K&S Engineering 1147 3/16"x36" Round Brass Tube with .014 Wall 6 Pack Helicopter heavy duty (left & right)/

heavy duty (left & right)/ portal drive input gear

all Class I's use at least some AC units and most are adding mainly AC units going forward

3012 & 3023 from series 3000-3064

BLI (Broadway Limited Imports) 7284 N Scale 40' USRA Boxcar Union Pacific  UP

95in / 75mm

K&S Engineering 1147 3/16"x36" Round Brass Tube with .014 Wall 6 Pack Helicopter heavy duty (left & right)/K&S Engineering 1147 3 16"x36" Round Brass Tube with . 014 Wall 6 Pack 3 16" OD x 0. 014" Wall x 36" Long Round brass tubing is a popular material choice for a wide range of applications. Brass is a highly durable metal with excellent corrosion resistance, making it ideal for use in harsh environments. Additionally, brass tubing has high thermal conductivity, making it an excellent choice for use in heat exchangers, radiators, and other applications