Data in the Decisiv SRM platform is an indicator of how new trucks and vehicle age impact service volumes. In Q4 2025 compared to the previous quarter, the top systems based on service transactions included Powerplant, which continued to rank in first place in service volume in all age brackets for the third consecutive quarter, and Cab & Sheet Metal remained in second place among newest vehicles. Other changes among the newest vehicles included Fuel System dropping from fourth to fifth place and Exhaust System moving from third to fourth place.