In the new RC set 4085 the main items are a diesel outline locomotive, a wagon with a container, and an overhead crane.
The body of the locomotive is the same as 4050 and was also used in some freight sets. The colour is orange with a gray roof. The chassis that is gray is the same overall size as 4050 but is a new one to take the RC motor block with battery case. The lamp housing which contains a working LED, buffers and control wheels inside are in black. The motor block is the current one as used in sets 4010 and 4011. The quartz used in this set is the green one 27.195MHz.
The wagon is the same base as used in 4126 but without the side pieces and there holders. The deck is gray and the chassis is black with black buffers. The container is the same as 7143 but is in green. This type of container has also been used with some Lorries.
The crane is the same as 4210 but in gray and with lifting ropes. Also included is a Transmitter/Controller, Battery case, Three figures, Pallet Jack and Crate from set 4474 but with four oil drums.
The track shown measures 144cm 56.7inch x 224cm 88.2inch. It consists of 1 L.H. Point 2 R.H. Points 11 Straights 18 Curves and One buffer stop.
