Cargo Box Dimensions Raul Bonifacio Updated January 18, 2020 00:36 Follow The chart below (also attached as a PDF) provides complete internal and external measurements for all of current cargo boxes. If you have further questions please contact us here, or by phone at 888-925-4621 during business hours. Box Int Dims.pdf 200 KB Download Related articles Cargo Box Height above the Cross Bar How do I know if my cargo box will contact my rear hatch? Cargo box on factory rack Cargo Box Load Capacity Is there a maximum speed I can drive with my rack installed? Comments 0 comments Article is closed for comments.