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 300 to 1,250 lbs per caster. The 4 Series is specified on aerospace ground support equipment, heavy warehouse carts, marine applications, and industrial fabrications nationwide.
SKU Count
23,136
Capacity
300–1,250 lbs
Wheel ⌀
3.25″–8″
Mounts
2 types
Product Photography
COLSON 4 SERIES Gallery
8 photosCommon 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 23,136 SKUs
Filter by capacity, wheel diameter, tread, mount, brake. Stocked or quoted from Miami.
Showing 12of 23,136 SKUs
| Part # | Capacity | Wheel ⌀ | Tread | Mount | Brake | Bearing | Action |
|---|---|---|---|---|---|---|---|
| 4.04109.459 COND | 300 lbs | 4″ | Performa Rubber (Condutive/Flat) | Top Plate Swivel | None | Roller | |
| 4.04108.459 | 400 lbs | 4″ | Performa Rubber (Flat/Grey) | Top Plate Rigid | N/A | Roller | |
| 4.06109.641.7 MTG2 BRK2 LH7.25 | 450 lbs | 6″ | Moldon Rubber (Cast Iron Core) | Top Plate Swivel | Tech Lock Brake (BRK2) | Delrin | |
| 4.08199.649.7 MTG2 BRK1 | 500 lbs | 8″ | Moldon Rubber (Cast Iron Core) | Top Plate Swivel | Tread Lock Brake (BRK1) | Roller | |
| 4.06109.451.2 MTG2 TG2 | 600 lbs | 6″ | Performa Rubber (Flat/Black) | Top Plate Swivel | None | Delrin | |
| 4.05109.832 MTG52 BRK1 | 650 lbs | 5″ | Polyolefin | Top Plate Swivel | Tread Lock Brake (BRK1) | Plain | |
| 4.06109.831 MTG64 TG1 | 700 lbs | 6″ | Polyolefin | Top Plate Swivel | None | Delrin | |
| 4.06109.96TF BRK7 SEAL LH7.25 | 900 lbs | 6″ | Triumph (Round/Blue) | Top Plate Swivel | Top Lock Brake (BRK7) | Precision Ball | |
| 4.05109.839 HT BRK1 | 1,000 lbs | 5″ | Thermo | Top Plate Swivel | Tread Lock Brake (BRK1) | Roller | |
| 4.05108.931.3 MTG2 TG1 | 1,000 lbs | 5″ | Moldon Nylon (Aluminum Core) | Top Plate Rigid | N/A | Delrin | |
| 4.06109.931 MTG2 | 1,200 lbs | 6″ | Moldon Polyurethane (Aluminum Core) | Top Plate Swivel | None | Delrin | |
| 4.08198.839 EN MTG4 | 1,200 lbs | 8″ | Endura Solid Elastomer | Top Plate Rigid | N/A | Roller |
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 with you.