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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
Plate Casters
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Leveling Casters
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Caster Wheel Materials & Selection Guide

Caster Wheel Materials & Selection Guide
Polyolefin Wheels

Polyolefin Wheels
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High Temperature Wheels
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Track Wheels (All Types)
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Hand Truck Wheels
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Nylon Wheels
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Keyed Drive Wheels
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Pneumatic Wheels
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Atx Off-road Wheels
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Poly Wheels (All Types)
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Phenolic Wheels
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Metal Wheels (All Types)
Flat-free (Foam-filled)

Flat-free (Foam-filled)
Wheel Replacement Parts

Wheel Replacement Parts
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Caster Plate Mounting Hardware

Caster Plate Mounting Hardware
Quick Change Caster Pads

Quick Change Caster Pads
Caster Frames - Swivel & Rigid

Caster Frames - Swivel & Rigid
Sockets & T-nuts For Casters

Sockets & T-nuts For Casters
Washers

Washers
Expanding Rubber Adapter Kits

Expanding Rubber Adapter Kits
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Bumpers
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Axles & Nuts
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Spanner Bushings
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Caster Shims & Weld Plates
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Furniture Glides
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Floor Truck Locks
Swivel Locks

Swivel Locks
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Wheel Bearings
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4" x 3" Forged Steel Casters

Diameter: 4 inTread: 3 inCapacity: up to 16,000 lb
This collection gathers industrial casters used on forging carts, aerospace fixtures, and multi-ton movers. Expect wheel diameters 4 in, steel treads, and capacities 10,000 to 16,000 lb. Use kingpinless or heavy plate series when shock loads keep shearing kingpin races. When floors see chemicals or washdowns, prefer sealed bearings and non-absorbent wheel compounds. These extreme-duty options cover everyday forging carts, aerospace fixtures, and multi-ton movers without jumping to extreme forged series.
16000 lbs
TieredPricing
Hamilton Mini-Mite S-MM2-43FS Low Profile Dual Wheel Swivel Caster - 4" x 3" Steel Rollers with Needle Bearings on 1" Axle Hamilton
Made to Order · 4-6 Wk
Hamilton S-MM2-43FS 4" x 3" Steel Swivel Dual Wheel Caster – 16000 lb
Part # S-MM2-43FS
$3,470.00
Volume pricing available
Steel
Load rating
16000 lbs
Diameter 4"
Capacity 16000 lbs
Wheel Steel
More Details Less Details
Width 3"
Height 6"
Core Steel
Temp Range -40°F to 320°F
Rig Type Swivel
Brake No Brake
Frame Battleship Gray
S-MM2-43FS Hamilton Mini-Mite Low Profile Dual Wheel Swivel Caster Two 4" x 3" Steel...
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10000 lbs
TieredPricing
Hamilton Mini-Mite 10,000 lbs. Load Capacity Low Profile Swivel Caster - 4" x 3" Steel Roller with Dual Needle Thrust & Roller Bearings on 1" Axle Hamilton
Made to Order · 4-6 Wk
Hamilton 4" x 3" Steel Swivel Low Profile Caster – 10,000 lb
Part # S-MM-43FS
$1,401.00
Volume pricing available
Steel
Load rating
10000 lbs
Diameter 4"
Capacity 10000 lbs
Wheel Steel
More Details Less Details
Width 3"
Height 6"
Core Steel
Temp Range -40°F to 320°F
Rig Type Swivel
Brake No Brake
Frame Battleship Gray
Hamilton Mini-Mite Low Profile Swivel Caster - 10,000 lbs Load Capacity Superior Strength |...
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16000 lbs
TieredPricing
Hamilton Mini-Mite R-MM2-43FS Low Profile Dual Wheel Rigid Caster - 4" x 3" Steel Rollers with Needle Bearings on 1" Axle Hamilton
Made to Order · 4-6 Wk
Hamilton R-MM2-43FS 4" x 3" Steel Rigid Dual Wheel Caster – 16000 lb
Part # R-MM2-43FS
$1,957.00
Volume pricing available
Steel
Load rating
16000 lbs
Diameter 4"
Capacity 16000 lbs
Wheel Steel
More Details Less Details
Width 3"
Height 6"
Core Steel
Temp Range -40°F to 320°F
Rig Type Rigid
Brake No Brake
Frame Battleship Gray
R-MM2-43FS Hamilton Mini-Mite Low Profile Dual Wheel Rigid Caster Two 4" x 3" Steel...
Shop Product
10000 lbs
TieredPricing
Hamilton Mini-Mite 10,000 lbs. Load Capacity Low Profile Rigid Caster - 4" x 3" Steel Roller with Dual Needle Thrust & Roller Bearings on 1" Axle Hamilton
Made to Order · 4-6 Wk
Hamilton 4" x 3" Steel Rigid Low Profile Caster – 10,000 lb
Part # R-MM-43FS
$1,085.00
Volume pricing available
Steel
Load rating
10000 lbs
Diameter 4"
Capacity 10000 lbs
Wheel Steel
More Details Less Details
Width 3"
Height 6"
Core Steel
Temp Range -40°F to 320°F
Rig Type Rigid
Brake No Brake
Frame Battleship Gray
Hamilton Mini-Mite Low Profile Rigid Caster - 10,000 lbs Load Capacity Superior Strength |...
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Hamilton Mini-Mite Casters with Forged Steel Wheels

Top-Quality Forged Steel Wheels | Durable & Smooth Swivel Performance

High-Quality Mini-Mite Casters from Hamilton

Discover the superior strength of the Hamilton Mini-Mite Casters equipped with Forged Steel Wheels. Expertly designed for both industrial and commercial uses, these casters guarantee resilience and unparalleled durability. With their forged steel wheels, they ensure consistent performance even in demanding environments. Ideal for those in search of top-tier casters that promise longevity.

Experience Unmatched Strength and Durability

Hamilton's Mini-Mite Casters are engineered for those who demand nothing but the best. Whether you're in manufacturing, warehousing, or any heavy-duty industry, our casters with forged steel wheels are your go-to choice for reliability and endurance.

Need Guidance? Hamilton's Expert Team is Here to Help

Thinking about integrating the Hamilton Mini-Mite Casters into your operations? Don't hesitate to contact our knowledgeable Caster Specialists. Available weekdays from 8 am - 5 pm, we're here to assist with all your caster inquiries.

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