Yes its a 6400, w/at least a 12 ft bed and have seen this truck loaded with grain it had 4 ft side racks all around not sure how many pounds that would be, I have seen a 6400 with flat bed and 500 gollon tank on the back full of water not sure what that ways either but I now from the military days the water buffalo truck was the hardest to tow heavy!!! you guys are great and Iam greatfull for the info!!! Dale
