
Sleeper cabs are a virtual necessity for long-haul jobs. Giving drivers a “home away from home,” it allows them to keep road costs to a minimum while still ensuring they get all the rest necessary to drive safely while conforming to regulations.
It’s no secret sleepers add significantly to the size, bulk, and overall weight of a vehicle. Full-sized sleeper cabs can cut into your load profits. It can even create navigational challenges for drivers in areas with low-clearance bridges. That’s why when Kenworth announced the development of 40-inch sleepers in October 2015, there was immediate interest throughout the trucking industry.
Read on for details about Kenworth’s sleeper sizes, specs, and more.
Kenworth 40-Inch Sleeper: Specs, Features & Benefits
40-inch sleeper trucks have been a popular choice on Kenworth T680 and Kenworth T880 configurations for regional hauling, transport, towing, flatbeds, and vocational applications.
To accommodate body builder equipment for all vocational applications, the T880 40” sleeper features a low-profile design that is nearly 17 inches shorter in overall height – from the bottom of the frame rails to the top of the sleeper – than the T880’s 52-inch and 76-inch mid-roof sleeper configurations.

They also feature 22 cubic feet of storage space in a compact package. In fact, it’s actually six inches lower than their 38″ sleeper! This makes the sleeper more compatible with a wide range of loads and configurations.
The 40-inch cab shaves significant weight off as well. Weighing 260 pounds lighter than their 52″ sleeper offering, drivers will reap larger payloads and larger paydays.
Inside the Kenworth sleeper cab, drivers get a 24″ x 75″ liftable bunk which can be pivoted 90 degrees to allow extra storage space when not in use. Drivers also get two shelves, a cell phone cubby, clothing hooks, and tool storage areas. Optional windows allow for a great view while driving or resting, and the sleeper can also be outfitted with high-quality speakers for additional driving entertainment. Both Diamond VIT and Vantage interior options are available.

The roof also features mounts suitable for a variety of add-ons, including LED markers, lights, horns, a sun visor, or antennas for cellular, TV, or navigational reception.
Kenworth Sleepers Built for Comfort, Efficiency & Flexibility
40-inch sleepers give fleets and owner-operators far more flexibility in buying trucks which can meet the comfort and safety needs of their drivers, while adding a true minimum of extra size and weight to the cab. The Kenworth 40” sleeper is perfect for vocational work, but can also be just as easily deployed in long-haul jobs to carry the most possible cargo.
Kenworth once again proves it is “The World’s Best”, and Coopersburg & Liberty Kenworth has a full range of Sleeper trucks for sale, including this 40” cab option, ready for immediate delivery. Our decades of service to the greater Northeast combined with our vast range of offerings such as parts, body repairs, and financing make us the perfect choice for expanding your fleet.
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