Peterbilt 375/377 Tool & Battery Boxes This product lineup of products caters to the diverse needs of Peterbilt 375 and 377 truck owners, providing a wide selection of durable and functional tool and battery boxes. From spacious aluminum underbody tool boxes with cam-lock doors to compact battery boxes, this product lineup offers practical storage solutions to keep your truck organized and secure. Key features include sturdy construction, weather-resistant designs, and specialized options like diamond plate finishes and step boxes. Whether you need to stow away tools, batteries, or other essential truck accessories, the Peterbilt 375/377 Tool & Battery Boxes product lineup has the right product to meet your needs and keep your rig running smoothly.