Bottom dumpers: Pup double, Rocky Mountain double, pup triple
Dry bulk tanks: B-double, Pup double, Rocky Mountain double, pup triple
Dry vans: B-double, Rocky Mountain double, Turnpike double, pup triple
Flatbeds: B-double, Pup double, Rocky Mountain double, Turnpike double, pup triple
Fuel tankers: Double & triple trailers - dolly types & B-double
Gas tanker: B-double
Food tankers: Double & triple trailers - dolly types only
Goosenecks: B-double, Rocky Mountain and Turnpike double with container, tank and miscellaneous cargo
Grain hopper: Pup double, pup triple, b-double & turnpike double
Insulated vans: B-double, Pup double, Rocky Mountain double, pup triple
Lowboys: Double (2-3) and triple (2-2-2 & 3-3-3) with assorted cargo
Nasty sliding tarp Things: B-double, Pup double, Rocky Mountain double, pup triple
Reefers: B-double, Rocky Mountain double, Turnpike double, pup triple
Side dumpers: B-double and Turnpike double trailers
Truck transports - Kenworth T680 and Western Star 49xx
Double versions of all SCS trucks not already included in the base game
Mildly modifie versions of some Jazzycat painted trucks which haul flatbed & dropdeck trailers only. This is to reduce the incidence of empty flatbeds.
Anything that isn't a def file for the other trailer mods, basically
Easter Eggs
A former The Prime Minister (possibly)
v1.50.2:
20' HC Arnook containers.
Articulated dumper and railway wagons in Oversize DLC addon.
Extra colours for Telehandler cargo.
Learn how to spell "oklahoma".
More cargo for dropdecks, flatbeds, lowboys, car & van transporters.
More colours AND smaller files for single trailers.
Reduced spawn freqency of double goosenecks
Regional variation in agricultural & forestry frequencies.
Rework distribution of 53' trailers as there ISN'T a blanket ban in California after all.
Spiffy paint jobs for divers tanks & dumpers.
Triples for cargo in parts of Canada.
Vertical opening bottom dumpers.
And the inevitable bug fixes...