Provided is a strap rolling device for quickly and easily coiling items such as cargo straps. The apparatus comprising a base plate, a manual crank assembly, a strap reel assembly, a gear assembly and a chain for the gear assembly. The manual crank assembly is attached to the base plate, and is used to turn the gear assembly. The gear assembly enhances the rotational motion of the manual crank assembly, and is attached to the strap reel assembly, allowing the strap winder to perform the task of winding a cargo straps in a more efficient manner than can be done without gears. The apparatus contains hardware for mounting the device directly to a flat-bed truck with a clamp, or, in another embodiment, for mounting the device onto a stake hole.