The correct MORryde Cushioned 5th Wheel Pin Box for a Forest River Vengeance Rogue 5th Wheel Toy Hauler 311A13 is part # MR84VR which offers a direct bolt-on fit. It has about the same dimensions as the pin box it replaces so you don't have to worry about any new clearance issues. It has a built-in cushion so it will go a great job of improving ride quality and reducing wear and tear on the trailer. It also made here in the USA. view full answer...
The Lippert 1621 and Lippert 1621HD Pin Boxes are very similar and can be used in place of one another if you drill out the lower front hole on each side of the trailer wings which is very easy to do. The difference between the two has to do with the mounting holes and weigh ratings. Therefore, if you do the above you can use the Trailair Flex Air 5th Wheel Pin Box part # LC328492 which is rated for 18,000 lbs or you can just use the Curt Air Ride 5th Wheel Pin Box part # LC158778 as it's... view full answer...