Massachusetts Bay Transportation Authority 1250-1294
Massachusetts Bay Transportation Authority 1250-1294 are New Flyer XDE60 buses. 1250-1293 were built in 2016. 1294 was built in 2018 and it has the extended battery range option to test whether that model can replace the Neoplan AN460LF DMA buses used on the SL1, SL2, and SL3 routes. It was in competition with the New Flyer XE60s, 1295-1299.
|1250-1293||Cummins ISL9||BAE Systems HDS 300 hybrid system||53: American Seating InSight-Prime||TwinVision Smart Series III Amber|
|1294||Cummins L9||BAE HybriDrive ER|
 2019 model.
|1294||2018||5FYH8YU11KB055397||MBT 1294||Southampton Street||Active||Purchased to test New Flyer's extended-range battery option to potentially replace the dual-mode Neoplans already in use on the SL1-3|