This is a 1999 Chevy W3500. This truck contains the 4HE1-XS Diesel Engine along with a ASIN RNJ automatic transmission. This truck has a  G73 rear housing with R40 differential gear. This truck currently has a 16ft dry cargo box. Feel free to call us with any other questions you may have about this truck or to check price and availability of parts off of this truck at 803-564-3228     VIN#J8DB4B145X7015216      05/26/2021