The Milwaukee PACKOUT Large Tool Box 48-22-8425 is a modular storage box built for contractors, service techs, and serious DIY users who need durable, stackable tool storage that can move with them from truck to jobsite. This is a modular tool box designed for jobsite tool storage and transport. Model Number: 48-22-8425. If you are already working out of the Milwaukee PACKOUT platform, this box gives you a larger-capacity storage option that still locks into the rest of the system.

The big selling point here is simple: it is not just a plastic box. Milwaukee builds it with impact-resistant polymers, metal reinforced corners, a reinforced hinge, heavy-duty latches, and a metal reinforced top handle. In plain terms, that means it is made to deal with the usual abuse of being loaded, stacked, dragged, and moved around unfinished spaces without turning into a cracked shell after one rough week.

The 100 lb weight capacity is what makes this box useful in the real world. You can load it with heavier hand tools, compact power tools, accessories, layout gear, or mixed trade supplies without feeling like you are pushing the box past its comfort zone. For users trying to consolidate tools into fewer cases, that capacity matters because it gives you room to build one organized setup instead of carrying loose bags and smaller boxes.

Milwaukee also gave this box an IP65 rated weather seal, which is one of the features that separates jobsite storage from basic garage storage. Rain, dust, and debris are part of daily work, especially when boxes get left in open structures, trailers, or pickup beds. The seal will not make the box indestructible, but it does add real protection for tools and accessories that you do not want exposed to moisture and grit.

Inside, the included organizer tray helps keep frequently used items separated from the main compartment. That is a practical detail, not fluff. Small hand tools, bits, fasteners, testers, or layout items can stay up top while bulkier gear rides below. The result is less digging around and less wasted time every time you open the lid.

Where this box really earns its keep is system compatibility. The Milwaukee PACKOUT Large Tool Box connects with all other PACKOUT modular storage components through integrated locking cleats, so it works as part of a full stack rather than as a standalone container. There is also a mounting location for the ONE-KEY TICK, which is useful for users managing multiple boxes, crews, or mobile inventory.

In terms of size, the exterior dimensions are listed at approximately 22.1 inches wide, 16.2 inches long or deep, and 11.1 inches high, with product weight around 12.2 lbs. That puts it in a sweet spot for users who need more room than a compact case but do not want the bulk of a full rolling chest for every job. It is large enough to be useful, but still manageable to carry on its own.

Who should buy it? This box makes the most sense for tradespeople already invested in PACKOUT, anyone building a modular tool transport setup, and users who need weather-resistant tool storage with real durability. If you want a cheap box for occasional garage use, this is more storage than you need. If you want one stackable storage platform that holds up on active jobs, the Milwaukee PACKOUT Large Tool Box 48-22-8425 is exactly the kind of box worth paying for.

Milwaukee PACKOUT Large Tool Box 48-22-8425 is the right box when your storage actually has to work

This is a tough, useful middle-ground PACKOUT box that carries enough gear to matter without getting obnoxious to move around.

• Who it's for: Tradespeople and serious DIY users who want stackable jobsite storage, especially anyone already running the PACKOUT system.
• Why it stands out: The combination of 100 lb capacity, IP65 protection, reinforced construction, and full PACKOUT compatibility makes it more than just another plastic box.
• Worth knowing: This is one box, not a full storage stack, so it makes the most sense when you need a larger module in a PACKOUT setup or a durable standalone tool box with room to grow.

• What is the weight capacity of this tool box? The Milwaukee PACKOUT Large Tool Box is rated for up to 100 lbs.
• Is this box compatible with other PACKOUT storage products? Yes. It is designed to connect with all Milwaukee PACKOUT modular storage components.
• Does it offer weather protection? Yes. It features an IP65 rated weather seal to help protect tools and accessories from rain and jobsite debris.
• Can it be secured with a lock? Yes. It has a metal reinforced locking point.