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The Wendy Dawn is powered by a 300 hp Mitzubishi Diesel Engine Model 6D16T (Turbo).  This is a Marinized Version of a popular workhorse type of engine often used in Commercial trucks, Buses, Forklifts, Construction & Mining Machinery.  The boat does about 13 knots at full speed, Cruising at 7-9 knots depending on tide and weather. Mileage is approx. 3-4 gallons per hour, which can be reduced by running a little bit slower. 

As of now there are approx. 13,000 hours on this engine, 8000 of which have been put on in the last 11 years.  The Engine Electrical System was completely re-wired in 2025.  This included new gauges  and wiring in the dashboard.

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This is a Keel - Cooled Engine, with Coolant running through Copper Pipes along the lower vessel hull.  These were replaced in 2017.  There is also a small stainless steel keel cooling pipe along side of the copper cooler for cooling the Hydrauic Oil coming out of the hydraulic motor running the high pressure diving air compressor.  

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New aluminum fuel tanks (2) were installed in 2014, with total capacity about 900 Litres or 200 Imperial Gallons.