The Brill Model 55 was a gasoline fueled railcar that was built by J. G. Brill Company.  This type of car was also be called an "Interurban Combine" (a car for traveling between cities carrying both freight and passengers) or a "Doodlebug" (a self-propelled rail car).

Resin conversion kit when combined with a Bachmann PCC streetcar drive creates a working model of an HO Scale Brill Model 55 for your scale railroad.  The Model 55 was in production from 1920 - 1938 and could be found on many railroads including CN, NYC, PRR, MEC, SP, BM and more.