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Dolly not included. Photo showing application only. This listing is for the pair of dolly converters which fit an extended 18x36 dolly.
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.
Transform Your Dolly: Unleash Versatility with the CASTERHQ Converter
The CASTERHQ Dolly Converter unlocks the true potential of your extended 18x36 4-wheel dolly, effortlessly transforming it into a powerful panel cart. This versatile tool opens up a world of possibilities for moving heavy and awkward loads with ease.
Key Features & Benefits:
Installation Guide:
Safety Tips:
Customer Testimonials:
Frequently Asked Questions:
Experience the Difference:
Upgrade your material handling capabilities with the CASTERHQ Dolly Converter. Order yours today and discover the ease and efficiency of moving heavy loads!
This 300 lb Steel Dolly Converter Pair for 18"x36" Dollies is rated to 300 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.
18" diameter x 36" 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).
$162.00
| Dimensions & Mounting | |
| Wheel Diameter | 18" |
| Wheel Tread Width | 36" |
| Load & Performance | |
| Wheel Capacity | 300 lbs |
| Materials & Finish | |
| Frame Material | Zinc Plated Steel |
300 lb Steel Dolly Converter for 18"x40" Panel Cart | CasterHQ
18" x 40" · 300 lbs
$164
18"x30" Oak Furniture Dolly 3" TPR Wheels – 900 lb | CasterHQ
18" x 30" · 900 lbs
$92
30"x18" Oak Furniture Dolly 3.5" TPR Wheels – 1000 lb | CasterHQ
18" x 30" · 1000 lbs
$94
View all heavy-duty furniture dollies made in usa →
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, all in-stock.
| Casters (in stock) | Load capacity | Wheel | Type | Overall height | Price | |
|---|---|---|---|---|---|---|
| 300 lbs | 18" × 36" | — | — | $162.00 | Viewing | |
| 300 lbsSame capacity | 18" × 40" | — | — | $164.00 | View → | |
| 900 lbsHeavier duty | 18" × 30"Gray Rubber | — | 6-1/8" | $92.00 | View → | |
| 1000 lbsHeavier duty | 18" × 30"Gray Rubber | — | 6-1/2" | $94.00 | View → | |
| 1000 lbsHeavier duty | 18" × 30"Gray Rubber | — | 7" | $98.00 | View → |
