here is updated dump bed for the RMC build off V4 here the update updated the RMC Dump Box i added new cylinder and new cylinder covers and a option to pick the color of the cylinder covers i lower the sound on the tarp and cylinder sound made the tail gate latches have sound now all cylinders should work as they should also fixed the problem were if the bed was fully up and movement kept making the cylinder punch sound and cylinder sound i added more fill type options instead of just 70k liters you now have the option in the store to select from 50k liters up to 1mill liters only issue im having is there a error in the log that says Error: Index not found: but does not give a index to look for but other then that it works great that is all for this update and enjoy