N Scale Southern Pacific Tank Car SP O-50-12/13 (UP O-50-7)

Southern Pacific O-50-1/2/4 Tank Car Kits – N Scale

By Folsom Locomotive Works

Bring a piece of early-20th-century Southern Pacific history to your layout with this highly detailed SP Tank Car

Note: Trucks, couplers, weights, paint, and decals not included with these models. Photographs contain representations for our new .540” version T-section Trucks, as well as our new .540” L-section Andrews trucks, which were heavily featured on the earlier models of SP Tank cars.

O-50-12/13 Design. These tank cars are the ubiquitous SP tank car, having notably long service lifes, with at least 130 surviving all the way to 1975. (Dalman or Barber ASF trucks) MoW service: 

This model captures the rugged riveted-steel construction and classic proportions of the prototype, never before produced in N scale. Designed for experienced modelers who enjoy building and customizing their own rolling stock.

Instructions for 3d printed models can be found here: https://drive.google.com/file/d/1wyXfbqVb5zVcjb_PqlgIgdLh2HTTFr_M/view?usp=sharing our L-section andrews trucks can be found here: https://folsomlocoworks.etsy.com/listing/4467373830 if youre wanting T-section trucks for these cars, they can be found here: https://folsomlocoworks.etsy.com/listing/4467365775 other accurate trucks for these cars (depending on class and era) are: arch bar, bettendorf, dalman, and barber s2 (with plain bearings, ie not roller) all sold by micro trains. Kit includes: Detailed 3D-printed resin car body Digital download with assembly instructions and lettering diagram Notes: Decals, paint not included Trucks, couplers pictured, not included Resin parts are slightly more delicate than injection-molded plastic — handle with care and avoid direct sunlight © 2025 Folsom Locomotive Works. Model geometry and design are original works. Unauthorized reproduction, redistribution, or resale prohibited.