VIDEO: Komatsu's amphibious bulldozers in action

Here is a picture gallery of the Komatsu D155 W underwater bulldozer at work sites. Dates and locations are not divulged.

The machine dates back to the '70s. A total of 36 machines were produced. Production was discontinued 20 years ago. Maintenance was difficult. Seat water caused significant rust and corrosion.

http://www.komatsu.com/CompanyInfo/views/pdf/201312/Views_No20_amphibious_bulldozer.pdf