Pacific Rail Shops 40' Box Car

The kit numbers between B-300 and B-312 were based on the AAR 40' box cars with a 10'6" interior height.

The kit numbers between B-350 and B-359 were based on the AAR 40', double-door box cars with a 10'6" interior height.

The kit numbers between B-400 and B-439 were based on the 1937 AAR 40' box cars with a 10'0" interior height, and rounded corners.

The kit numbers between B-450 and B-466 were based on the 1937 AAR 40' box cars with a 10'0" interior height, and early square corners.

The February 1997 issue of the NASG's Dispatch, on page 16, has an article about how to build these kits, providing some helpful hints.