DESCRIPTION 2007 Chevy Silverado LT 2500HD Pickup (RR0578, Unit F83), 2007 Chevrolet Silverado LT 2500HD, 4X4, Vortec gas engine, LT trim, automatic transmission, cloth interior, A/C, heat, long box, LT 265,75R16 tires. Serial Number: 1GCHK24UX7E163435 Notes: Engine locked up-buyer will need a trailer to haul. Could not power up for mileage reading.