This is a 1999 Mack CH613 tractor with a 350hp mack engine, 9 speed eaton, 3.87 mack rears . The trailer is a 2009 Fontaine 48 foot step deck aluminum over steel came from California used to haul hay, has pintle hitch on trailer, both are in very good condition, would like sell as a set but would sell the tractor alone asking $16,500, shows 404000 miles clean truck and trailer. Plate runs out on truck Sept 6. Has been to North Dakota and Kansas in the last month. Solid roadworthy truck. Excellent rubber. would like to sell soon-make offer. Sold as is where is. buyer to pickup will store for free once paid for.