3RL PS-4427 LOW-SIDE HOPPER ADM 6688 (BLUE/WHITE) Features: True ¼" scale dimensions Full brake line details Opening hatches with full working latch assembly Separately-applied wire grab irons See-through roofwalks Sprung die-cast 100-ton roller-bearing trucks with rotating bearing caps Accurate painting and lettering Minimum diameter curve: O-45 (3-Rail) Minimum radius curve: 36" (2-Rail)