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Cushion Tread Wheels

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There are times when the special features of a pneumatic tire aren’t needed in ground service equipment. To provide the military with a viable option for a versatile and reliable solid rubber tire, AEROL developed the Cushion Tread Wheel. These solid rubber wheels comply with all dimensional and performance requirements of Specification MIL-W-21985.

The basic wheel design incorporates a hub, rim, and brake drum in one integral, lightweight aluminum casting with a cured-on rubber tire. Two tapered roller bearings, a seal, and a hub cap complete the assembly. Cushion tread wheels are rated to tow at speeds of up to 25 mph.

The tire has a soft core of heat-resistant rubber to provide maximum shock mitigation and a tough rubber cover to ensure long wear. The hub configuration and bearing sizes provide interchangeability with industrial pneumatic wheels specified in MIL-W-8005. The brake drum diameter and width permit the use of AEROL parking brakes conforming to specification MIL-B-22182.

Available with a rubber tread or Aerolast polyurethane tread.

Specifications

  • Standard load ratings available from 0 LBS to 3,500 LBS
  • Standard speed ratings available up to 25 mph
  • Standard wheel sizes available from 8-1/2” to 21”
  • Standard 55A internal durometer rubber, 75A external durometer casing
  • Standard bearing offerings in tapered bearings
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cushion tread wheels

Benefits

  • Increased chemical resistance
  • Increased shock mitigation
  • Increased load capacity over pneumatic wheels
  • Decreased transit times due to high-speed capability
  • Won’t go flat even when punctured

Application

The advantages of a solid rubber tire are that it will not go flat even when punctured and that it has a higher load capacity than the pneumatic tire of the same size. AEROL engineers recognized the need for other desirable features: Shock mitigation characteristics comparable to pneumatic tires, interchangeability with standard pneumatic wheels used on aerospace and ground equipment, low weight, availability of compatible brakes, minimum maintenance, and a compact design providing all these features in the smallest space possible. All of these goals were achieved in the development of three standard Cushion Tread Wheels. The basic wheel design incorporates a hub, rim, and brake drum in one integral, lightweight aluminum casting, with a cured-on rubber tire. Two tapered roller bearings, a seal, and a hub cap complete the assembly. The tire has a soft core of heat resistant rubber to provide the maximum shock mitigation, and a tough rubber cover to insure long wear. The hub configuration and bearing sizes provide interchangeability with industrial pneumatic wheels specified in MIL-W-8005. The brake drum diameter and width permit the use of AEROL parking brakes conforming to specification MIL-B-22182.

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