TEPCO started using large remote-controlled excavation vehicles to clear the debris around the Fukishima plants this past weekend, including power shovels and bulldozers. The work is being controlled by operators in lead-covered operating rooms using cameras mounted on the robots and around the area.
These machines are being used in conjunction with the remote controlled Honeywell T-Hawk micro air vehicles to shoot videos like the one below, along with Qinetiq Talons (small recon bots) and radiation measuring bots.
https://kotaku.com/fukushima-nuclear-plant-getting-help-from-an-xbox-360-5787944
Qinetiq also donated Bobcat power loaders that can lift cars, but those machines are still being evaluated for use at the plant. [CNet]