6.6L Duramax diesel engine with 6 speed Automatic Allison Transmission- Very well maintained with receipts. Injectors head gaskets replaced with ARP head head studs - 4x4 with push button select- Power windows, locks, cruise, keyless entry, remote start- Power adjust and fold tow mirrors- Steering wheel mounted radio and interface controls- Soft Tonneau cover - 16 inch Aluminum wheels- Plywood box liner - Trailer tow package and brake controller- Black cloth interior in excellent condition - Bucket seats with center console- Bose sound systemTruck is in excellent condition, 2nd owner, intact emissions systems, no smoking, no accidents, super reliable, well maintained with an open checkbook- Have original window sticker and receipts