This is a close to 1/87th or HO scale model of a Caterpillar construction vehicles. The model is made from diecast metal with plastic detail parts and is produced by Toy State under the Metal Machines brand name. The item would be considered a low detail model with few moving parts.
1:90th Scale - 320E Tracked Excavator - arm raises & lowers, rotates on chassis, bucket is fixed: and
Model is approx. 4" long.