A version in the original paintwork of the Epoche IV. Engine: ivory/signal red with black trim; Roof and Platform: silver, Chassis: black.
Technical specifications are the same as Model X 534.45.
Three different lorries were developed for the two Aerial Platform Wagons:
312 Truck with 2 cable drums
312/1 Truck with side walls (yellow or grey)
312/2 Truck without side walls (yellow or grey)