PENNSYRR.COM by Jerry Britton

7001LargeFunaro & Camerlengo X28A - Available with multiple brake and door configurations.

The PRR’s X28 boxcar was developed from a combination of the evolution of lessons learned with the X25 fleet and the ARA mandate for standardized single-sheathed 50 ton boxcars. The X28 was an automobile version of the ARA boxcar, although based on a PRR design. The first 1,000 cars of the 5,000 car fleet were equipped with corrugated Youngstown doors, with the remaining 4,000 equipped with three-panel car builder doors. The X28 fleet was built during 1924 and 1926. Following development of the X31 “wagontop” boxcar in 1933 by the PRR, the X28 Automobile version was deemed obsolete and a rebuild program from 7/1933 to 7/1935 removed the double door configuration to only a single door creating the X28a. Nearly the entire X28 fleet was converted to the X28a class. By 1955, 3,500 X28a remained and by 1968, only 8 were still on the roster. (Source:

The X28 has been offered in brass by Overland and Precision Scale. The X28A has been offered in brass by Oriental Limited and Overland, and in resin by Funaro & Camerlengo and Sunshine. Decals are available from

Three lots of X28 were built:

  • Series 28100-29099, built 5-24 to 11-24 by Newport News Shipbuilding & Dry Dock Co.
  • Series 29100-30999, built 7-24 to 12-24 by Standard Steel Car Co., Middletown, Pa.
  • Series 37000-37099, built 12-24 by Standard Steel Car Co., Middletown, Pa.

Overview of Sub-Classes

  X28 X28A

Newport News Shipbuilding & Dry Dock Co. 

Standard Steel Car Co.

X28 Rebuild 
First Built 1924 1933 
HO Scale Models

Overland (brass)

Precision Scale (brass)

Funaro & Camerlengo

Sunshine (out of business)

Oriental Limited (brass)

Overland (brass) 

Doors Door and a Half  Single


Cars on the PRR roster (as listed in the Official Railway Equipment Register (ORER)):

ClassCarNumberAAR ClassPRR Oct 44PRR Oct 48PRR Apr 52PRR Oct 53PRR Oct 58PRR Oct 63PRR Apr 68
X28a 120012 125000 XM 4952 4777 3785 3592 2921 349 7
Roster data compiled by Rich Orr; courtesy of


PRR 28100 X28 MCL1926