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Passenger Car Tire Performance Requirements and Test Procedures

Highway Tire Committee
  • Ground Vehicle Standard
  • J918_201806
  • Current
Published 2018-06-29 by SAE International in United States

This SAE Standard provides minimum performance requirements and accompanying uniform laboratory test procedures for evaluating certain essential characteristics of new tires and newly retreaded tires intended for use on passenger cars.

Light Vehicle Dry & Wet Stopping Distance Test Procedure

Highway Tire Committee
  • Ground Vehicle Standard
  • J2909_201806
  • Current
Published 2018-06-12 by SAE International in United States
This document establishes best practices to measure vehicle stopping distance on dry or wet asphalt in a straight path of travel intended for the purpose of publishing stopping distance by manufacturers and media organizations for vehicles with original equipment tires. It is recommended that the test method within be adopted for all vehicles less than 4536 kg (10000 pounds) GVWR. This procedure is typically used with initial speeds of 100 km/h and 60 mph, but other speeds may be used. Since tires play a significant role in stopping distance, this procedure covers tire types typically used as original equipment on new vehicles including all-season, summer, and all-terrain tires. This document may serve as a procedural guideline for all tire types, but the surface temperature correction formulas in this procedure were developed using all-season tires and may not be applicable to other tire types.
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Wet or Dry Pavement Passenger Car Tire Peak and Locked Wheel Braking Traction

Highway Tire Committee
  • Ground Vehicle Standard
  • J345_201802
  • Current
Published 2018-02-15 by SAE International in United States
This SAE Recommended Practice defines the best known techniques for evaluating peak and locked wheel braking traction. It covers an important phase of tire braking traction, namely, the wet or dry pavement straight ahead conditions. However, this is but a small portion of the whole field of tire traction. As test procedures are established for other phases of this complex study, additional supplementary procedures will be written. A discussion of this entire subject is contained in Appendix B to this recommended practice.
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Performance Requirements for Snap-In Tubeless Tire Valves

Highway Tire Committee
  • Ground Vehicle Standard
  • J1205_201801
  • Current
Published 2018-01-19 by SAE International in United States
This SAE Standard for snap-in tubeless tire valves was developed by the qualified engineers in the tire, valve, and automotive industries. It is based upon sound engineering principles, supported by laboratory testing and field experience, to establish acceptable levels of performance criteria for valves.
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Methods for Testing Snap-In Tubeless Tire Valves

Highway Tire Committee
  • Ground Vehicle Standard
  • J1206_201801
  • Current
Published 2018-01-19 by SAE International in United States
This SAE Standard contains recommended test methods for snap-in tubeless tire valves intended for, but not limited to, highway applications. A snap-in valve is a tire valve having a rigid housing adhered to a resilient body designed to retain and seal the valve in the rim hole.
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Measurement of Passenger Car, Light Truck, and Highway Truck and Bus Tire Rolling Resistance

Highway Tire Committee
  • Ground Vehicle Standard
  • J1270_201710
  • Current
Published 2017-10-12 by SAE International in United States
The force, torque, and power methods of measurement are all in common use and should yield the same test results. Effects of steering, traction, surface texture, and non-steady-state tire operations are excluded from the recommended practice because they are still in the research stage.
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Stepwise Coastdown Methodology for Measuring Tire Rolling Resistance

Highway Tire Committee
  • Ground Vehicle Standard
  • J2452_201707
  • Current
Published 2017-07-26 by SAE International in United States
This SAE Recommended Practice is applicable to pneumatic Passenger Car “P” Type, Light Truck Metric, and Light Truck High Flotation tires, or similar tires approved by bodies other than Tire & Rim Association. The methodology is applicable within normal operating ranges of vertical load and inflation pressure, and for velocities between 115 km/h and 15 km/h (71 mph and 9 mph) during a relatively short duration event such as a coastdown. This procedure is applicable only to operation in the free-rolling mode at zero slip and camber angle for ambient temperatures between 20 °C and 28 °C (68 °F and 82 °F) and for surfaces with diameters of 1.2 m (48 in) diameter or greater. Details regarding the equipment, tires, and test methods used specifically for validation of this document are included in Appendix A. Two basic measurement methods covered by this document are as follows:
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Tire Performance Terminology

Highway Tire Committee
  • Ground Vehicle Standard
  • J2047_201303
  • Current
Published 2013-03-11 by SAE International in United States
This terminology aims to encompass all terms and definitions pertaining to the road performance of pneumatic tires designed for over-the-highway use, such as passenger car, light truck, truck and bus, and motorcycle tires. Not included are terms specific to the performance of agricultural, aircraft, industrial, and other off-highway tires. However, many terms contained in this document also apply to non-highway tires.
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Test Procedures for Measuring Truck Tire Revolutions Per Kilometer/Mile

Highway Tire Committee
  • Ground Vehicle Standard
  • J1025_201208
  • Current
Published 2012-08-31 by SAE International in United States
This SAE Recommended Practice provides a test procedure for determining revolutions per mile for new truck tires.
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Laboratory Testing Machines for Measuring the Steady State Force And Moment Properties of Passenger Car Tires

Highway Tire Committee
  • Ground Vehicle Standard
  • J1106_201208
  • Current
Published 2012-08-31 by SAE International in United States
This Recommended Practice describes some basic design requirements and operational procedures associated with equipment for laboratory measurement of tire force and moment properties of the full range of passenger car tires. These properties must be known to establish the tire's contribution to vehicle dynamic performance. Many factors influence laboratory tire force and moment measurements. This Recommended Practice was compiled as a guide for equipment design and test operation so that data from different laboratories can be directly compared and applied to vehicle design and tire selection problems. It is recognized that laboratory measurements define performance in a controlled and idealized situation that may not correspond to conditions encountered in a vehicle's operating environment. Several decades of testing experience in different laboratories indicates, however, that these tests can provide a very useful bench mark for evaluation of tire performance. It is neither necessary nor practical to test under all possible conditions. There are many factors which affect the forces and moments developed by rolling tires: surface, speed, temperature, water on the surface, dynamics of the changes…
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