This is the Joskin Betimax R 6000 Livestock Trailer. It is a smaller trailer capable of transporting 8 cattle, 14 sheep or pigs and up to 60 chickens.
Ramp, Doors and fences open and close on foot using Keypad 8 or 9
Add or Remove the Tarpaulin using key N with the trailer attached to a tractor.
Tested using FS15 update 1.4.2