and together they watched a big green tractor come over the rise.

No, he didn't want a ride; somebody with a big tractor went up and down, making a living pulling trucks out.

From his window, he watched a man operating a big tractor with a 70-foot-high pile driver.

But there they are, two big tractors, corn yellow and green, high as an elephant's eye.

He pulled up on a big tractor he'd been using to do some work on his property.

And, besides, it's designed for the big tractor he's avoiding.

I get it all back when I put some kids on the big blue tractor and ride them around.

The big tractor plowed across the lawn to the front of the house.

I got out, clomped through the mud and drove the big tractor over.