railroads began contracting with outside firms to build new coaling towers

Here is a Lionel 6-82705 O Gauge Reading PS-4 Flatcar #7336 with Stakes & Tarped Load

Model Number: BR5857

Trainz Product Id: 12310531

Each features an unpainted cast-metal body with very fine detail

Athearn 12135 N Frisco 60' PS Auto Box #9012 DwDetails-0.60-0.55-10.00-6.00-4.00-2 railroads began contracting with outsideThis is an Athearn 12135 N Scale Frisco 60' PS Auto Box #9012. Key Features: As delivered paint schemes , Early version: photo etched metal roofwalk and full height ladders , Highly detailed doors , Photo etched stirrup steps , 100 Ton roller bearing trucks with extended drawbar , CB&Q: Separately applied Burlington Route sign board , Era: Early 1960s thru 1970s , Minimum radius: 11 , Recommended radius: 15 , Multiple road numbers , Fully assembled