However, I can provide some general information about the transmission used in VOLVO excavators. Many VOLVO excavators, including the FC2121C, are equipped with an automatic transmission that is specifically designed to handle the demands of heavy-duty construction equipment.
The transmission used in VOLVO excavators typically has multiple speeds and is designed to be efficient and reliable. It features oil cooling and filtration to ensure that the transmission operates smoothly and consistently over long periods of time. The transmission also has a kickdown function that allows the operator to quickly shift between gears for improved performance in challenging conditions.