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A grader, also commonly referred to as a road grader, motor grader, or simply blade, is a form of heavy equipment with a long blade used to create a flat surface during grading. Although the earliest models were towed behind horses, and later tractors , most modern graders are self-propelled and thus technically "motor graders".
Caterpillar D9; Loader US Navy Caterpillar 924H Wheel Loader. Case/Caterpillar Skidsteer Loaders; John Deere 624J/K R TRACTOR, RUBBER TIRED, ARTICULATED STEERING, MULTIPURPOSE (TRAM) US Marines; Caterpillar 924H Wheel Loader; Caterpillar 966H Wheel Loader; Caterpillar 963 Crawler Loader; Grader. Caterpillar 140; Wheel tractor-scraper ...
The Caterpillar D5 is a small track-type bulldozer manufactured by Caterpillar Inc. The original D5 series was only produced in 1939. [ 1 ] The current D5 series being produced is the D5K.
Caterpillar D9 United States: Heavy armored bulldozer NA Caterpillar D8: NA Caterpillar D7G: NA Caterpillar CAT 924, 930, 950 & 966: Loader NA Caterpillar 349E: Large excavator NA Caterpillar 12G, 14M & 120M: Motorgraders NA Komatsu D155A, D275A Japan: Heavy bulldozer NA Komatsu PC400: Large excavator NA Husky 2G United States: Vehicle-mounted ...
The Caterpillar D7 is a medium track-type tractor manufactured by Caterpillar Inc. and most commonly used as a bulldozer. The D7 was first manufactured in 1938. A series of improved models were later produced, including the D7C in 1955, the D7D in 1959, the 160 hp (120 kW) D7E in 1961, the 180 hp (130 kW) D7F in 1969 and the 200 hp (150 kW) D7G ...
In 1968, Caterpillar bought the rights to this concept, thus the 770 hp (570 kW) DD9G was created (DD stands for Dual D9G). [1] Peterson also built the first SxS D9G, which has two D9Gs side-by-side, pushing a 24-foot (7.3 m)-wide bulldozer blade. In 1969, Caterpillar introduced this new SxS D9G.
The Caterpillar D11 can be distinguished from the Komatsu D475 by the elevated drive sprocket, or "High Drive" system, which results in a triangular, rather than oval, shaped track. The updated version of the Komatsu, the D575A , is the world's largest production bulldozer at 168 short tons (152 t) and 1,150 hp (860 kW). [ 5 ]
Caterpillar first introduced the RD4 in 1936, [1] as the diesel follow on to the successful CAT 30 gas model. The RD4 originally weighed in at 10,000 pounds (4,500 kg), and used Caterpillar's D4400 engine, an inline four-cylinders, with a 4.25 by 5.50 inches (108 mm × 140 mm) bore and stroke. [ 2 ]