All sources refer to the same engine, although with different horsepower rating.[1][5] But official specs from manufacturer indicates a 1,400 hp rating for each engine. [1]
Sources vary on weapons mount of this ship, with most indicating the presence of a Bushmaster 25mm chain gun on a Mk.38 mount.[1][5] Recent photos [2] does not show said weapon or mount, so are other ships from the first batch (PG-370 to PG-378)[10]