The Wingmaster Freightliner 34" Upper Battery Box is a practical and reliable solution for your Freightliner Cascadia day cab. With a length of 34 inches, this battery box provides ample space for your batteries, ensuring efficient power supply. Designed specifically for the 2011 model, this upper battery box is a perfect fit. Its sturdy construction and easy installation make it a convenient choice for truck owners. Upgrade your battery storage with this durable and functional battery box, available for purchase individually.