Specialty Casters
Gate Casters
BBQ Pit & Smoker Casters
Keyed Drive Wheels
Drywall Cart Casters
Skid Wheels & Casters for RVs
Leveling Casters
Shopping Cart Wheels & Casters
Band Equipment Casters & Wheels
Low Profile Casters
Cart Wheels & Casters
Toolbox Caster Sets
Bakery Oven Rack Casters
Kitchen Prep Table Caster Sets
Wire Shelving Casters
Silent Glide Casters
Custom made to order. All sales final.
Each Hamilton product is custom manufactured for your order and ships in about 4-6 weeks. 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.
Order processing
In stock. Orders placed before 12pm CT (Mon–Fri) typically ship the same or next business day from our Mansfield, TX warehouse.
Shipping method
Because of its size and weight, this item typically ships LTL freight on a pallet. Smaller add-on items may ship parcel. Freight cost is calculated by destination and shown before payment, or quoted for large orders.
Payment & procurement terms
New to CasterHQ? Open an account or request terms and send your resale or tax-exemption certificate before ordering so it is applied at checkout.
Volume pricing & quotes
Quantity discounts apply automatically — no codes needed. For large, recurring, or custom requirements, request a bulk quote and our team will confirm pricing, lead time, and total landed freight upfront.
Returns & warranty
Stock items carry a 30-day return policy in unused, resalable condition. Made-to-order and custom items are non-returnable once production starts. All products carry the manufacturer's warranty against defects.
Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas and freight deliveries may take longer.
For pallet freight, scheduled releases, or blanket purchase orders, contact our team and we'll confirm total landed cost before you commit. Direct line: 844-439-4335.
This Hamilton S-MD-83SYT70 8" x 3" Superlast XC Swivel Forged Caster – 4500 lb is rated to 4500 lbs per wheel. Divide the total load across the number of wheels in your rig and keep working loads within about 75-80% of the rating for continuous use.
This is a Polyurethane wheel. Polyurethane protects finished floors, rolls quietly, and resists most chemicals while carrying heavy loads.
8" diameter x 3" tread width. Verify your axle diameter and hub/bore length against your existing wheel before ordering.
Yes. Most wheels can be paired with a swivel or rigid rig to build a complete caster. Tell us your mount and load and we will spec the rig - request it on our bulk pricing page.
We accept purchase orders and offer Net 30 on approved accounts, ACH, and all major cards, plus tax-exempt ordering with a resale or exemption certificate. Volume discounts apply automatically; request a bulk quote for large or recurring orders. Stock items carry a 30-day return policy in unused condition (made-to-order items are non-returnable once production starts).
$1,255.00
| Identification | |
|---|---|
| Part Number / SKU | S-MD-83SYT70 |
| Replacement Wheel Part No | W-830-SYT70-1-1/4 |
| Core | |
| Load Capacity | 4500 lbs |
| Wheel Diameter | 8" |
| Wheel Width | 3" |
| Floor to top of mounting plate (or stem shoulder).Overall Height (OAH)Floor to top of mounting plate (or stem shoulder). | 11" |
| Distance from swivel centerline to the outer edge of the wheel when turned.Swivel RadiusDistance from swivel centerline to the outer edge of the wheel when turned. | 6-11/16" |
| Horizontal distance from the swivel centerline (kingpin) to the wheel axle.Swivel Lead (Offset)Horizontal distance from the swivel centerline (kingpin) to the wheel axle. | 2-1/2" |
| Wheel | |
| Wheel Material | Polyurethane |
| Wheel Color | Thick Black Poly on Gray Center |
| Bearing Type | Tapered Roller Bearing |
| Axle Diameter | 1-1/4" |
| Construction | |
| Unit Weight | 64 lbs |
| Compliance | |
| Buy American | Yes |
Your selection is highlighted. Every option shares its wheel size and mount; a Direct fit tag means the same mounting plate — a drop-in replacement. Step up or down in load rating within the same duty class, all in stock.
| Casters (in stock) | Load capacity | Wheel | Type | Overall height | Price | |
|---|---|---|---|---|---|---|
| 3500 lbsLighter duty | 8" × 3"Polyurethane | Swivel | 10-1/8" | $252.00 | View → | |
| 3500 lbsLighter duty | 8" × 3"Polyurethane | — | — | $410.00 | View → | |
| 4500 lbs | 8" × 3"Polyurethane | — | 11" | $1,255.00 | Viewing | |
| 5000 lbsHeavier duty | 8" × 3" | — | — | $368.00 | View → | |
| 5500 lbsHeavier duty | 8" × 3"Polyurethane | Swivel | 8" | $373.00 | View → |
