rack locomotive
locomotive with rack-and-pinion drive instead of, or in addition to adhesive drive
South Indian Railway X class
class of 17 (+4) 0-8-2T rack locomotives
Salamanca
Early British steam locomotive (built 1812)
Lenz type bz
class of 3 German 0-6-0T rack locomotives
Lenz type z
class of 3 German 0-6-2T rack locomotives