Remote monitoring systems for locomotives and engines comprised of computers, telecommunication equipment, namely, satellite modems, locomotive control computers, electronic measuring devices and electronic sensing devices for evaluating the critical operating parameters of the engine, braking system, speed controls, HVAC, and related equipment in locomotives and engines, computer software for use in operating remote monitoring systems for locomotives and engines, operator user interface computers, cellular modems, digital cellular modems, analog cellular modems, load balancing devices, wireless load balancing devices, global positioning systems, cellular system providers, mainframe servers with web-based applications and databases, event recording systems comprised of electronic recording machines for recording data on operating parameters, location, and status of locomotives and engines; electronic measuring, sensing, recording, signaling, and warning apparatus used in evaluating the critical operating parameters of the engine, braking system, speed controls, HVAC, and related equipment in locomotives and engines; computer software for use in electrical and electronic monitoring systems, operation systems and control systems in the field of locomotives and engines; electrical and electronic control apparatus and systems for the control of locomotives and engines comprised of computers, computer software for use in operating remote control systems for locomotives and engines, telecommunication equipment, namely, satellite modems, locomotive control computers, and electronic measuring devices, electronic sensing devices for evaluating the critical operating parameters of the engine, braking system, speed controls, HVAC, and related equipment; electrical and electronic monitoring and switching apparatus and systems comprised of computers, computer software for use in the field of tracking the activities, location, and status of locomotives and engines, telecommunication equipment, namely, satellite modems, locomotive control computers, electronic measuring devices and electronic sensing devices for evaluating the critical operating parameters of the engine, braking system, speed controls, HVAC, and related equipment