Meanings
railcar, motor coach, power car (a self-propelled rail vehicle with its own motor and driver's cab designed to transport passengers or freight)
Auf der eingleisigen Nebenstrecke setzt die Bahn moderne Diesel-Triebwagen ein.On the single-track branch line, the railway operates modern diesel railcars.
motor car, powered tram car (the powered streetcar carrying the motor, as opposed to an unpowered trailer car)
Der Triebwagen der historischen Straßenbahn zog zwei ungebremste Beiwagen.The motor car of the historical tram pulled two unbraked trailer cars.