Head to head
PACKOUT vs StackTech: the same base rating, two different bets
Both publish 250 lb at the base. One has drawers in almost every module and no published weather rating; the other has the biggest accessory range in the category and IP65. That is the whole comparison.
PACKOUT if the stack goes outside or you want the range; StackTech if you want drawers. Both publish 250 lb at the base. Milwaukee publishes IP65 on its hard cases and ToughBuilt publishes no IP rating at all - but StackTech puts up to three drawers in a single module, which PACKOUT largely does not.
Where they agree
The headline specifications are closer than the marketing on either side suggests. Both systems are built around a rolling base that publishes 250 lb dynamic capacity, both use proprietary locking cleats, and both stack into a rigid single object that moves in one trip.
| Milwaukee PACKOUT | ToughBuilt StackTech | |
|---|---|---|
| Base capacity | 250 lb dynamic / 1,000 lb static | 250 lb |
| Module capacity | Varies by box | 50 lb |
| Drawers in modules | Some | Yes, up to three per module with 22 dividers |
| Published IP rating | IP65 on the hard cases | None published |
| Accessory range | The largest in the category | Considerably smaller |
| Cleat compatibility | PACKOUT only | StackTech only |
Published manufacturer figures. Milwaukee is the only system here publishing separate dynamic and static base numbers.
If the base rating were the whole story these would be interchangeable. It is not, and the two genuine differences pull in opposite directions.
Quick picks
Ranked on published specifications, not on hype. The key number is the figure that decides each pick, quoted from the maker. Tap a row for the full write-up, or go straight to the listing.
| # | Product | Best for | Key number | Price |
|---|---|---|---|---|
| 1 |  PACKOUT rolling tool boxMilwaukee publishes two capacities and both are worth knowing: 250 lb while you are rolling it, 1,000 lb standing still. Every other PACKOUT component clips to it, which is the actual product being sold. | The base of the largest modular ecosystem | 250 lbdynamic capacity | $215.00 · Check on Amazon |
| 2 |  StackTech XL 3-drawerDrawers rather than a lift-lid box, with 22 dividers and auto-latching. The published 50 lb capacity is per box and it is the number that decides what these are for: hand tools and fasteners, not impact sockets. | Drawers inside a modular stack | 50 lbbox capacity | $178.99 · Check on Amazon |
| 3 | MilwaukeeNo photo PACKOUT compact organizerFive removable bins under a transparent sealing lid, IP65 rated, and it clips into the rest of a PACKOUT stack. The bins come out and go to the work, which is the whole point of a small-parts organizer. | Small parts inside a PACKOUT stack | IP65weather seal | Check price on Amazon |
Every key number is a figure the manufacturer publishes. Where a maker publishes none, the row says so rather than substituting an estimate of ours.
Top pick · The base of the largest modular ecosystem
Milwaukee PACKOUT Rolling Tool Box (48-22-8426)
Milwaukee publishes two capacities and both are worth knowing: 250 lb while you are rolling it, 1,000 lb standing still. Every other PACKOUT component clips to it, which is the actual product being sold.
- Body steel
- Not published
- Per drawer
- Not published
- Storage
- Not published
- Empty weight
- Not published
What works
- Publishes a dynamic AND a static capacity, which almost nobody in modular storage does
- 9 in wheels handle a gravel driveway and a curb, not just a shop floor
- The largest component range of any modular system, so the base has somewhere to grow
- IP65 means rain on a truck bed is not a problem
What does not
- 250 lb dynamic is the real ceiling and a loaded stack passes it easily
- You are buying into an ecosystem: leaving it later means replacing the whole stack
- Sold through many channels, so the Amazon listing is not always the best price
| Published specification | |
|---|---|
| Dynamic capacity | 250 lb (in motion) |
| Static capacity | 1,000 lb (stationary) |
| Wheels | 9 in all-terrain |
| Handle | 19.75 in fully collapsible |
| Weather | IP65-rated seal |
| Connection | Integrated locking cleats, compatible with all PACKOUT components |
| Where it is sold | Amazon, plus other retailers |
Who it is for
Anyone whose tools travel - job site, driveway, or a second garage.
What it is not for
A fixed garage bay, where a steel cabinet gives far more storage per dollar.
Sources for this entry
2 · Drawers inside a modular stack
ToughBuilt StackTech XL 3-Drawer Tool Box
Drawers rather than a lift-lid box, with 22 dividers and auto-latching. The published 50 lb capacity is per box and it is the number that decides what these are for: hand tools and fasteners, not impact sockets.
- Body steel
- Not published
- Per drawer
- Not published
- Storage
- Not published
- Empty weight
- Not published
What works
- Real drawers in a modular box, which most systems only do at extra cost
- 22 dividers included rather than sold separately
- Auto-latching drawers stay shut when the stack is moved
What does not
- 50 lb per box is a third of what a steel cabinet drawer pair holds
- StackTech's accessory range is far smaller than PACKOUT's
- Plastic construction: it is not a garage cabinet in a different shape
| Published specification | |
|---|---|
| Capacity | 50 lb |
| Drawers | 3, auto-latching |
| Included | 22 dividers |
| System | StackTech; the base is published at 250 lb |
| Where it is sold | Amazon, plus other retailers |
Who it is for
Small parts and hand tools that need to travel and stay sorted.
What it is not for
Heavy sockets, breaker bars or anything you would call a load.
Sources for this entry
3 · Small parts inside a PACKOUT stack
Milwaukee PACKOUT Compact Organizer (48-22-8435)
Five removable bins under a transparent sealing lid, IP65 rated, and it clips into the rest of a PACKOUT stack. The bins come out and go to the work, which is the whole point of a small-parts organizer.
- Body steel
- Not published
- Per drawer
- Not published
- Storage
- Not published
- Empty weight
- Not published
What works
- IP65 on a small-parts box is unusual and genuinely useful in an open truck bed
- Removable bins go to the work instead of the whole box going
- Transparent lid means you identify the box without opening it
- Clips into a PACKOUT stack rather than riding loose on top of it
What does not
- No published weight capacity for the organizer itself
- Only worth it if you are already inside the PACKOUT system - the cleats fit nothing else
- Five bins is a shallow subdivision compared with a 64-drawer parts cabinet
| Published specification | |
|---|---|
| Bins | 5 removable storage bins |
| Lid | Transparent, seals the bins so contents cannot migrate in transport |
| Weather | IP65 rated seal |
| Construction | Impact-resistant |
| System | PACKOUT; mounts and stacks with the rest of the range |
| Where it is sold | Amazon, plus other retailers |
Who it is for
A PACKOUT owner who needs fasteners and terminations to travel sorted and dry.
What it is not for
A stationary garage, where a wall-mounted parts cabinet holds far more for less.
Sources for this entry
Difference one: drawers
Every lift-lid modular system has the same structural flaw - to reach the bottom box you unstack everything above it. In a garage that is an annoyance. On a site with three boxes stacked it means the bottom box ends up holding whatever you need least, which is a waste of the best-protected position in the stack.
StackTech's answer is drawers: up to three in a module, with 22 dividers included. That is closer to a very small tool chest that clips onto a stack than to a tool box, and for fasteners, terminals and small hand tools it behaves exactly the way a chest drawer does. PACKOUT has drawer options but they are a smaller part of its range. The StackTech breakdown has the published figures in full.
The 50 lb module ceiling
StackTech publishes 50 lb per module. A 200-piece socket set is roughly 24 lb and a half-inch impact set about 18, so two items put you at 42 of the 50 before a ratchet goes in. That is a statement about what the system is for - many small things - rather than a fault, but it rules out automotive tooling.
Difference two: the rating one of them does not publish
Milwaukee publishes IP65 on its hard PACKOUT cases: dust-tight, plus protection against low-pressure water jets from any direction. It is a defined test with a defined result. ToughBuilt publishes no IP rating for StackTech at all.
That does not mean StackTech boxes are unsealed. It means the sealing has not been tested to a published standard, and on this site an unrated seal is treated as a claim rather than a specification. If the stack lives in an open truck bed in the rain, that gap should decide the comparison on its own. If it lives in a van or a garage, it very likely does not matter at all.
Note also that IP65 covers the hard cases and not the fabric products - Milwaukee publishes no IP rating on the PACKOUT totes and bags, for the obvious reason that a bag with an open mouth cannot be sealed.
Difference three: how much there is to buy
Range is a genuine specification in modular storage even though nobody prints it, because the value of your first box depends entirely on how many second and third boxes exist. PACKOUT's range is the largest in the category by a wide margin - boxes, organizers, totes, racks, mounts and bags. StackTech's is considerably smaller.
Cleat geometry is proprietary on both sides and nothing crosses over, so this is a decision you make once. How to pick a stacking system covers the switching cost before the features, which is the right order.
Where you can actually buy each one
Where you can actually buy each one
| Brand | Where it is sold | Do we earn anything? |
|---|---|---|
| Milwaukee PACKOUT | Home centers, tool dealers and Amazon | Yes, on the Amazon listings |
| ToughBuilt StackTech | Amazon and general retail | Yes, on the Amazon listings |
We say this on every comparison because it changes what our recommendation is worth to you. Where we earn nothing, there is no commercial reason for us to steer you anywhere.
Which to buy
- PACKOUT if the stack ever sits outdoors, if you want the option to keep expanding for years, or if you already own any of it.
- StackTech if your problem is sorting many small things and drawers are what you actually want from a modular system.
- Neither if the tools never leave the building - a tool chest gives you several times the volume for the money.
- Whichever you already own. The switching cost is the entire stack, and both systems are good enough that it is rarely worth paying.
If you are still deciding whether modular storage makes sense at all, is PACKOUT worth it works through the three questions that settle it, and the answers apply to StackTech just as well.
Common questions
Is PACKOUT or StackTech better?
They publish the same 250 lb base capacity and differ on two things. StackTech offers drawers in almost every module, up to three per box with 22 dividers. PACKOUT publishes IP65 on its hard cases and has by far the larger accessory range. Pick StackTech for drawers, PACKOUT for weather and range.
Is StackTech waterproof?
ToughBuilt publishes no IP rating for StackTech, where Milwaukee publishes IP65 for PACKOUT's hard cases. The boxes may well be sealed - the sealing simply has not been tested to a standard and published, so it is unrated rather than known.
Can you mix PACKOUT and StackTech?
No. The locking cleats are proprietary to each system and nothing crosses over. Owning half a stack in each means paying both premiums and getting neither system's convenience.
How much weight can a StackTech box hold?
ToughBuilt publishes 250 lb for the base and 50 lb per module. The 50 lb figure is the constraint that matters in practice - two socket sets reach about 42 lb of it.
Sources
Read next
ToughBuilt StackTech, and the drawers the big two do not offer
A 250 lb base, 50 lb modules and more drawers per box than any rival - plus the IP rating ToughBuilt does not publish.
Milwaukee PACKOUT, explained by its own specification sheet
How PACKOUT works, what its two published capacities mean, what IP65 covers, and which piece to buy first.
PACKOUT vs ToughSystem 2.0: identical headline specs, one real difference
Identical headline specs, one real difference: backward compatibility against range size, and the dynamic-versus-static trap in between.
Is PACKOUT worth it? Three questions that answer it for you
The PACKOUT premium buys cleats, a weather seal and an impact shell - and all three only pay back in transit. Three questions that settle it.
How to pick a stacking system you will not regret
Three questions in order, the weight table that decides which systems are even eligible, and the switching cost nobody puts in a comparison.