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DOUGLAS EQUIPMENT Miami · Since 1955

By Industry · Sector Guide

Deep Stock

Marine Casters

Deck equipment, dockside, stainless construction. Specified, stocked, and shipped from Miami since 1955. 5 purpose-built caster series, 42,012 SKU configurations available.

5

Recommended series

42,012

SKU configurations

2 hr

Quote turnaround

70+

Years specifying

Recommended Series · By Application

5 Caster Series for Marine

Each series solves a different combination of load, environment, and mounting requirements. Start with the recommended series, or call us if your spec sits between categories.

Colson 10,102 SKUs

COLSON 2 SERIES

Medium-duty industrial general purpose

The Colson 2 Series is the most versatile caster line in the Colson catalog. With over 10,000 SKU configurations, the 2 Series serves medium-duty industrial applications across foo…

Capacity

1–325 lbs

Wheel ⌀

2.5″–5.8″

Browse 10,102 SKUs
Colson 102 SKUs

COLSON 2 SERIES STAINLESS

Marine, food, pharma — full stainless

Full stainless-steel construction — rig, swivel, fasteners, and washers. Designed for environments where corrosion resistance is non-negotiable: marine, food processing, pharmaceut…

Capacity

5–325 lbs

Wheel ⌀

3″–5.8″

Browse 102 SKUs
Colson 23,137 SKUs

COLSON 4 SERIES

Heavy-duty industrial workhorse

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 aero…

Capacity

1–1,250 lbs

Wheel ⌀

3.25″–8″

Browse 23,137 SKUs
Colson 7,499 SKUs

COLSON 4 SERIES DEFENDER

Military and tactical heavy-duty

The Defender variant of the 4 Series is engineered for military, tactical, and security applications. Reinforced kingpin design, tactical-grade finish, and proven service in defens…

Capacity

1–2,000 lbs

Wheel ⌀

4″–8″

Browse 7,499 SKUs
Colson 1,172 SKUs

COLSON 3 SERIES

Medium-heavy duty industrial

The Colson 3 Series steps up from the 2 Series with reinforced rigs and higher load ratings up to 1,000 lbs per caster. Ideal for food service heavy carts, larger hospitality equip…

Capacity

5–800 lbs

Wheel ⌀

3″–6″

Browse 1,172 SKUs

Featured · Marine

Sample SKUs From Top Series

Part # Series Capacity Wheel ⌀ Tread View Series
A10 COLSON 2 SERIES 1 lbs 5.8″ A10 Open →
2.03351.52 MTG2 FSI COLSON 2 SERIES 200 lbs 3″ Polyolefin Open →
2.03254.565 MTG14 BRK1 COLSON 2 SERIES 210 lbs 3.5″ Performa Rubber (Round) Open →
A10 COLSON 2 SERIES STAINLESS 5 lbs 5.8″ A10 Open →
2.33456.944 COLSON 2 SERIES STAINLESS 200 lbs 3″ Polyurethane HI-TECH Open →
2.03408.564 COLSON 2 SERIES STAINLESS 210 lbs 3.5″ Performa Rubber (Round) Open →
A10 COLSON 4 SERIES 1 lbs 5.8″ A10 Open →
4.04108.455.2 COLSON 4 SERIES 400 lbs 4″ Performa Rubber (Flat/Black) Open →
4.06109.641.7 MTG2 BRK2 COLSON 4 SERIES 450 lbs 6″ Moldon Rubber (Cast Iron Core) Open →

Marine Application?

Tell us your load, your environment, and your mounting needs. We'll spec the right caster from 5 purpose-built series in 5 minutes — and quote within 2 business hours.

Call Quote