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Gear oil is a lubricant made specifically for transmissions, transfer cases, and differentials in automobiles, trucks, and other machinery. It has high viscosity and usually contains organosulfur compounds .
Usually, it is coloured red or green to differentiate it from motor oil and other fluids in the vehicle. This fluid is designed to meet the unique demands of an automatic transmission. It is formulated to ensure smooth valve operation, minimize brake band friction, facilitate torque converter function, and provide effective gear lubrication.
Valvoline received commendations by Charles F. Chandler and others at the Paris Exhibition of 1878. [7] By the 1890s, Valvoline oil was associated with winning race cars. [8] During the early 20th century, Valvoline was the recommended motor oil for the Ford Model T. [4] In 1949, Ashland Inc. purchased the Freedom-Valvoline Company. [9]
The company was the nation's 18th largest oil change company in 1997. [4] That year Oil Can Henry's signed a deal with Valvoline that included loan guarantees, payments to franchisees to help cover start-up costs, and a discount on oil. [4] By April 2007, the company had grown to 67 locations, with ten of those as company-owned shops. [5]
An oil pump, a vane or gear pump powered by the engine, pumps the oil throughout the engine, including the oil filter. Oil filters can be a full flow or bypass type. In the crankcase of a vehicle engine, motor oil lubricates rotating or sliding surfaces between the crankshaft journal bearings (main bearings and big-end bearings) and rods ...
Ashland was founded in 1924 as the Ashland Refining Company in Catlettsburg, Kentucky, by Paul G. Blazer. [3]In October 1923, J. Fred Miles of the Swiss Oil Company of Lexington, Kentucky [4] employed Paul G. Blazer and assigned him the task of locating, purchasing and operating a refinery in northeastern Kentucky.
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