phoenix reproductions is working on a ready-to-run plastic d3 locomotive due to be released in early 2020, sharing some components with the eureka models k class model. units include 624, 625, 632, 635, 655, 664, 669, 674, 683, 684 and 690 in plain black, 639 and 688 in black with red lining, and 639 in the canadian red scheme circa 1988 (with red dome). these units represent various periods, based on the type of pilot and the location of the turbo-generator. pilots were generally of the bar type until the late 1940s, replaced with the plate type until the early 1960s when they were removed. turbo-generators were installed above the firebox until the early 1950s when many engines (but not all) had them shifted to the footplate. the black-and-red model of d3 639 may be a reasonable representation of either the period 1950-1967 or 2011–present, based on the red lining.