prime movers for artillery, and for a multitude of other tasks.155mm M1 Long Tom towed by standard Caterpillar tractor prime moverduring the Tunisia Campaign, 1942-43. The crawler tractors had unsurpassed capability to move and tow in the muddy jungles of the Pacific islands which made them especially prized by the Americans SeaBees, Marine Corps and Army units in the Pacific Theater.A Caterpillar D7 dozer gives an LCM(3) a helping hand.Caterpillar in Guam, 1945Marine's bulldozer with 3 tones cammo - Iwo Jima, 1945 When equipped with a bulldozer blade, they could level ground for roads and airfields as well as clear debris, construct fortifications and much more.Caterpillar D7 armoured cleaning the road.The King Tiger is not too heavy task for this girl!!Caterpillar D7 hydraulic blade in Gibraltarbuilding an airfield with a steamrollerSeabee Caterpillar working in airfield at Admiralty IslandsCaterpillar D7 Bulldozer with hydraulic angledozer LaPlant-Choateunder maintenance..Caterpillar D7 described: The D7 was a big machine 4.114 mm long and 2.539 mm wide without any attachments), but it was also a phenomenal worker_ Fitted with Cat's own model D-8800, 4 cylinder, 80 horsepower, 13.617 cc liquid cooled diesel engine, it had a maximum drawbar pull over 11.500 kg. With six speeds forward, four in reverse, it could work equally well in either direction. They can be fitted with a LeTourneau-type angledozer on which the blade could be manually adjusted to cut right or left, or to doze straight ahead. The power control unit can be front mounted, but. still relied on cables to raise the blade, A Hyster D7N 15 tons winch can be mounted at the rear, Weighing 14.400 kg, the D7 could tow loads exceeding 11.500 kg.Caterpillar D7 Bulldozer variants (WWII era):D7 7M series, manufactured 1940-1944, approx 10,000 produced. D8800 engine, 74 inch track gauge (1.880mm)D7A 1T1001 series, manufactured 1943, 138 produced. Armor plated 7M with twin hydraulic cylinders, rear mounted Hyster D7N winchD7 3T series, manufactured 1944-1955, over 28,000 producedD7 4T series, manufactured 1944-1945D7 6T series, manufactured 1945 During WW II, the D7 was one of the bulldozers collectively known as "Tractor, Heavy, M1." Equivalent tractors were produced during WW II by Allis-Chalmers Co. (Model HD10W, G-98) and International Harvester Co. (Model TD18, G-101). About one thousand Caterpillar D7s were also produced by American Car & Foundry under license when WW II military orders exceeded Caterpillar's capacity. See the movie below: a Caterpillar D7 in action:Specs:Caterpillar D7 bulldozerTypeTracked medium tractor (civil)Crawler heavy tractor M1 (military)Place of originUnited StatesService historyIn service1911-1945Used byAlliesWarsWWII, Korea, VietnanProduction historyDesignerCaterpillar Inc.Designed1938 ManufacturerCaterpillar Inc.- American Car & FoundryProduced1938 - Number built+ 39.000Variantssee textSpecifications Weight14.400 KgLengthWidhtHeight4.114 mm2.539 mm2.40mCrew1EngineTransmissionCat D8800 Diesel, 60/90 HP - 4 cyl. - 13.617 cc.6 gears fwd. x 4 rev.Speed forw.18 Km/hSpeed rev.11,2 Km/hFuel tank460 litersFuel consum.Traction cap.22 liters/ hour11.500 kg.The kit: Thank the Gods, today we are very well served in terms of tractors. Two Companies (MiniArt and Mirror) inject in plastic various versions of these vehicles, with very reasonable prices, in 1/35 scale: As a matter of choice of version, I chose this young lady: Caterpillar D7 Bulldozer - Hydraulic blade version. Let's start...In my