This spreads the weight over eight axles to help prevent overloading

Here is a Lionel 6-6579 O New York Central 4-Wheel Crane Car

Model Number: 39840

Model Number: 20-90571

Lionel 2123040 John Deere O Gauge GP38 Diesel Locomotive Starter Train Set ProductID_11553413 This spreads the weight overThis is a Lionel 2123040 John Deere O Gauge GP38 Diesel Locomotive Starter Freight Train Set. SET INCLUDES: John Deere GP38 diesel locomotive. John Deere Tank car. John Deere Flatcar with tractors. John Deere Caboose. Eight pieces of O36 curved FasTrack. Two FasTrack 10 straight track sections. One LionChief FasTrack Terminal section. One Plug Expand Play Power Lock on section. Wall pack power supply. LionChief remote for locomotive. LOCOMOTIVE