These days they use a backhoe to do a thorough job.
As you research what wind power generator meets your requirements, including your budget, be sure to take into consideration other equipment you'll need for installation such as a backhoe and crane.
backhoe loader potentially scores over a tracked excavator is in its ability to move easily between various sites.
You will not need to hire a backhoe to dig out an area for the pool, there'll be no concrete to pour and no in-ground water system will be installed.
This is the occation for one of the most impressive 'cat fights' in film history, as Ripley dons a mechanical 'loadlifter' (a kind of wearable backhoe) to do hand-to-hand combat.