Draw a large rectangle for the tractor body
Add a smaller rectangle on top for the cab
Draw two large circles for the rear wheels
Draw two smaller circles for the front wheels
Add inner circles inside each wheel
Sketch the hood at the front of the body
Draw the engine area and front grille
Add a seat inside the cab
Draw windows on the cab
Add a steering wheel inside the cab
Draw the exhaust pipe on top
Add headlights at the front
Sketch fenders over the wheels
Add steps or a ladder below the cab
Draw details like door lines, mirrors, and vents
Trace the final lines with a darker pencil or pen
Erase extra sketch lines
Color the tractor in your chosen colors