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All measurements indicate the wheel diameter by the tread width.

The below capacity ranges indicate the working (dynamic) load that each caster will support. A safety factor should be included in your formula to determine your required load rating per caster.

W/(C-1)=R W is total weight needed to move. C is total number of casters required. R is ideal load rating, with safety factor built in. Divide the total load weight by one less caster than you will use to safely determine load rating.

Plate dimensions shown are overall mounting plate size.
When replacing existing casters, select the closest plate size and verify bolt-hole compatibility.
BHP = Bolt Hole Pattern, shown under each plate.

BHP: 1-3/4″ × 2-7/8″, slotted to 3″
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: 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: 2-5/8” 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"
BHP: 2-7/16" x 4-15/16" slotted to 3-3/8" x 5-1/4"
(3″ Wide Casters), Industry-Standard
(3″ Wide Casters), Industry-Standard
BHP: 3-3/8" x 5-1/4" slotted to 4-1/8" x 6-1/8"
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"
BHP: 4-1/8" x 6" slotted to 4-1/2" x 6-1/8"
View All • 21 Plate Sizes
View All • 21 Plate Sizes
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Vending Machine Casters

Diameter: 4 to 8 inTread: 2 inPlate: 4 x 4-1/2 inCapacity: 700 to 1,200 lb per caster
This page lists Durastar vending machine casters with polyolefin treads. Polyolefin is the most common tread on these Durastar vending machine casters, rated 700 to 1,200 lb per caster in 4, 5, 6 and 8 in. Brands: Durastar.
1200 lbs
TieredPricing
Durastar Medium Heavy Duty 30 Series - 8" x 2" HD Polyolefin Swivel Caster - 1200 lb Capacity, 4 x 4-1/2 Top Plate | Choose Bearing Options Durastar
Ships in 1-3 Business Days
8" x 2" Polyolefin Swivel Caster – 1200 lb
Part # 30-S-820-HPO-03
from $50.00
Volume pricing available
PolyolefinPlate
Load rating
1200 lbs
Size8" x 2"
Capacity1200 lbs
WheelPolyolefin
MountPlate 4" x 4-1/2"
TypeSwivel
More Details Less Details
Width 2"
Height 9-1/2"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Temp Range -45°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Durastar Medium Heavy Duty 30 Series - 8" x 2" HD Polyolefin Swivel Caster...
Shop Product
1000 lbs
TieredPricing
Durastar Medium Heavy Duty 30 Series - 6" x 2" HD Polyolefin Swivel Caster - 1000 lb Capacity, 4 x 4-1/2 Top Plate | Choose Bearing Options Durastar
Ships in 1-3 Business Days
6" x 2" Polyolefin Swivel Caster – 1000 lb
Part # 30-S-620-HPO-03
from $49.00
Volume pricing available
PolyolefinPlate
Load rating
1000 lbs
Size6" x 2"
Capacity1000 lbs
WheelPolyolefin
MountPlate 4" x 4-1/2"
TypeSwivel
More Details Less Details
Width 2"
Height 7-1/2"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Temp Range -45°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Durastar Medium Heavy Duty 30 Series - 6" x 2" HD Polyolefin Swivel Caster...
Shop Product
1200 lbs
TieredPricing
Durastar Medium Heavy Duty 30 Series - 8" x 2" HD Polyolefin Rigid Caster - 1200 lb Capacity, 4 x 4-1/2 Top Plate | Choose Bearing Options Durastar
Ships in 1-3 Business Days
8" x 2" Polyolefin Rigid Caster – 1200 lb
Part # 30-R-820-HPO-03
from $49.00
Volume pricing available
PolyolefinPlate
Load rating
1200 lbs
Size8" x 2"
Capacity1200 lbs
WheelPolyolefin
MountPlate 4" x 4-1/2"
TypeRigid
More Details Less Details
Width 2"
Height 9-1/2"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Temp Range -45°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Durastar Medium Heavy Duty 30 Series - 8" x 2" HD Polyolefin Rigid Caster...
Shop Product
1000 lbs
TieredPricing
Durastar Medium Heavy Duty 30 Series - 6" x 2" HD Polyolefin Rigid Caster - 1000 lb Capacity, 4 x 4-1/2 Top Plate | Choose Bearing Options Durastar
Ships in 1-3 Business Days
6" x 2" Polyolefin Rigid Caster – 1000 lb
Part # 30-R-620-HPO-03
from $48.00
Volume pricing available
PolyolefinPlate
Load rating
1000 lbs
Size6" x 2"
Capacity1000 lbs
WheelPolyolefin
MountPlate 4" x 4-1/2"
TypeRigid
More Details Less Details
Width 2"
Height 7-1/2"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Temp Range -45°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Durastar Medium Heavy Duty 30 Series - 6" x 2" HD Polyolefin Rigid Caster...
Shop Product
700 lbs
TieredPricing
Durastar Medium Heavy Duty 30 Series - 4" x 2" HD Polyolefin Rigid Caster - 700 lb Capacity, 4 x 4-1/2 Top Plate Durastar
Ships in 1-3 Business Days
4" x 2" HD Polyolefin Rigid Caster 4" x 4-1/2" Top Plate – 700 lb
Part # 30-R-420-HPO-03
from $40.00
Volume pricing available
PolyolefinPlate
Load rating
700 lbs
Size4" x 2"
Capacity700 lbs
WheelPolyolefin
MountPlate 4" x 4-1/2"
TypeRigid
More Details Less Details
Width 2"
Height 5-5/8"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Temp Range -40°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Durastar Medium Heavy Duty 30 Series - 4" x 2" HD Polyolefin Rigid Caster...
Shop Product
900 lbs
TieredPricing
Durastar Medium Heavy Duty 30 Series - 5" x 2" HD Polyolefin Rigid Caster - 900 lb Capacity, 4 x 4-1/2 Top Plate | Choose Bearing Options Durastar
Ships in 1-3 Business Days
5" x 2" HD Polyolefin Rigid Caster – 900 lb
Part # 30-R-520-HPO-03
from $45.00
Volume pricing available
PolyolefinPlate
Load rating
900 lbs
Size5" x 2"
Capacity900 lbs
WheelPolyolefin
MountPlate 4" x 4-1/2"
TypeRigid
More Details Less Details
Width 2"
Height 6-1/2"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Temp Range -40°F to 180°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Durastar Medium Heavy Duty 30 Series - 5" x 2" HD Polyolefin Rigid Caster...
Shop Product
900 lbs
TieredPricing
Durastar Medium Heavy Duty 30 Series - 5" x 2" HD Polyolefin Swivel Caster - 900 lb Capacity, 4 x 4-1/2 Top Plate | Choose Bearing Options Durastar
Ships in 1-3 Business Days
5" x 2" HD Polyolefin Swivel Caster – 900 lb
Part # 30-S-520-HPO-03
from $46.00
Volume pricing available
PolyolefinPlate
Load rating
900 lbs
Size5" x 2"
Capacity900 lbs
WheelPolyolefin
MountPlate 4" x 4-1/2"
TypeSwivel
More Details Less Details
Width 2"
Height 6-1/2"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Temp Range -40°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Durastar Medium Heavy Duty 30 Series - 5" x 2" HD Polyolefin Swivel Caster...
Shop Product
700 lbs
TieredPricing
Durastar Medium Heavy Duty 30 Series - 4" x 2" HD Polyolefin Swivel Caster - 700 lb Capacity, 4 x 4-1/2 Top Plate Durastar
Ships in 1-3 Business Days
4" x 2" Polyolefin Swivel Caster – 700 lb
Part # 30-S-420-HPO-03
from $41.00
Volume pricing available
PolyolefinPlate
Load rating
700 lbs
Size4" x 2"
Capacity700 lbs
WheelPolyolefin
MountPlate 4" x 4-1/2"
TypeSwivel
More Details Less Details
Width 2"
Height 5-5/8"
Bolt Pattern 2-5/8" x 3-5/8" slotted to 3" x 3"
Temp Range -40°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Durastar Medium Heavy Duty 30 Series - 4" x 2" HD Polyolefin Swivel Caster...
Shop Product

Durastar vending machine casters by tread

Tread Core Wheel sizes Rated per caster Listed temperature Where it fits
Polyolefin 4, 5, 6 and 8 in 700 to 1,200 lb -45°F to 180°F wet and chemical areas, light to medium loads

Ratings are for single casters of Durastar vending machine casters, from product fields [S1].

Wheel sizes

Wheel Treads Rated
4 x 2 in polyolefin 700 lb
5 x 2 in polyolefin 900 lb
6 x 2 in polyolefin 1,000 lb
8 x 2 in polyolefin 1,200 lb

Choosing Durastar vending machine casters

  1. Load: plan on three casters carrying a four-caster cart [S2]; Durastar vending machine casters rated 1,200 lb each then carry about 3,600 lb.
  2. Mount: most Durastar vending machine casters use a 4 x 4-1/2 in top plate; measure bolt hole centers on the old plate and compare.
  3. Floor: on Durastar vending machine casters, polyolefin suits smooth concrete and heavy loads, but is loud and hard on tile and wood.
  4. Rig: swivel and rigid Durastar vending machine casters are listed.

Related to Durastar vending machine casters: industrial casters.

Durastar vending machine casters questions

How much weight can Durastar vending machine casters carry?

Single Durastar vending machine casters are rated 700 to 1,200 lb; most fall between 900 and 1,200 lb.

What top plate do Durastar vending machine casters use?

Most Durastar vending machine casters use 4 x 4-1/2 in.

What wheel material is most common on Durastar vending machine casters?

Polyolefin leads on Durastar vending machine casters, rated 700 to 1,200 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.

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