The Steel Clydesdale
Railroads and trains are commonly nicknamed "Iron Horses".
Lordroid Goldmann likes trains and horses well enough, both are useful. For himself personally, he wants the best. The Steel Clydesdale is Lordroid Goldmann's personal train.
Goldmann is a ruthless tight fisted miser, but he is not afraid of risk or hard work. Goldmann is not contest to lead from behind the front lines so to speak. If there is profit to be made, he will go anywhere to make sure that his underlings do their jobs correctly.
Just because Goldmann is willing to go to a dusty hellhole, it doesn't mean he wants to sleep on the hard ground with the snakes while eating hard biscuits.
The Steel Clydesdale is full of all sorts creature comforts. A full car for Goldmann's personal chef and kitchen and another car for his private store. Gold or gold plated décor is everywhere. Goldmann and his honored guests eat on fine silver and porcelain and sip on the finest imported wines and spirits.
If for whatever reason, Goldmann cannot take his train to a destination, the Steel Clydesdale has attachable cars with wagons and a fine stage coach to get him the rest of his way to his destination.
Behind Goldmann's personal cars are the cars for his workers and soldiers. They are paid well enough but they aren't exactly swimming in luxuries. There are also plenty of empty storage cars so Goldmann's boys can properly loot the resources from wherever the train goes.
Propulsion
The Steel Clydesdale may be filled with frivolous luxuries but it has muscle. It is pulled by the strongest steam engine Goldmann can afford even though it is normally only pulling a relatively small number of cars.
Weapons & Armament
Lordroid Goldmann has plenty of armed men with him whereever he goes so his train hauls cars with supplies and barracks for his men, including a substantial armor.
The train itself is rumored to house hidden artillery implacements but this has never been proven.
"Why would Goldmann weaponize his train when he has a large and expendable workforce he can put between himself and any dangers." -Croin Trissel, railroad bull
Armor and defense
The Steel Clydesdales is full of luxuries but does not seem like a combat vehicle. It is believed that Goldmann's sleeping car is well armored but most of the cars pulled by the train are ordinary train cars with no special properties though even the ordinary cars are full of nice things.