> 1944 Clark Airborne dozer manufactured in World War II for transport by glider to build/repair airplane runways in remote areas or behind enemy lines. Historical Construction Equipment Association 2007 National Convention and Old Equipment Exposition, Zagray Farm Museum, Colchester, CT, July 21, 2007.
 > Caterpillar D6R bull dozer moves earth to rough grade path of scraper excavating earth. The Courtyards private dormitory, North Campus, University of Michigan, Ann Arbor, Michigan. 2007.
 > Caterpillar D4H XL bull dozer moves earth at site of new North East Branch Library, Ann Arbor, Michigan, May, 2007
 > Caterpillar 623B self elevating scraper doing cut and fill to prepare land for development between Phoenix and Tucson, Arizona. Scraper filled its bowl doing cut and raised bowl to travel. It has now lowered bowl and its ejector is pushing the soil load out the front of lowered bowl to dump the load. November, 2006.
 > Caterpillar 623B self elevating scraper doing cut and fill to prepare land for development between Phoenix and Tucson, Arizona. Scraper has filled its bowl doing cut and is traveling with bowl raised to fill area to dump its bowl. November, 2006.
 > Caterpillar 623B self elevating scraper doing cut and fill to prepare land for development between Phoenix and Tucson, Arizona. Scraper has filled its bowl doing cut and is traveling with bowl raised to fill area to dump its bowl. November, 2006.
 > Earthmoving construction: Caterpillar 9506 front end loader picks up and loads Western Star truck trailer with large stones from excavation for building extension. In background is vibratory pile driver and its power station. University of Michigan dormitory project, Ann Arbor, Michigan, December 2006
 > Earthmoving construction: Caterpillar 9506 front end loader picks up and loads Western Star truck trailer with large stones from excavation for building extension. In background is vibratory pile driver and its power station. University of Michigan dormitory project, Ann Arbor, Michigan, December 2006
 > Caterpillar 140H motor grader does fine grading of soil for city street with its blade, Denver, Colorado, 2006
1944 Clark Airborne dozer manufactured in World War II for transport by glider to build/repair airplane runways in remote areas or behind enemy lines. Historical Construction Equipment Association 2007 National Convention and Old Equipment Exposition, Zagray Farm Museum, Colchester, CT, July 21, 2007.
 > 1944 Clark Airborne dozer manufactured in World War II for transport by glider to build/repair airplane runways in remote areas or behind enemy lines. Historical Construction Equipment Association 2007 National Convention and Old Equipment Exposition, Zagray Farm Museum, Colchester, CT, July 21, 2007.
1944 Clark Airborne dozer manufactured in World War II for transport by glider to build/repair airplane runways in remote areas or behind enemy lines. Historical Construction Equipment Association 2007 National Convention and Old Equipment Exposition, Zagray Farm Museum, Colchester, CT, July 21, 2007.
Photo by: My Construction Photos · see photo in gallery