Module 04
Tractor, trailer, sleeper, day cab — what's the difference?
The words matter because they map to different jobs, different costs and different lenders. Here's a plain-English side-by-side, the unit we're reviewing, and the inspection it has to pass before a dollar changes hands.
Power
Class 8 tractor
Powered unit used to pull semi-trailers.
Cargo box
53-ft dry van
Enclosed, non-refrigerated freight trailer.
Long-haul
Sleeper tractor
Has a sleeper compartment; common for long-haul.
Local
Day cab
No sleeper; frequent for local/regional work.
Drivetrain
Automated transmission
Reduces manual shifting; suitability depends on route & load.
The unit we're reviewing
2020 Freightliner Cascadia 126
Model2020 Freightliner Cascadia 126
EngineDetroit DD15
Horsepower455 HP
TransmissionDT12 automated
Advertised miles730,000
Advertised price$32,500
LocationHouston, Texas

All figures are from a seller's listing, not independently verified. $32,500 is an advertised asking price, not a negotiated or confirmed purchase price.
Acquisition comes last. Truck purchase happens after verifying route specifications, financial feasibility and contract demand — not before.
Interactive inspection checklist
0/10 cleared — click an item to cycle status.
Equipment details are from a seller's advertisement and must be independently verified.