What is a sleeper truck?

A sleeper truck is a semi truck with an integrated sleeping berth built directly behind the cab. Sleeper cabs are designed for long-haul and over-the-road (OTR) routes where drivers spend multiple nights away from home. They range from compact flat-roof sleepers to full studio configurations with standing room, a bed, storage, and amenities like a refrigerator and TV.

What's the difference between a sleeper truck and a day cab?

The key difference is the cab configuration. Sleeper trucks have an extended cab with a built-in sleeping area for drivers on overnight or multi-day routes. Day cabs have no sleeper berth — they're shorter and lighter, designed for local and regional hauls where drivers return home daily. If your operation runs long-distance freight, a sleeper is the right choice.

What are the most popular sleeper truck models available?

Top sleeper models in the used market include the Peterbilt 567 sleeper, Kenworth W900 studio sleeper, Kenworth T680 sleeper, Freightliner Cascadia sleeper, and Volvo VNL sleeper. The Kenworth W900 studio sleeper is especially popular among owner-operators for its spacious interior and strong resale value.

What sleeper cab sizes are available?

Sleeper sizes vary widely by application. Flat-top and mid-roof sleepers offer a compact berth for shorter OTR runs. High-roof and studio sleepers — like the Kenworth W900 studio — provide full stand-up height, a larger bunk, and more living space for drivers on extended hauls. When buying used, confirm the sleeper dimensions match your driver's comfort needs and any dock height restrictions on your routes.

What should I look for when buying a used sleeper truck?

Beyond standard mechanical checks — engine condition, mileage, transmission, and frame — inspect the sleeper cab specifically for roof integrity, bunk hardware, HVAC performance (especially the auxiliary power unit or APU), and any moisture or water intrusion. A well-maintained sleeper interior is a sign of an owner-operator who took care of the whole truck.

Can I search for sleeper trucks by make or sleeper type on Comvoy?

Yes. Comvoy lets you filter sleeper truck listings by manufacturer, model year, mileage, price, and location — so you can narrow the inventory to exactly what your operation requires.

Used Sleeper Trucks for Sale in Washington

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Used 2017 Freightliner Cascadia - photo 1

Used Sleeper Trucks for Sale in Washington

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20 results

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Location

Condition

Listing Type

Used 2017 Freightliner Cascadia Detroit DD15 Sleeper Truck

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

Used 2020 Freightliner Cascadia Cummins X15 Sleeper Truck

Used 2018 Freightliner Cascadia Detroit DD15AT Semi Trucks / Tractors

Used 2019 Freightliner Cascadia Detroit DD15AT Sleeper Truck

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

Used 2020 Freightliner Cascadia Detroit Diesel DD15 Sleeper Truck

Used 2019 Freightliner Cascadia Detroit Diesel DD15 Sleeper Truck

Used 2019 Freightliner Cascadia Cummins X15 Sleeper Truck

Used 2020 Freightliner Cascadia Detroit Diesel DD15 Sleeper Truck

Used 2020 International LT Cummins X15, Signature Sleeper Truck

Used 2022 Freightliner Cascadia Detroit Diesel DD15 Sleeper Truck

Used 2020 International LT Cummins X15, Signature Sleeper Truck

Used 2019 Freightliner Cascadia Detroit Diesel DD15 Sleeper Truck

Used 2020 Freightliner Cascadia Detroit Diesel DD15 Sleeper Truck

Used 2022 Freightliner Cascadia Detroit DD15AT Sleeper Truck

Used 2022 Freightliner Cascadia Detroit Diesel DD15 Sleeper Truck

Used 2020 Freightliner Cascadia Detroit Diesel DD15 Sleeper Truck

Frequently Asked Questions about Sleeper Trucks

What is a sleeper truck?

What's the difference between a sleeper truck and a day cab?

What are the most popular sleeper truck models available?

What sleeper cab sizes are available?

What should I look for when buying a used sleeper truck?

Can I search for sleeper trucks by make or sleeper type on Comvoy?

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