American Bulldozers and Tractors

Caterpillar D7 with LeTourneau R7 PCU and LeTourneau WCK7 angledozer moving ground, at the Construction Battalion Training Center, Camp Endicott, US Navy, Davisville, Rhode Island, Fall 1943.

Caterpillar D7 with LeTourneau R7 PCU and LeTourneau WCK7 angledozer moving ground at the Construction Battalion Training Center, Camp Endicott, U.S. Navy, Davisville, Rhode Island, Fall 1943.

Caterpillar D7 with LeTourneau R7 PCU and LeTourneau WCK7 angledozer moving ground at the Construction Battalion Training Center, Camp Endicott, U.S. Navy, Davisville, Rhode Island, Fall 1943.

Caterpillar D7 with LeTourneau R7 PCU and LeTourneau WCK7 angledozer moving ground at the Construction Battalion Training Center, Camp Endicott, U.S. Navy, Davisville, Rhode Island, Fall 1943.

Caterpillars D7 with LeTourneau R7 PCU and LeTourneau WCK7 angledozer preparing the header of a double Bailey bridge near the Arno River, Italy, 1945.

View of workers with Caterpillar D7 diesel tractor with LeTourneau angle dozer clearing debris from a demolished bridge over the Meurthe River, France during World War II. Tractor operated by a member of the 7th Army Engineers. 

Commercial Caterpillar D7 (notice DIESEL on the side of the engine hood) under trials with M1 gun 155mm Long Tom, as artillery prime mover.

Caterpillar D7 with LeTourneau R7 PCU and LeTourneau WCK7 angle dozer from 65th Engineer Combat Battalion, cleaning the terrain in Lynx Red Road, Luzon, Philippines, May, 1945.

Caterpillar D7 Heavy Tractor, M1, 818th Engineer Aviation Battalion, France, 1944.

Caterpillar D7 dragging medical supplies on a wooden sled at Depot M-402T, Carentan, Normandy, 1944.

Caterpillar D7 "Booger Kid" with LeTourneau R7 PCU and LeTourneau WCK7 angle dozer in a damaged French village, shortly after the Normandy landings. Markings on the rear of the tractor are "3A - 628E - LE" =  3rd Army, 628th Light Engineer Company. France, 1944.

Caterpillar D7 "Booger Kid" with LeTourneau R7 PCU and LeTourneau WCK7 angle dozer filling bomb craters on a Normandy country road, west of St. Lo. Note the right side rack with German jerry cans, France, 1944.

The charred remains of a Panzerkampfwagen IV number 532 being bulldozed by a Caterpillar D7 into a heap amongst the rubble.  St Gilles, Normandy, France, July 1944.

Caterpillar D7 with LeTourneau R7 PCU and  LaPlant-Choate R76R Trailbuilder dozer from the U.S. Army gives an LCM-3 a helping push. Operation Plunder, crossing of the lower Rhine, Germany,  March 1945.

Caterpillar D7 with LeTourneau R7 PCU and  LaPlant-Choate R76R Trailbuilder dozer from the U.S. Army gives an LCM-3 a helping push. Operation Plunder, crossing of the lower Rhine, Germany,  March 1945.

Caterpillar D7 serving with the U.S. Army, clearing the thick jungle after the battle of Guam, 1945.

A very dirty Caterpillar D7 with LeTourneau FTD7 PCU,  LeTourneau WCK7 Angledozer and Hyster D7N towing winch in the rear.

Caterpillar D7 of a Naval Construction Battalion (Seabees) with LeTourneau FTD7 PCU to operate the LeTourneau WCK7 Angledozer and a LeTourneau R7 PCU to operate any towed equipment, Eniwetok, Marshalls Group, 1944.

Caterpillar D7 with LeTourneau R7 PCU and LeTourneau WCK7 Angledozer, removing debris and rubble at Roncey, France, 2 August 1944.

Caterpillar D7 with LeTourneau R7 PCU and LeTourneau XD7 Bulldozer assisting a International Harvester M426 5-ton 4x2 tractor truck out of the mud at an Ordnance Depot,  Normandy, France.

Seabee Caterpillar D7 tractor with LeTourneau R7 PCU and LeTourneau A7 tiltdozer. The left curved guard is missing. Solomon Islands, 1945.

Caterpillars D7 with LeTourneau R7 PCU and LeTourneauWCK7 angledozer clearing mud in Mignano Sector, Italy, 1944.

Seabee Caterpillar D7 with LeTourneau R7 PCU and LeTourneau XD7 Bulldozer, leveling an airfield. Note the adjustable eyebolts at the upper corners of the bowl. Iwo Jima, June 1945.

Caterpillar D7 with LeTourneau R7 PCU and LeTourneau XD7 Bulldozer.

Caterpillar D7 with LeTourneau R7 PCU and  LaPlant-Choate R76R Trailbuilder dozer working at the beach.  South Pacific, 1944.

Caterpillar D7 tractor LaPlant-Choate R71 trailbuilder dozer clearing debris from street at Nantes, France, 1944.

Caterpillar D7 LaPlant-Choate R71 Trailbuilder (hydraulic) and the LeTourneau R7 PCU in the rear. The bulldozer is clearing rocks from roadway between Colli and Cema, Italy, 1944.

Caterpillar brochure photo showing a D7 tractor equipped with  LaPlant-Choate R76F Trailbuilder dozer controlled by a LeTourneau FTD7 PCU and a Hyster D7N Trailer Winch in the rear.

Caterpillar D7 crawler tractor.

Caterpillar D7 crawler tractor.

Caterpillar Crawler Tractor M1 Model D7 (7-M).

Hyster 07N towing winch installed in the rear of a Caterpillar D7.

Allis-Chalmers Craw;er Tractor M1 Model HD10W (G-98),

International Harvester Crawler Tractor M1 Model TD18 (G-101).

Caterpillar Diesel advertisement.

Tractor, Crane, 2-ton, M3, used by the Army Air Forces to perform light towing and lifting operations.

Tractor, Crane, 6-ton, M4, used by the Army Air Forces to lift aircraft engines into engine mounts.

Tractor, Crane, 2-ton, M5, used by Aviation Ordnance companies.

Tractor, High Speed, 7-ton, M2, used by the Army Air Forces to tow equipment over rough terrain.

Cletrac tractor with P-47 Thunderbolt, France.

A Marine M-2-4 (right) and an International TD-18 tractor (left) on the beach at Okinawa.

International Harvester diesel tractor advertisement.

Goose Bay, Labrador, Canada, December 1942: U.S Airmen pull a fuel trailer with an M2 High Speed Tractor on the U.S. Air Base in Goose Bay, Labrador, Newfoundland, Canada.

A CG-4A glider is about to leave the ground in tow of a Douglas C-47 of the Ninth Troop Carrier Command, during a snatch pickup at a glider marshaling area in Wesel, Germany. Note the tractor towing another glider into position for another snatch pickup. 17 April 1945.

P-47 being towed by Cletrac tractor.

An prime mover tractor pulling a 155 mm Gun down a paved road. First Army Maneuvers, October-November 1941.