Disclosed are various embodiments for rear railgear, pivot links, and pin-off systems. An example assembly including railgear, an attachment frame, a mounting bracket, upper and lower links is provided. The rail gear includes a pair of guidewheels, an axle, and an axle saddle; the attachment frame can connect to the axle saddle of the railgear; the mounting bracket is configured to attach to a vehicle; the upper link pivotably connected to the mounting bracket; and the lower link pivotably connected to the attachment frame, where the lower link is connected to the upper link via a pivot pin. The railgear can be secured in either the deployed or stowed position using various interchangeable pin-off systems, including but not limited to: a manual pin-off system, an air operated pin-off system, and a cable pin-off system. The railgear can also be secured in the stowed position using an automatic mechanical lock system.