This dashboard clock for Volvo trucks is compatible with models using part numbers 20970778, 21375853, 21573674, 21843943, 22185297, and 20801968. The instrument panel includes a tachometer that measures revolutions per minute (r/min x 100), a speedometer that measures speed in kilometers per hour (km/h), a fuel level indicator, and several other indicators for monitoring various functions and states of the vehicle. The ergonomic design and clarity of the display ensure easy and quick reading of essential information for the driver.