
MARINESURPLUS.COM
Caster, 3 in, Use With 4WM20, 4WM21, PK4
Description
Give your mechanic’s creeper a new lease on life with this set of four 3-inch replacement casters designed specifically for Whiteside creeper models 4WM20 and 4WM21. Made with durable polyurethane materials and engineered for smooth rolling under load, these casters restore full mobility and performance.
Features & Specifications
Feature |
Details |
Wheel Diameter |
3 in / ~76 mm |
Material |
Polyurethane tread and hub |
Color |
Black |
Package Quantity |
4 casters per pack |
Compatible Models |
Whiteside 4WM20 and 4WM21 creepers |
Brand / Series |
Whiteside – HRS & HRAS wheel series |
Key Benefits & Selling Points
-
Perfect Fit Replacement
These casters are designed specifically for Whiteside’s 4WM20 / 4WM21 creepers, so you don’t have to worry about compatibility or machining to fit. -
Smooth & Quiet Operation
The polyurethane construction offers better shock absorption, reduces noise, and minimizes wear on workshop floors compared to harder wheel materials. -
Complete Set for Full Mobility
You receive all four casters needed to restore balanced movement — no partial replacements or mismatches. -
Durability & Long Service Life
Polyurethane is favored in industrial settings for its resistance to abrasion, chemicals, and deformation under load.
Use Cases & Applications
- Ideal for replacing worn or damaged wheels on Whiteside creeper platforms.
- Useful as a spare set for on-hand repairs in professional garages.
- Helpful upgrade option for existing creepers to improve rolling quality and longevity.