JKG air dryer digital controller, electric control valve K23JD-15, driver amplifier FD-24DC-0202/G, driver amplifier FR-24DC0201/G, transistor voltage regulator JFT204P, locomotive temperature junction box, harmony, speed sensor, 110V200W 110V100 metal halide lamp, metal halide lamp, electric control valve electric control valve TFK-110, TFK10-110