| Roll trailer | |
|---|---|
 | |
| Classification | Unpowered vehicle |
| Industry | Maritime shipping |
| Application | Transport |
| Powered | No |
| Self-propelled | No |
| Wheels | Rear only |
| Axles | 1 |
| Components | Frame, wheels, wooden surface |
A roll trailer or "Mafi" is a trailer platform that requires towing by a powered vehicle. It is commonly used for the transport of heavy static goods and materials in the maritime shipping industry. Roll trailers are similar to shipping flat racks containers, however, they have a set of rear wheels.