Rolling Resistance Measurement Procedure for Passenger Car, Light Truck, and Highway Truck and Bus Tires
J1269_202012
This SAE Recommended Practice applies to the laboratory measurement of rolling resistance of pneumatic passenger car, light truck, and highway truck and bus tires.
The procedure applies only to the steady-state operation of free-rolling tires at zero slip and inclination angles; it includes the following three basic methods:
Rationale:
This revision is being done to primarily address issues with the formatting of the equations within the documents. Various revisions over time have resulted in technical errors within those equations as unintended consequences of the revisions. The revised document has corrected all of those known issues.
Related Topics:
Tire friction
Light trucks
Drag
Electric power
Identification numbers
Fuel consumption
Buses
Elastomers
Tires
Also known as: SAE J 1269
SAE MOBILUS
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