What is a straight truck?

A straight truck is any truck built as one rigid piece: the cab and the cargo body share a single frame, and the whole vehicle steers, turns and backs up as a unit. The name exists to distinguish it from the articulated alternative — the tractor-trailer, where a power unit pulls a detachable trailer that pivots behind it.

That single distinction shapes almost everything about how straight trucks are used in freight: they’re more manoeuvrable than semis, they fit places semis can’t, and they carry less. Which makes them the workhorse of city and regional freight — big enough for serious pallet loads, small enough for tight docks, storefront plazas and downtown streets.

What makes a truck “straight”

The defining feature is the one-piece chassis. There’s no fifth wheel, no kingpin, no trailer to drop — the cargo body is permanently mounted behind the cab. Compared with a tractor-trailer, that means:

• A shorter overall length, so the truck can work loading docks, laneways and yards that a 53-foot trailer can’t approach.
• A tighter turning footprint, because nothing pivots — the driver threads the truck as one piece.
• A fixed cargo capacity, since you can’t swap bodies the way a tractor swaps trailers.
• Simpler backing, which matters more than it sounds at congested GTA receiving docks.

“Straight truck” is the category name; what most people picture when they hear it is its most common member, the box truck.

Common types of straight truck

The box truck — a rectangular enclosed cargo box on a rigid chassis — dominates the category in courier and regional freight. In Canada you’ll also hear cube van, which describes the same family of vehicle; the naming overlap is untangled in cube van versus box truck. Beyond the box, the straight-truck format carries many bodies: flatbeds, stake trucks, dump bodies, service bodies. In B2B freight work, though, the enclosed box is the standard, because it protects freight from weather and secures it in transit.

Box trucks are commonly described by box length — 16, 20, 24 or 26 feet — with 26 feet being the practical ceiling for the class in most regional fleets.

What a straight truck can carry

A 26-foot box truck handles multi-skid freight with payloads that commonly run up to about 10,000 lbs — enough for the large majority of regional B2B shipments. At Sonic Transport, our 26-foot box trucks take up to 10,000 lbs, and every truck carries a tailgate (lift-gate) as standard, so palletized freight can be delivered to locations without a dock at either end of the run.

Capacity has two ceilings, and shippers should know both. Floor space runs out at roughly a dozen standard skids, depending on size and stacking. Payload runs out at the truck’s weight limit — and dense freight hits the weight ceiling long before the floor is full. This is why carriers always ask for dimensions and weight together; our guide to measuring freight covers getting both right.

Straight truck or something else?

The straight truck sits in the middle of the freight vehicle range, and the right choice depends on the load:

• Below it: cargo vans and Sprinter-style high-roof vans move cartons, long stock and light skids faster and cheaper in city traffic.
• The straight truck’s zone: one to a dozen skids, heavy single pieces, equipment moves, anything needing a tailgate delivery.
• Above it: freight beyond about 10,000 lbs, or full-truckload volumes, moves by semi. Sonic arranges those shipments through transportation partners — same coordination, one point of contact.

The full decision logic, with the thresholds that matter, is in choosing the right vehicle size for your shipment.

Booking a straight truck for palletized freight

When your freight is on skids, book with four facts ready: dimensions, weight, whether each end has a dock or forklift, and the deadline. Those four answers determine whether a straight truck is the right vehicle and whether it needs its tailgate at either end — and having freight staged and wrapped when the truck arrives keeps the pickup quick, as our freight-ready checklist lays out.

Skids and pallets are the heart of what we move at Sonic Transport — roughly 60% of our deliveries involve them, most riding on exactly the trucks this page describes. If you have palletized freight to move in the GTA, Golden Horseshoe or Southern Ontario, see our skid and pallet service and request a quote — a real person will match the truck to the load.