SAE J1264-2011 PDF

Scope: This recommended practice provides minimum requirements for testing components or systems of the type which can be switched from one truck to another with relative ease; i.e., aerodynamic devices, clutch fans, radial tires, and the like. The test utilizes in-service fleet vehicles, operated over representative routes. The relative fuel effectiveness of the component or system under test is determined as a percentage improvement factor. This factor is calculated using the relative fuel usage of like vehicles operating with and without the specific component or system under evaluation. Accuracy capability employing this test technique is either +-1% or +-2%, depending upon the method of fuel measurement.

SAE J1264-2011 history

2011 SAE J1264-2011 Joint RCCC/SAE Fuel Consumption Test Procedure (Short Term In-Service Vehicle) Type I
1986 SAE J1264-1986 Joint RCCC/SAE Fuel Consumption Test Procedure (Short Term in-Service vehicle) Type I
1979 SAE J1264-1979 Joint RCCC/SAE Fuel Consumption Test Procedure (Short Term In-Service Vehicle), Type 1, Recommended Practice