Today, a single mechanical shovel can replace 350 workers.

A unit adapted on a mechanical shovel: power and flexibility

This invention relates to a technique of automatic excavation by a power shovel.

The present invention relates to a heavy equipment drive axle structure such as a wheel loader, an excavator, or the like.

The arrangement includes a mechanical shovel or scoop (5) which can be attached to a shovel loader in a conventional manner and which has an open side through which the shovel can be filled with material.

A mechanical shovel helped extinguish the last fires of the fire.

A backhoe is a piece of excavating equipment with a tractor and loading bucket.

A mechanically operated fire door was also added to make the fireman's job easier.

Disclosed is a mechanized construction method for earth wire under-bracing using a backhoe.

The invention relates to a machine, particularly a digger, comprising a chassis with a moving gear mechanism and a revolving superstructure with a driver's cabin which is easily accessible and enables a good all-round view for the driver.

When payable material is found, we put a mechanical digger down the hole.

When, what appears to be payable material is found, we lower a mechanical digger down the shaft.

There is described an excavator tool (9) mounted to an arm (6) of an excavator for penetrating paving or asphalt without the need first to break up the paved surface.

This invention relates to linear excavation by a hydraulic excavator, such as a power shovel, having three service machines, a boom, an arm and a bucket.

A mechanically operated fire door was also added to make the fireman's job easier.