| 1 | Light-duty box truck | Class 4–5: 14,001–19,500 lb | Enclosed straight-truck body, commonly about 14–20 ft long | Local deliveries, small business freight, and urban routes | Check payload after the body and equipment are installed, plus loading height and access to restricted streets. |
| 2 | Medium-duty box truck | Class 6: 19,501–26,000 lb | Enclosed straight-truck body, commonly about 20–26 ft long | Regional distribution, moving services, and larger delivery loads | Compare axle ratings, liftgate capacity, cargo-body dimensions, and the remaining payload for your typical loads. |
| 3 | Refrigerated straight truck | Usually Class 6–7: 19,501–33,000 lb | Insulated refrigerated body; body length and cooling capacity vary by build | Local and regional transport of temperature-sensitive goods | Review the temperature range, insulation, refrigeration-unit service history, and available cargo space. |
| 4 | Curtainside straight truck | Usually Class 6–7: 19,501–33,000 lb | Rigid straight-truck chassis with a side-curtain cargo body | Freight that benefits from side loading, such as palletized or building materials | Inspect curtain condition, load-restraint points, and whether loading equipment can access both sides. |
| 5 | Flatbed straight truck | Usually Class 6–7: 19,501–33,000 lb | Open flat platform; deck length and rail or tie-down setup vary | Local transport of machinery, construction supplies, and oversized items | Confirm deck dimensions, tie-down provisions, axle limits, and whether the load requires a tarp or other securement equipment. |
| 6 | Day-cab tractor with dry van trailer | Class 8 power unit: over 33,000 lb GVWR | Tractor and enclosed semitrailer; 48- and 53-ft trailers are common in U.S. freight | Regional freight, distribution-center runs, and scheduled routes | Check the tractor’s combination rating, fifth-wheel setup, route restrictions, and compatibility with the trailer fleet. |
| 7 | Sleeper-cab tractor with dry van trailer | Class 8 power unit: over 33,000 lb GVWR | Sleeper tractor paired with an enclosed semitrailer, commonly 48 or 53 ft | Long-distance, multi-day freight transport | Assess sleeper comfort, fuel use, maintenance records, and compliance with applicable hours-of-service rules. |
| 8 | Flatbed tractor-trailer | Class 8 power unit: over 33,000 lb GVWR | Tractor paired with an open flatbed semitrailer; 48- and 53-ft decks are common | Long-haul transport of steel, lumber, machinery, and other non-enclosed freight | Review securement equipment, deck condition, axle and combination limits, and the need for tarping. |
| 9 | Refrigerated tractor-trailer | Class 8 power unit: over 33,000 lb GVWR | Tractor paired with an insulated refrigerated semitrailer, commonly 48 or 53 ft | Long-haul or regional movement of chilled and frozen freight | Check refrigeration-unit hours and service records, temperature-control features, and insulation condition. |
| 10 | Tanker tractor-trailer | Class 8 power unit: over 33,000 lb GVWR | Tractor paired with a tank semitrailer; tank design depends on the cargo | Bulk transport of liquids or gases in applications suited to the tank and its approvals | Match tank material and configuration to the cargo; verify inspection records, required endorsements, and applicable regulations. |