Good morning, you have to go to the crane's xml at the search center off mass, the value will be like 36000, change to 160000, don't change anything else, the crane will have 160 tons and with the weights of 10 tons of additional ones, various up to the weight of the locomotive, for example one 180 ton locomotive put the crane with 8 weights of 10 tons it will give you 80 tons plus its 160 tons lift the locomotive found out if you have difficulty let me know and I will send you the edited xml ok