This is the Athearn HO Scale Thrall High Side Gondola w/Load, HZGX #2 (3 Pack).

MODEL FEATURES:
Removable load
Wire and plastic handrails, stirrup steps, ladders, and underbody details
Separately-applied brake gear including brake wheel, air reservoir, and brake cylinder
100-ton trucks with 36” wheels with RP25 contours operate on all popular brands of track
McHenry® scale knuckle spring couplers
Highly-detailed, injection molded body
Weighted for trouble-free operation
Minimum radius: 18”