The following table lists cargo types and classes for original TTD, ECS v1.2, and FIRS.
| ID | TTD | ECS 1.2 | FIRS | ||||
| Label | Cargo | Label | Cargo | Label | Cargo | ||
| 0 | 00 | PASS | Passengers | PASS | Passengers | PASS | Passengers |
| 1 | 01 | COAL | Coal | COAL | Coal | COAL | Coal |
| 2 | 02 | ||||||
| 3 | 03 | OIL | Crude oil | OIL | Crude oil | OIL | Crude oil |
| 4 | 04 | LVST | Livestock | LVST | Livestock | LVST | Livestock |
| 5 | 05 | GOOD | Goods | GOOD | Goods | GOOD | Goods |
| 6 | 06 | GRAI | Grain/Wheat/Maize | CERE | Cereals | GRAI | Grain |
| 7 | 07 | WOOD | Wood | WOOD | Wood | WOOD | Wood |
| 8 | 08 | IORE | Iron ore | IORE | Iron ore | IORE | Iron ore |
| 9 | 09 | STEL | Steel | STEL | Steel | STEL | Metal |
| 10 | 0A | VALU | Valuables/Gold/Diamonds | GOLD | Gold | MILK | Milk |
| 11 | 0B | PAPR | Paper | FOOD | Food | FOOD | Food |
| 12 | 0C | FOOD | Food | PAPR | Paper | SGBT / SGCN | Sugar beet / Sugarcane |
| 13 | 0D | FRUT | Fruit | FRUT | Fruit | FRUT | Fruit |
| 14 | 0E | CORE | Copper ore | FISH | Fish, seafood | FISH | Fish |
| 15 | 0F | WATR | Water | WOOL | Wool | WOOL | Wool |
| 16 | 10 | RUBR | Rubber | LIME | Limestone | CLAY | Clay |
| 17 | 11 | SUGR | Sugar | SAND | Sand | SAND | Sand |
| 18 | 12 | TOYS | Toys | GLAS | Glass | MNSP | Manufacturing supplies |
| 19 | 13 | BATT | Batteries | WDPR | Wood products | WDPR | Timber |
| 20 | 14 | CNDY | Candy floss | DYES | Dyes, paintings | SCMT / SUGR | Scrap metal / Sugar |
| 21 | 15 | TOFF | Toffees | FERT | Fertilizer | FMSP | Farm supplies |
| 22 | 16 | COLA | Cola | OLSD | Oil seeds | FICR | Plant Fibres |
| 23 | 17 | COCA | Cotton Candy (Candyfloss) | RFPR | Refined products | RFPR | Chemicals |
| 24 | 18 | BUBB | Bubbles | VEHI | Vehicles, machinery | ENSP | Engineering supplies |
| 25 | 19 | PLAS | Plastic | PETR | Petrol, gasoline | PETR | Petrol |
| 26 | 20 | FIZZ | Fizzy drinks | AORE | Bauxite (aluminum ore) | GRVL | Stone |
| 27 | 21 | PAPR | Paper (in temperate) | WATR | Water | AORE / RUBR | Bauxite / Rubber |
| 28 | 22 | n/a | BDMT | Building materials | BDMT | Building materials | |
| 29 | 23 | FICR | Fibre crops | BEER | Alcohol | ||
| 30 | 24 | n/a | n/a | ||||
| 31 | 25 | TOUR | Tourists | RCYC | Recyclables | ||