Walthers, Inc. 933 3248 Cornerstone HO Scale Model Walking Beam/Horse Head Oil Pump 1:160 N, 2 3/4 x 1 13/16" 6.8 2.5 4.5cm

Easy-to-build kit Includes a hidden drive that can be motorized with motor drive kit #933-1050, sold separately Complete instructions included Great for steam or Diesel-Era layouts, Manufacturer: Walthers - Life Like