First time as a Proto model-- Body features correct 10'6" Interior height, modernized roof, ends and doors Separately applied ladders, grab irons and other details Correct size RP-25 metal wheelsets Proto MAX(TM) metal knuckle couplers Special N6B Cabin Cars included only in Sets! Protecting the trains were the road's traditional N6B wood cabin cars (cabooses), which were sometimes handled in mid-train to expedite pick ups and set outs en route. Features of these models include: In service 1913 to late 1960s - several preserved today Perfect for steam and diesel-era freight operations Authentic Pennsylvania design Over 30 factory-applied details including grab irons, bracing, underbody, interior and more Sloped-side cupola in centered position Fully assembled, ready for service Correct Trucks Correct 36" RP-25 wheels Proto MAX(TM) metal knuckle couplers Cars available only in this set include: 12 40' Rebuilt X29b Box - #30901, 30919, 30936, 30939, 30949, 30951, 30958, 30967, 30973, 30979, 30984, and 30997 N6B Cabin Car (Caboose) #981759 Western Region Available separately