Specifications include, but are not limited to: Al-Jon ADV500 Serial Number 15174; Engine QSX 15 Serial Number 79811724; 1. Removal of damaged engine; 2. Engine Replacement-Equivalent to Cummins DR6338RX; 3. Changes to the Engine to make replacement motor fit our application; 4. Installation of the new Engine. Changes needed to match Original ESN Parts Options: a) Change the cpl on the engine data tag to CPL 3088 (IMS is showing that CPL 3088 & 8761 list the same content.); b) Change the ECM calibration to DO 1459, FCPJ27, FR10660 & SC11494; c) Change the crankcase breather to BR 1253; d) Change the coolant heater plumbing to CH 1020; e) Change the vibration damper to DA 1229; f) Change the fuel drain location to DL 1038; g) Change the wiring harness to EA 1715; h) Change the gear cover to GG 1731; i) Change the air intake connection IC 1065 with IC 1712; j) Change the lifting bracket to LA 1099 with LA 1707