NGIR Drift AS is going to purchase an electric crawler excavator and wants to know what is available on the market for electric crawler excavators of approximately 29 tons. The crawler excavator should be able to do the job equivalent to what a 26-ton diesel-powered crawler excavator can do. The crawler excavator will mainly be used for moving materials in a new soil washing plant, but other work tasks can be, for example: Sorting materialsLoading materials