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Hamilton Spinfinity dual wheel

Custom made to order. All sales final.

Each Hamilton product is custom manufactured for your order (lead time is shown on each product page). Please confirm all specs before checkout, since made-to-order items aren't eligible for returns, exchanges or refunds. Need help? Call 844-439-4335 or email info@casterhq.com and we'll verify fit for you.

These Spinfinity kingpinless dual wheel casters are Hamilton ZFMDD builds with two wheels in one heavy fork. Casters in this collection range from about 6,000 to 11,700 lb per caster. The legacy handle says 15,600 lb; active titles on this page top out at 11,700 lb. Wheel diameters run about 12 to 16 in with 4, 5, and 5-1/2 in treads. Most mounts use an 8-1/2 x 8-1/2 in top plate. Treads include polyurethane (poly or urethane), rubber, and phenolic. Soft polyurethane is the better pick when the floor has chips or debris. Match plate size, overall height, and swivel or rigid before you place your order today. Read the listing for the exact tread and plate shown. Confirm the rating on the listing before you buy. Capacities below are per caster unless a listing says set. Broader dual wheel aisle: dual wheel casters. Brand aisle: Hamilton casters.

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3 types

Rubber and polyurethane favor floor protection; phenolic and steel favor heavy capacity. Compare materials →

Hamilton Spinfinity dual wheel: buying guide

Hamilton Spinfinity dual wheel in polyurethane, rubber and phenolic, 12 to 16 in wheels, rated 6,000 to 11,700 lb per caster.

Diameter 12 to 16 inTread 4, 5 and 5-1/2 inPlate 8-1/2 x 8-1/2 in6,000 to 11,700 lb per caster

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Hamilton Spinfinity dual wheel by tread

Tread Core Wheel sizes Rated per caster Listed temperature Where it fits
Polyurethane 12, 13 and 16 in 8,600 to 11,700 lb -70°F to 175°F quiet, floor-friendly and long wearing
Rubber Steel 12, 13 and 16 in 6,600 to 8,400 lb 0°F to 175°F cushioned and quiet on finished floors
Phenolic 12 in 6,000 lb Up to 250°F hard and easy rolling on smooth, dry floors

Ratings are for single casters of Hamilton Spinfinity dual wheel, from product fields [S1].

Wheel sizes

Wheel Treads Rated
12 x 4 in phenolic 6,000 lb
12 x 5-1/2 in polyurethane and rubber 6,600 to 10,400 lb
13 x 5-1/2 in polyurethane and rubber 7,200 to 11,300 lb
16 x 5 in polyurethane and rubber 8,400 to 11,700 lb

Choosing Hamilton Spinfinity dual wheel

  1. Load: plan on three casters carrying a four-caster cart [S2]; at 10,400 lb each, a common rating here, that is about 31,200 lb, and the 11,700 lb top rating covers about 35,100 lb.
  2. Mount: most Hamilton Spinfinity dual wheel use a 8-1/2 x 8-1/2 in top plate; 6-1/2 x 7-1/2 in plates are listed too; measure bolt hole centers on the old plate and compare.
  3. Floor: on Hamilton Spinfinity dual wheel, polyurethane and rubber are kinder to tile and finished floors; phenolic rolls easier under heavy loads on smooth concrete.
  4. Rig: rigid and swivel Hamilton Spinfinity dual wheel are listed.

Hamilton Spinfinity dual wheel questions

How much weight can Hamilton Spinfinity dual wheel carry?

Single Hamilton Spinfinity dual wheel are rated 6,000 to 11,700 lb; most fall between 7,200 and 10,400 lb.

What top plate do Hamilton Spinfinity dual wheel use?

Most Hamilton Spinfinity dual wheel use 8-1/2 x 8-1/2 in. Other plates on Hamilton Spinfinity dual wheel: 6-1/2 x 7-1/2 in.

What wheel material is most common on Hamilton Spinfinity dual wheel?

Polyurethane leads on Hamilton Spinfinity dual wheel, rated 8,600 to 11,700 lb per caster. Among Hamilton Spinfinity dual wheel, rubber is next at 6,600 to 8,400 lb.

Sources

  • [S1] CasterHQ product fields (rated load, diameter, width, wheel and core material, temperature range, mount) and product descriptions for the items on this page, pulled October 20, 2026.
  • [S2] Preferred Equipment casters and wheels quick guide PDF (prefeq.com): load sizing on one less caster, wheel types and floor notes.

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