285 45r22_gm heavy duty truck parts

The 6T45 transmission is part of a family of six-speed automatic transmissions developed by General Motors (GM). Designed to deliver a blend of performance, efficiency, and driving comfort, this transmission system has been widely used in various GM models across different segments. In this article, we will explore the features, applications, and overall performance of the 6T45 transmission, providing insight into why it has been a favored choice for many vehicles.


...

The second number, 65, represents the aspect ratio of the tire. This ratio is a percentage that describes the height of the tire's sidewall relative to its width. Specifically, the sidewall height is 65% of the tread width. For the 285/65R20 tire, the sidewall height would be approximately 185mm (calculated as 285mm x 0.65). A higher aspect ratio usually indicates a taller sidewall, which can improve ride comfort and absorb shocks from uneven terrain. However, it may also lead to less precise handling compared to tires with a lower aspect ratio.


...