A woman driving a Volvo C30 and her 18-month-old baby were injured when the tractor struck the car on a country road last night.
They were driving along Northallerton Road in Leeming Bar when the farm vehicle, which was towing a trailer, collided with them.
The tractor driver did not stop.
The accident happened at 7.25pm on Wednesday evening.
The mother and child both attended hospital but were not seriously hurt.
Police are appealing for the driver of the tractor to come forward and for anyone who may have witnessed the collision or either vehicle in the area at this time to contact them.
Anyone with information to call North Yorkshire Police on 101, select option 2 and ask for Emma Bainbridge. You can also email [email protected]
Quote reference number 12200034031 when sharing information.