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Introduced in 2001 as the successor to the D575A-2 SD Super Dozer, the D575A-3 SD Super Dozer is a dedicated dozer with no ripper weighing 152,600 kilograms (336,400 lb). Equipped with a standard blade, the D575A-3 SD is capable of moving up to 90 cubic yards (69 m 3 ) of material per pass, however, when equipped with an optional blade, the ...
The current version is the 248,240 pounds (112,600 kg), 899 horsepower (670 kW) D475A-8 Tier 4. [2] There are several versions of the D475A that are used in surface mining, open-pit mining, quarries and construction worldwide. The 740 horsepower (550 kW) D475A-1 was introduced in 1986 as a replacement for the 650 horsepower (480 kW) D455A.
The Cat D10 could be ordered with up to a 19-foot (5.8 m) U-blade, and weighed in at 180,000 lb (82,000 kg). Later versions weighed in at 190,000 lb (86,000 kg). The U-blade was 7 feet (2.1 m) high and could push 35 cu yd (27 m 3) according to Caterpillar's literature. The November 1977 issue of Excavating Contractor magazine had a 2-page story ...
Universal ("U-Blade"): A tall and very curved blade with large side wings to carry more material "S-U" combination: A shorter blade with less curvature and smaller side wings; Other blade types include landfill U-Blades, woodchip U-blades, and two-way blades for work inside the holds of ships.
The dozer blade usually has three variants: A straight blade ("S-blade") is short and has no lateral curve, with no side wings, and can be used for fine grading. A universal blade ("U-blade") is tall and very curved, and has large side wings to carry more material. A "S-U" combination blade is shorter, has less curvature, and has smaller side ...
The dozer blade on the front of the tractor can come in different varieties: A straight blade ("S-Blade") which is short and has no lateral curve, no side wings, and can be used for fine grading. A universal blade ("U-Blade") which is tall and very curved, and has large side wings to carry more material.
This new designation has now put the current D5's weight at close to 43,000 pounds (20,000 kg). This is a considerable increase over any previous D5 models. The heavier, elevated versions of these could weigh 34,000 pounds (15,000 kg). At most, or as little as 20,000–25,000 pounds (9,100–11,300 kg).
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] In 1935 Caterpillar had started the naming convention of "RD" for diesel or "R" for regular gasoline, followed by a number to indicate the relative engine ...
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