Doodlebug is a self-propelled gasoline engine rail car that enabled railroads to reduce operating costs associated with light branch and secondary lines
A Santa Fe “doodlebug” they were gas powered combine cars and usually operated with a 2 or 3 car consist : r/WeirdWheels
M160 Doodlebug
Show me your locomotive !!, Page 13
Budd RDC SP-10 during Card Ops at Carquinez MRR {{Music: Ronny K
Atchison, Topeka and Santa Fe Railway Fan Club: Santa Fe Doodlebug M.160
RailPictures.Net Photo: M160 Atchison, Topeka & Santa Fe (ATSF) Doodlebug at Frisco, Texas by David Hawkins - KB5WK
The Doodlebug Shiloh to Canaan
Santa Fe M160 Doodlebug, Grapevine Photograph by Mark Summerfield - Fine Art America
Grapevine Vintage Railroad
Santa Fe M160 Doodlebug, Grapevine, Texas Wood Print by Mark Summerfield - Pixels