Oil Savings Calculator Fleet Metrics Distance Traveled per Year (Miles): Number of Trucks in Fleet: Your Average Fuel Economy per Vehicle (MPG): Average Sump Size (Class 8 = 8-14 usg) (Gallons): Extended Oil Drain Current Oil Drain Interval (Miles): Proposed Oil Drain Interval (Miles): Current Engine Oil Cost: New Engine Oil Cost: Downtime, Labor and Filter Cost per Oil Change: Cost of downtime can range widely. Add this cost to oil, filter and labor Potential Fuel Savings with Lower Viscosity Oil: Cost of Diesel Fuel per Gallon: Estimate Your Fuel Savings % from using lighter viscosity oil (such as HD 10W-30): Industry reports average about 1.6%. Ranges from .5% - 4% depending on service and idle time. Calculate Savings
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