The crate should also be tall enough to accommodate a dog bed, if necessary, as some crates are not cushioned on the bottom. always consider the size recommendations from the manufacturer. ensure the dog crate will fit in your truck bed by measuring the distance between the wheel wells – usually a crate of 48” will fit in most standard. 28 dog kennel beds, 5 winners. after months of research & testing, see our picks for the best small & large dog crate mats available..