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What size mattress fits in a Peterbilt 389?

Peterbilt 389 & sleepdog logo

Out of all the popular and commonly used sleeper semi-trucks on the road today, the Peterbilt 389 is a solid choice among enthusiasts and professional truck drivers alike. Like some Kenworth trucks, the Peterbilt 389 comes equipped with an efficient Paccar MX-13 engine. Other notable features and design benefits include all disc brakes, a configurable dash, and an all-aluminum cab to reduce overall weight.

In terms of rest, relaxation, and overall comfort, the Peterbilt 389 is a venerable choice that has a lot to offer with a spacious cab for sleeping. The 389 also has ample shelving, storage, overhead lighting and excellent cooling for a comfortable experience.  This sleeper truck also comes in various configurations with low roof and ultracab interior packages. Customers also have the option to choose from the prestige or platinum interior trim level.

The Peterbilt 389 Sleeper Trailer

As with all sleeper semi-trucks, the 389 and other Peterbilt sleeper models come with a factory installed mattress. While the factory mattress is convenient, there may come a time when you wish to upgrade your mattress.  Whether it’s wear and tear, or simply age, the stock semi-truck mattresses have a shelf life. Stock semi-truck mattresses are prone to common wear points and might not have the relief needed for those long hauls after they reach a certain period. SleepDog® offers a variety of quality, aftermarket mattresses which will upgrade the comfort and support of the bunk in your sleeper cabin with better supporting memory foam, cooler material, and thicker, more comfortable padding. SleepDog® semi-truck mattresses come in standard sizes, so you can get a more comfortable and reliable sleeper mattress in the exact size replacement for the stock Peterbilt semi-truck mattress.

Shop Semi Truck Mattresses

The OEM semi-truck mattress compartment in the Peterbilt 389 can accommodate many different sleeper sizes. These include 44-inch, 58-inch, 72-inch or 78-inch mattress lengths. Ample shelving and storage areas are also provided with each sleeper option. SleepDog® has each of these mattress lengths, making it easy to find the right sized mattress for your sleeper. Whether it is for a top or bottom bunk, each of our mattress lines are offered in multiple sizes, because we want to make sure that you get the right fit for your sleeper trailer. Two replacement options include the Bigdawg Mattress™ and the SleepDog® Mattress, which are made to give you the best rest possible on the road. If you have questions about which mattress is the best fit for your semi-truck sleeper, a SleepDog® Mattress sales representative would be happy to assist you.

View Mattress Size Guide

SleepDog® and the Peterbilt 389

With a SleepDog® Mattress in your Peterbilt 389, not only can you sleep more comfortably, but you can rest easy knowing that SleepDog® Mattresses are DOT approved. These mattresses also withstand common wear points better than a stock, factory installed mattress, helping drivers sleep better and work safer. While there are different options for getting an upgraded mattress, the best method of purchasing a new mattress is to do so online.

Instead of going to a physical store location, obtaining a new mattress through an online retailer like SleepDog® Mattress is hassle free and provides a better shopping experience overall. By shopping online with SleepDog® for your mattress, you can save time and avoid the trouble of going to the store and potentially dealing with out-of-stock issues. For truck drivers who are constantly on the road, shopping online is the ideal solution.

Shop SleepDog® Mattresses

Shoppers have concerns about purchases products online because there are many variables that contribute to an online purchase. Receiving the wrong product, unfair shipping and processing fees, or overly restrictive return policies are major causes of distress for customers. Some retailers make online shopping harder than it needs to be. But with SleepDog®, one of the benefits they provide is  free shipping and free returns. On top of that, all SleepDog® mattresses come with an exceptional 10-year warranty. This means that if there is a problem with your mattress, there are no hidden or surprise fees to return it and you do not have pay added shipping.  Additionally, SleepDog®, like many online retailers, runs regular special promotions on its website and also offers discount codes from time to time. If you time your purchase right, you can get an excellent deal on a SleepDog® mattress and enjoy the benefits that come with owning a top-of-the-line mattress.