Over 3,000 Trojan F32s were made, and all were originally gas engines. We know of four that have been re-powered with diesels, and this is the only one we know of with Cummins (others were 2 Volvos and a Cat). The Cummins 6BTA is one of the most popular and reliable diesels ever built, and they both start every time and run perfect. With 1:1 transmissions, we turn a 17x20 Nibral prop and run up to 28 knots, with cruise at 500RPM idle at 8knots, she is super economical - about 2 miles/gallon total. Twin Cummins 6BTA5.9 diesels, serviced in February 2020, Port: 885 hours, Starboard: 887 ...