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P&H Casters
OEM P&H 6″ Pneumatic Wheel — Outdoor Garden Cart | WI4063EP
$34.99$49.99
In stock · ships today
Pneumatic Cart Wheels
3 products
Ships today by 12pm CT
OEM-grade · P&H Master Dealer
Fits major US retailers
30-day fitment guarantee
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About this category
What you need to know about pneumatic cart wheels.
Pneumatic (air-filled rubber) wheels are the spec for outdoor cart applications: garden-center flatbeds, contractor lumber carts on gravel or asphalt, parking-lot waste container dollies, and dock-platform trucks. The air cushion absorbs shock from gravel, mulch, and uneven concrete that solid wheels transmit straight to the cart frame and the operator's hands.
P&H pneumatics (WI4063EP 6-inch, WI40825R 8-inch, WJ4002BQ outdoor) come with knobby tread for traction. Trade-off: air pressure has to be maintained, and a punctured tire is a flat tire. For indoor-only cart applications, polyurethane is the better pick. For anything that goes outside, pneumatic is the spec.
Which shopping cart wheel do I need?
Most US grocery carts use a 5-inch wheel with a 5/16-inch axle in a polyurethane or rubber tread. If you operate a Walmart, Target, Publix, or Whole Foods cart fleet, the OEM cross-reference is on the matching retailer page. If you do not know your cart manufacturer, measure the wheel diameter across the tread, measure the axle hole, and pick the matching universal P&H wheel. Polyurethane lasts longer and handles flat-spotting better than rubber, but rubber is quieter on hard floors. For 24/7 operations or heavy carts, choose a wheel rated 250 lb capacity or higher per wheel.
If you can send a photo of the existing wheel and a measurement across the tread, our fitment team will confirm the exact match within minutes during business hours. There is no upcharge for fitment review.
Frequently asked
Cart wheel buyer questions.
Top questions from store-ops teams and refurbishers.
How do I measure my cart wheel?
Lay a ruler across the face of the wheel from one outside edge to the other, through the center of the axle. That is the wheel diameter. Then measure the axle hole through the hub center: most US carts are 5/16 inch, but some specialty carts use 1/2 inch. Tread width is the thickness from inside face to outside face. Full measuring guide.
What is the difference between polyurethane, rubber, and TPR wheels?
Polyurethane lasts longer, handles higher loads, and resists flat spots from parked carts. Rubber is quieter on hard floors and slightly cheaper. TPR (thermoplastic rubber) sits in between. For high-traffic stores, polyurethane is almost always the better long-term cost. Material comparison.
Can I order in bulk for my whole fleet?
Yes. Volume tier pricing applies automatically at 50, 200, and 500+ wheels. Multi-store fleets get dedicated reps, NET-30, EDI, and custom packaging. Fleet program details.
How fast does this ship?
Orders placed by 3:00 PM Central Time ship the same business day from Mansfield, TX. Most US destinations receive standard ground in 1–5 business days.