Colson · Heavy-duty industrial workhorse
Deep StockCOLSON 4 SERIES
The most popular heavy-duty industrial caster in North America. Over 23,000 SKU configurations across capacities from 250 to 1,400 lbs per caster. The 4 Series is specified on aerospace ground support equipment, heavy warehouse carts, marine applications, and industrial fabrications nationwide.
SKU Count
23,137
Capacity
1–1,250 lbs
Wheel ⌀
3.25″–8″
Mounts
3 types
Product Photography
COLSON 4 SERIES Gallery
8 photos Common Applications
Where It's Specified
- Aircraft ground support equipment (GSE)
- Heavy warehouse and material handling
- Industrial fabrications and frames
- Marine deck and pier equipment
- Loaded hospitality and food service
SKU catalog · live filter
Browse 23,137 SKUs
Filter by capacity, wheel diameter, tread, mount, brake. All in stock or quoted from Miami.
Showing 12 of 23,137 SKUs
| Part # | Capacity | Wheel ⌀ | Tread | Mount | Brake | Bearing | Action |
|---|---|---|---|---|---|---|---|
| A10 | 1 lbs | 5.8″ | A10 | A10 | A10 | A10 | |
| 4.04108.455.2 | 400 lbs | 4″ | Performa Rubber (Flat/Black) | Top Plate Rigid | N/A | Pedestal Precision Ball | |
| 4.06109.641.7 MTG2 BRK2 | 450 lbs | 6″ | Moldon Rubber (Cast Iron Core) | Top Plate Swivel | Tech Lock Brake (BRK2) | Delrin | |
| 4.08199.649.7 MTG62 | 500 lbs | 8″ | Moldon Rubber (Cast Iron Core) | Top Plate Swivel | None | Roller | |
| 4.06109.451.2 MTG2 TG1 | 600 lbs | 6″ | Performa Rubber (Flat/Black) | Top Plate Swivel | None | Delrin | |
| 4.05109.832 MTG2 BRK1 SEAL | 650 lbs | 5″ | Polyolefin | Top Plate Swivel | Tread Lock Brake (BRK1) | Plain | |
| 4.06109.831 MTG64 | 700 lbs | 6″ | Polyolefin | Top Plate Swivel | None | Delrin | |
| 4.06109.96TF BRK7 SEAL | 900 lbs | 6″ | Triumph (Round/Blue) | Top Plate Swivel | Top Lock Brake (BRK7) | Precision Ball | |
| 4.05109.839 HT MTG81 | 1,000 lbs | 5″ | Thermo | Top Plate Swivel | None | Roller | |
| 4.05108.931.3 MTG2 | 1,000 lbs | 5″ | Moldon Nylon (Aluminum Core) | Top Plate Rigid | N/A | Delrin | |
| 4.06109.939 MTG62 BRK7 LH7.25 | 1,200 lbs | 6″ | Moldon Polyurethane (Aluminum Core) | Top Plate Swivel | Top Lock Brake (BRK7) | Roller | |
| 4.06108.135 MTG4 BRK2 LH7.25 | 1,200 lbs | 6″ | Cast Iron | Top Plate Rigid | Tech Lock Brake (BRK2) | Pedestal Precision Ball |
Showing 12 featured SKUs · refine filters to load more
Need help specifying?
Caster specification is a multi-variable problem: load, floor type, tread material, mounting, environment, brake. We've solved it tens of thousands of times since 1955. Call us with your application — we'll spec the right SKU in 5 minutes.