The utility model discloses a special boosting car for a railway locomotive, which comprises a bodywork (1), a motor (2) and a speed reducer (3), wherein the motor (2) is installed on the bodywork (1), the speed reducer (3) is installed on the output shaft of the motor (2), a driving wheel is installed on the output shaft of the speed reducer (3), a first friction wheel (5) and a second friction wheel (6) are installed side by side under the driving wheel (4), the excircle surfaces of the first friction wheel (5) and the second friction wheel (6) are respectively in frictional contact with the excircle surface of the driving wheel (4), a gap is reserved between the first friction wheel (5) and the second friction wheel (6), and the lower end treads of the first and second friction wheels are in the same horizontal plane. The special boosting car for railway locomotive adopts the driving wheel positioned above to drive the two frictional wheels positioned below by frictional forces to boost the locomotive, and has the advantages of compact structure, large driving force, convenience for control, synchronously convenience for disassembly and overhauling, no limitation on field while boosting the locomotive, convenience for field transition and movement, and wide application range.