, about 160 gph. Dialing back her engines to 1,900 rpm set this test boat at a comfortable 33.5-knot ... that range to 556 nautical miles. In addition, this setting keeps the engine load in the low- to mid-60 ... .: 77,700 lb. Fuel: 1,414 gal. Water: 225 gal. Engines (tested): 2 x 1,550 hp MAN diesels ...