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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".
The motor grader line received the first power-shift transmission, which was a major advance, in 1955. Called the Galion Grade-O-Matic drive, it utilized a torque converter, output shaft governor and power-shift transmission, providing simple two-lever control of speed and direction. The Galion T-700 garnered the world's largest grader title in ...
A-B were also significant for their all wheel driven and all wheel steering motor graders often using Leyland Trucks running gear as were also producers of ADT models called the RDX Series with 6X6. A line of rigid dumpers was manufactured from 30 tonne RD030 through to the 50 tonne RD050 and eventually a RD55 and RD65 were added.
Heavy equipment vehicles of various types parked near a highway construction site. Heavy equipment, heavy machinery, earthmovers, construction vehicles, or construction equipment, refers to heavy-duty vehicles specially designed to execute construction tasks, most frequently involving earthwork operations or other large construction tasks.
The Caterpillar C32 is a V12 diesel engine made by Caterpillar Inc. The engine displacement is 32.1 liters (1959 cubic inches). The cylinder size is 5.71 inches x 6.38 inches bore/stroke. The engine can produce up to 1900 horsepower at 2300 rpm. The peak torque of 5532 lb-ft occurs at an engine speed of 1300 to 1800 RPM.
Caterpillar stock is a component of the Dow Jones Industrial Average. [11] Caterpillar Inc. traces its origins to the 1925 merger of the Holt Manufacturing Company and the C. L. Best Tractor Company, creating a new entity, California-based Caterpillar Tractor Company. [12]
The 405 hp (302 kW) D9R replaced the D9N in 1996. The 410 hp (310 kW) D9T replaced the D9R in 2004. The main difference between the D9T and the D9R is the installment of the new Cat C18 ACERT inline-six engine in the D9T vs the V8 3408 HEUI in the D9R. The D9R has clutch and brake steering, while the D9T has differential steering.
The option of power steering was also made available. At serial number 9001 a larger engine was introduced, as well as a few other minor improvements. The D15 had a 16-US-gallon (61 L) fuel capacity for gas and diesel, and a 15.75-US-gallon (59.6 L) capacity for LP gas. Dual and single front wheels and an adjustable front row-crop axle were ...