Draw a large rectangle for the body
Add a smaller rectangle or rounded shape for the engine cover
Sketch two large circles for the rear wheels
Sketch two smaller circles for the front wheels
Connect the wheels to the body with axles
Draw the cab as a box or rounded rectangle on top of the body
Add a seat inside the cab
Draw the steering wheel inside the cab
Add the exhaust pipe near the front of the tractor
Draw the hood and grille at the front
Add headlights on the front
Sketch fenders over the wheels
Add steps or a ladder to the cab
Draw a hitch or attachment point at the back
Add details like bolts, vents, and panel lines
Trace the final lines with a darker pencil or pen
Erase extra sketch lines
Color the tractor in your chosen colors