Extra Data for Kit 4.03
Union Tank Line Class X-3 6,500-Gallon Tank Car w/1937 frame
Kit 4.04
UTLX Union Tank Car Co. Class X-3 8,000-gallon tank car with long frame
Kit 4.05
UTLX Union Tank Car Co. Class X-3 8,000-gallon short tank car
![](../images/kit4-03_UTLX-6-5_7.jpg)
The Union Tank Line introduced the X-3 tank car design in 1917. This Resin Car Works kit (4.03) best reflects a series of 6.5K-gallon capacity UTLX X-3 tank cars built in 1937 by American Car & Foundry. The prototype cars were numbered 7500-9499. These cars had a different underframe from the original 1917-built X-3 cars, and they had bolted safety dome covers.
![](kit4-03_utlx_6-5G_x-3_files/kit4-03_X-3_6-5K_3.jpg)
Resin Car Works thanks the following rail historians and modelers for their high quality work. Without their efforts, these kits would not have been produced.
Steve Hile – prototype research
Tom Madden – resin casting
Frank Hodina - master pattern work, kit instructions and model photos
Ken Soroos – kit instruction coordination
Dave Campbell - decal artwork
These files are intended to help you build our models. Use the Kit 4.03 instructions for Kit 4.04 & 4.05 builds.
Kit 4.03 Instructions - 1 MB PDF
Kit 4.03 Instruction Images - 3 MB PDF
UTLX 6500 Gallon Class X-3 Tank Car prototype details by Steve Hile - 1.3 MB PDF
1936 General Arrangement Drawing - 2.8 MB PDF
Kit 4.04 extras
Arrangement drawing for UTLX 8K X-3 cars built by GAT
View of brake hardware installed on UTLX X-3 underframe
Kit 4-05 extras
AC&F general drawing for UTLX 8k X-3 cars with short tank
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