28" x 12" Polyurethane Casters

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.

Tread: 12 inPlate: 14 x 14 inCapacity: 21,200 to 40,000 lb per caster

This page lists Hamilton 28 x 12 in polyurethane casters. Polyurethane on steel cores is the most common tread on these Hamilton 28 x 12 in polyurethane casters, rated 21,200 to 40,000 lb per caster. Brands: Hamilton.

40000 lbs

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Hamilton Ultra Maxi-Duty Dual-Wheel Swivel Caster with 28" x 12" Polyurethane Wheel with 2" Precision Tapered Roller Bearing Hamilton

Made to Order · 4-6 Wk

Hamilton 28" x 12" Polyurethane Dual Wheel Swivel Caster – 40000 lb

Part # S-UMD2-2812POY

Up to 350 Ibs. Economical, Zinc

$20,338.00

Volume pricing available

PolyurethanePlate

Load rating

40000 lbs

Size28" x 12"

Capacity40000 lbs

WheelPolyurethane

MountPlate 14" x 14"

TypeSwivel

More Details Less Details

Width 12"

Height 33-5/8"

Bolt Pattern 12" x 12"

Core Steel

Temp Range -30°F to 150°F

Rig Type Swivel

Brake No Brake

Frame Platinum Enamel

Hamilton Ultra Maxi-Duty Dual-Wheel Swivel Caster with 28" x 12" Polyurethane Wheel with 2"...

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29300 lbs

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Hamilton Ultra Maxi-Duty Swivel Caster with 28" x 16" Press-on Polyurethane Wheel with 2" Precision Tapered Roller Bearing Hamilton

Made to Order · 4-6 Wk

Hamilton S-UMD-2816POY 28" x 16" Polyurethane Swivel Caster – 29300 lb

Part # S-UMD-2816POY

$23,156.00

Volume pricing available

PolyurethanePlate

Load rating

29300 lbs

Size28" x 16"

Capacity29300 lbs

WheelPolyurethane

MountPlate 14" x 14"

TypeSwivel

More Details Less Details

Width 16"

Height 33-5/8"

Bolt Pattern 12" x 12"

Core Steel

Temp Range -30°F to 150°F

Rig Type Swivel

Brake No Brake

Frame Platinum Enamel

Hamilton Ultra Maxi-Duty Swivel Caster with 28" x 16" Press-on Polyurethane Wheel with 2"...

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21200 lbs

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Hamilton Ultra Maxi-Duty Swivel Caster with 28" x 12" Press-on Polyurethane Wheel with 2" Precision Tapered Roller Bearing Hamilton

Made to Order · 4-6 Wk

Hamilton 28" x 12" Polyurethane Swivel Caster – 21200 lb

Part # S-UMD-2812POY

$20,966.00

Volume pricing available

PolyurethanePlate

Load rating

21200 lbs

Size28" x 12"

Capacity21200 lbs

WheelPolyurethane

MountPlate 14" x 14"

TypeSwivel

More Details Less Details

Width 12"

Height 33-5/8"

Bolt Pattern 12" x 12"

Core Steel

Temp Range -30°F to 150°F

Rig Type Swivel

Brake No Brake

Frame Platinum Enamel

Hamilton Ultra Maxi-Duty Swivel Caster with 28" x 12" Press-on Polyurethane Wheel with 2"...

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40000 lbs

TieredPricing

Made to Order · 4-6 Wk

Hamilton R-UMD2-2812POY 28" x 12" Polyurethane Dual Wheel Rigid Caster – 40000 lb

Part # R-UMD2-2812POY

$19,352.00

Volume pricing available

PolyurethanePlate

Load rating

40000 lbs

Size28" x 12"

Capacity40000 lbs

WheelPolyurethane

MountPlate 14" x 14"

TypeRigid

More Details Less Details

Width 12"

Height 33-5/8"

Bolt Pattern 12" x 12"

Core Steel

Temp Range -30°F to 150°F

Rig Type Rigid

Brake No Brake

Frame Platinum Enamel

Hamilton Ultra Maxi-Duty Dual-Wheel Rigid Caster with 28" x 12" Polyurethane Wheel with 2"...

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29300 lbs

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Hamilton Ultra Maxi-Duty Rigid Caster with 28" x 16" Press-on Polyurethane Wheel with 2" Precision Tapered Roller Bearing Hamilton

Made to Order · 4-6 Wk

Hamilton 28" x 16" Polyurethane Rigid Caster – 29300 lb

Part # R-UMD-2816POY

$19,283.00

Volume pricing available

PolyurethanePlate

Load rating

29300 lbs

Size28" x 16"

Capacity29300 lbs

WheelPolyurethane

MountPlate 14" x 14"

TypeRigid

More Details Less Details

Width 16"

Height 33-5/8"

Bolt Pattern 12" x 12"

Core Steel

Temp Range -30°F to 150°F

Rig Type Rigid

Brake No Brake

Frame Platinum Enamel

Hamilton Ultra Maxi-Duty Rigid Caster with 28" x 16" Press-on Polyurethane Wheel with 2"...

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21200 lbs

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Hamilton Ultra Maxi-Duty Rigid Caster with 28" x 12" Press-on Polyurethane Wheel with 2" Precision Tapered Roller Bearing Hamilton

Made to Order · 4-6 Wk

Hamilton 28" x 12" Polyurethane Rigid Caster – 21200 lb

Part # R-UMD-2812POY

$19,897.00

Volume pricing available

PolyurethanePlate

Load rating

21200 lbs

Size28" x 12"

Capacity21200 lbs

WheelPolyurethane

MountPlate 14" x 14"

TypeRigid

More Details Less Details

Width 12"

Height 33-5/8"

Bolt Pattern 12" x 12"

Core Steel

Temp Range -30°F to 150°F

Rig Type Rigid

Brake No Brake

Frame Platinum Enamel

Hamilton Ultra Maxi-Duty Rigid Caster with 28" x 12" Press-on Polyurethane Wheel with 2"...

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Hamilton 28 x 12 in polyurethane casters by tread

Tread	Core	Wheel sizes	Rated per caster	Listed temperature	Where it fits
Polyurethane	Steel		21,200 to 40,000 lb	-30°F to 150°F	quiet, floor-friendly and long wearing

Ratings are for single casters of Hamilton 28 x 12 in polyurethane casters, from product fields [S1].

Choosing Hamilton 28 x 12 in polyurethane casters

Load: divide the loaded weight by three for a four-caster cart [S2]; at 40,000 lb each, Hamilton 28 x 12 in polyurethane casters suit a loaded cart of about 120,000 lb.
Mount: most Hamilton 28 x 12 in polyurethane casters use a 14 x 14 in top plate; measure bolt hole centers on the old plate and compare.
Floor: on Hamilton 28 x 12 in polyurethane casters, polyurethane protects finished floors and runs quietly; check the rating if the cart also crosses rough concrete.
Rig: swivel and rigid Hamilton 28 x 12 in polyurethane casters are listed.

Related to Hamilton 28 x 12 in polyurethane casters: caster wheels.

Hamilton 28 x 12 in polyurethane casters questions

How much weight can Hamilton 28 x 12 in polyurethane casters carry?

Single Hamilton 28 x 12 in polyurethane casters are rated 21,200 to 40,000 lb.

What top plate do Hamilton 28 x 12 in polyurethane casters use?

Most Hamilton 28 x 12 in polyurethane casters use 14 x 14 in.

What wheel material is most common on Hamilton 28 x 12 in polyurethane casters?

Polyurethane leads on Hamilton 28 x 12 in polyurethane casters, rated 21,200 to 40,000 lb per caster.

Jordan Wilson, CasterHQ · reviewed October 20, 2026 · 844-439-4335 · info@casterhq.com

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.

BHP: 1-3/4″ × 2-7/8″, slotted to 3″

BHP: 1-3/4″ × 2-15/16″ slotted to 2-3/8″ × 3-3/8″

BHP: 2-5/8” X 3-5/8” (Slotted to 3” x 3”)

BHP: 2-7/16" x 4-15/16" slotted to 3-3/8" x 5-1/4"

(3″ Wide Casters), Industry-Standard

BHP: 3-3/8" x 5-1/4" slotted to 4-1/8" x 6-1/8"

BHP: 4-1/8" x 6" slotted to 4-1/2" x 6-1/8"

View All • 21 Plate Sizes

Plate Casters

Stem Casters

Stainless Casters

Ergonomic Casters

Leveling Casters

28" x 12" Polyurethane Casters

Hamilton 28 x 12 in polyurethane casters by tread

Choosing Hamilton 28 x 12 in polyurethane casters

Hamilton 28 x 12 in polyurethane casters questions

Sources