In the UK, wheeled excavators are sometimes known as "rubber ducks."

Rubber duck (engineering vehicle) British slang for a wheeled excavator.

The largest and heaviest terrestrial machines in the world are the bucket wheel excavators used for coal mining.

For example, to remove overburden that is loose or unconsolidated, a bucket wheel excavator might be the most productive.

Leached ore is removed by bucket wheel excavator followed by secondary leaching.

Next, huge machines, such as dragline excavators or Bucket wheel excavators, extract the mineral.

A bucket wheel excavator (BWE) consists of a superstructure to which several more components are fixed.

More recently, a wheeled excavator would be chained to the Hulett's bucket and lowered into the hold to fill the Hulett.

Bucket wheel excavators and bucket chain excavators take jobs that were previously accomplished by rope shovels and draglines.

In order to reach this target the equipment in the mines includes 11 bucket wheel excavators linked to automatic conveyor belt systems and four stacker spreaders.

Staffordshire JCB Heavy Products Ltd of Uttoxeter, for tracked and wheeled excavators.

Tenova TAKRAF official website (Products: Mining Equipment: Bucket Wheel Excavators)

This equipment can include the following: Draglines which operate by removing the overburden, power shovels, large trucks in which transport overburden and coal, bucket wheel excavators, and conveyors.

The only remaining large scale open-pit brown coal operations that might have been suitable for Big Muskie's design were located in Germany, where more efficient giant bucket wheel excavators had long since made large draglines obsolete.

New Holland Construction manufactures construction equipment including crawler and wheeled excavators, wheel loaders, backhoes loaders, skid steer loaders, dozers, telehandlers, mini-wheel loaders compact track loaders, mini and midi excavators and graders.

Case Construction Equipment offers construction equipment, including backhoe loaders, articulated trucks, crawler and wheeled excavators (including compact), telehandlers, motor graders, wheel loaders (including compact), vibratory compaction rollers, crawler dozers, skid steers, compact track loaders, tractor loaders and rough-terrain forklifts.