GB/T 12539-1990
AbolishedMotor vehicles--Steep hill climbing--Test method
汽车爬陡坡试验方法
Application Summary AI generated
This standard specifies the test method for evaluating the ability of motor vehicles to climb steep hills under controlled conditions. It is applied in the automotive industry to assess the gradeability and powertrain performance of passenger cars, trucks, and buses during vehicle development and type approval testing. The method defines procedures for measuring maximum climbing angle on a test ramp or natural slope, ensuring consistent evaluation of vehicle traction and engine torque output.
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