The tug's owner, 'Norman O', Rick Olson, worked with local Cummins dealer Mike Painer at South East Diesel & Electric in Ketchikan, Alaska, to set up a deal to change the tug's existing Cat D348s rated at 703 HP each for a pair of modern EPA Tier 3 compliant Cummins QSK19 MCRS engines rated for 750 HP at 1800 RPM, according to 'Cummins Hotips 736'. Built in 1970 as the Duncan Foss by the Albina Shipyard under hull#419, at Portland, Oregon. The tug has a fine shear that sweeps down the 75-foot length from a high sea-going bow to a low fantail that carries most of the boat’s 24-foot midships beam. The classic rounded west coast style…