Rail and Locomotive

Rail and locomotive systems are among the most demanding environments for thermal management. Locomotives operate continuously across extreme conditions — from freezing mountain passes to scorching desert corridors — while enduring relentless vibration, heavy shock loads, and fluctuating power demands. Keeping these powerful machines running efficiently requires heating and cooling solutions that are as tough and dependable as the engines themselves.

The thermal requirements of a locomotive are uniquely complex. Diesel-electric locomotives generate enormous heat through their prime mover engines, traction motors, and turbochargers, requiring high-capacity cooling for engine jackets, lube oil, and intercooling systems. At the same time, cab heating and engine pre-heating in cold climates are critical for crew safety, startup reliability, and emissions compliance.

Whether managing heat rejection at full throttle on a long freight haul or maintaining stable operating temperatures during yard switching cycles, every component in the thermal system must perform without fail.

General ThermoDynamics & Airtech has been engineering premium thermal solutions for the domestic and international rail industries for more than a quarter century. Our mechanically bonded radiators are purpose-built to withstand the punishing shock and vibration of non-stop rail operation, delivering a proven low total cost of ownership and long service life. We also offer a complete line of oil coolers, intercooler replacements, and standard EMD and GE cores — all in stock and ready for immediate shipment.