ZZ-T-1083 Tire, Pneumatic, Low Speed, Off HighwayThis specification covers new and retreaded pneumatic tires, both tube and tubeless types, and flaps when applicable, for mounting on construction, earthmoving, mining and logging equipment, road graders, mobile cranes, and similar vehicles operated at low speeds off the road.

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ZZ-T-1083F

TABLE I

MINIMUM PLUNGER ENERGY

PLY RATING

6

8

10

12

14

16

18

20

22

24

26

28

30

32

34

36

3.4.2  TEMPERATURE ABILITY.  All tires supplied shall have an inherent capability of both storage and acceptable performance in ambient air temperature ranging from plus 120 degrees F (49.0 degrees C) to minus 40 degrees F (-40 degrees C).

3.4.3  PHYSICAL REQUIREMENTS.

3.4.3.1  TENSILE STRENGTH.  The tensile strength of tire treads shall be not less than

1,700 pounds per square inch (p.s.i.), and for sidewalls, not less than 900 p.s.i. when tested as specified in 4.3.4.

3.4.3.2  ULTIMATE ELONGATION.  The ultimate elongation of treads shall not be less than

400 percent, and for sidewalls, not less than 300 percent when tested as specified in 4.3.4.

3.5  DIMENSIONS.

3.5.1  TIRE OVERALL DIAMETER AND OVERALL WIDTH.  When tested in accordance with

4.3.1.1.2, tire overall diameter and overall width shall meet the requirements of the appropriate standardizing body.

3.5.2  SKID DEPTH.  When tested in accordance with 4.3.1.1.4, skid depth shall meet the requirements as shown in Table II.

7