Abstract: A trailer and loading device is described that is releasably mountable to a truck including a forward cab and a rearward truck bed including upright bed walls and a bed floor. The device includes a frame configured to be mounted within the pickup truck bed adjacent the cab, and a ramp mounted to the frame and extending angularly upward and forwardly. A rearward bottom end of the ramp is configured to be positioned adjacent the truck bed. The ramp extends to a forward elevated top end configured to extend forwardly over the frame. A trailer is releasably mounted to the frame in an inclined carrying position. Wheels of the trailer are configured to rest against the floor surface of the truck bed between the upright bed walls. A forwardly extending tongue on the trailer includes a follower configured to move along the ramp.