Modular Toolbox

Milwaukee PACKOUT vs HART Stack System

Milwaukee PACKOUT and HART Stack System don't stack together: we have no source saying either locks onto the other. Milwaukee PACKOUT has 52 products on sale across 10 categories, priced $15.98 to $769.00. HART Stack System has 8 products on sale across 5 categories, priced $26.00 to $89.88. Biggest tool box by outside volume: Milwaukee PACKOUT XL Tool Box at about 26 gal against HART Stack System 21 Inch Tool Box at about 13 gal. Highest rated load: 400 lb (Milwaukee PACKOUT) against 250 lb (HART Stack System).

At a glance

Fact Milwaukee PACKOUT HART Stack System
Launched 2017 2020
Products on sale528
CategoriesTool Boxes (6), Drawer Boxes (5), Crates & Totes (5), Small-Parts Organizers (6), Rolling Cases (5), Dollies & Carts (3), Wall Mounts & Hangers (9), Coolers (3), Bags & Pouches (9), Accessories (1)Tool Boxes (2), Drawer Boxes (1), Small-Parts Organizers (2), Dollies & Carts (2), Mobile Workstations (1)
Price range$15.98 – $769.00cheapest: Compact Shelf$26.00 – $89.88cheapest: HART Stack System Dolly
Biggest tool boxXL Tool Box22 × 16.25 × 17 in, ≈ 26 gal outsideHART Stack System 21 Inch Tool Box20.7 × 13.6 × 10.3 in, ≈ 13 gal outside
Highest rated load400 lb2-Wheel Cart250 lbHART Stack System, Mobile Tool Storage and Organization (3-Piece Set)
Weather ratingIP65on 14 productsnone published
Where soldOhio Power Tool, Toolnut, Acme Tools and moreOnly at Walmart

Do they stack together?

No. We have no source saying Milwaukee PACKOUT and HART Stack System lock onto each other, so a mixed stack means two separate stacks. Choosing between them is choosing which lineup you'll keep buying into.

What stacks with Milwaukee PACKOUT · What stacks with HART Stack System

Part by part

Matched by each product's size tier within its own line, so a row pairs each brand's compact, medium, large or XL piece. Tiers are for lining lineups up; the dimensions say how big each one really is.

Tool Boxes 6 vs 2

TierMilwaukee PACKOUTHART Stack System
Compact
Compact Tool Box 16.2 × 9.8 × 13 in · 75 lb rated · $79.97
Tool Case w/ Customizable Foam Insert 20.7 × 15.2 × 6.2 in · 75 lb rated · $89.97
 —
Medium
Tool Box 22.1 × 16.2 × 6.5 in · 75 lb rated · $89.97
 —
Large
Cabinet 19.5 × 14.5 × 14.7 in · 50 lb rated · $159.00
Large Tool Box 22.1 × 16.2 × 11.1 in · 100 lb rated · $99.97
 —
XL
XL Tool Box 22 × 16.25 × 17 in · 100 lb rated · $99.97
 —
Untiered —
HART Stack System 21 Inch Tool Box 20.7 × 13.6 × 10.3 in · 66 lb rated · Out of stock
HART Stack System Tool Box with Small Blue Organizer & Dividers 20.7 × 13.5 × 5.8 in · 47.5 lb rated · Out of stock

All tool boxes from both brands, side by side →

Drawer Boxes 5 vs 1

TierMilwaukee PACKOUTHART Stack System
Untiered
1-Drawer Tool Box 22.2 × 16.3 × 14.3 in · 50 lb rated · $164.97
2-Drawer Tool Box 22.2 × 16.3 × 14.3 in · 50 lb rated · $179.00
3-Drawer Tool Box 22.2 × 16.3 × 14.3 in · 50 lb rated · $199.00
4-Drawer Tool Box 22.2 × 16.3 × 14.3 in · 50 lb rated · $219.00
Multi-Depth 3-Drawer Tool Box 22.2 × 16.3 × 14.3 in · 50 lb rated · $199.00
HART Stack System Two Drawer Tool Box 22.05 lb rated · Out of stock

All drawer boxes from both brands, side by side →

Small-Parts Organizers 6 vs 2

TierMilwaukee PACKOUTHART Stack System
Compact
Compact Organizer 15.2 × 9.8 × 4.6 in · $39.97
Low-Profile Compact Organizer 16.2 × 9.8 × 2.5 in · $34.97
 —
Medium
Low-Profile Organizer 19.7 × 16.3 × 2.5 in · $49.97
Organizer 19.7 × 15.2 × 4.6 in · $59.97
 —
Large
Tilt Bin Organizer 19.7 × 15.2 × 6.7 in · 40 lb rated · $109.00
 —
XL
Deep Organizer 19.7 × 15.2 × 7 in · 50 lb rated · $79.97
 —
Untiered —
HART Stack System Half Tool Organizer Out of stock
HART Stack System Small Parts Organizer with Removable Bins 20.3 × 13.6 × 4.5 in · 47.5 lb rated · Out of stock

All small-parts organizers from both brands, side by side →

Dollies & Carts 3 vs 2

TierMilwaukee PACKOUTHART Stack System
Untiered
2-Wheel Cart 26 × 20 × 48 in · 400 lb rated · $209.00
Dolly 24.4 × 18.9 × 7.6 in · 250 lb rated · $119.00
Hand Truck 400 lb rated · —
HART Stack Cart 20.7 × 16.2 × 38.6 in · 155 lb rated · $44.99
HART Stack System Dolly 220 lb rated · $26.00

All dollies & carts from both brands, side by side →

Only one of them makes

  • Milwaukee PACKOUT only: crates & totes, rolling cases, wall mounts & hangers, coolers, bags & pouches, accessories.
  • HART Stack System only: mobile workstations.

Put their biggest tool boxes side by side

Questions

Do Milwaukee PACKOUT and HART Stack System stack together?

No. We have no source saying Milwaukee PACKOUT and HART Stack System lock onto each other, so mixing them means two separate stacks.

Which is cheaper, Milwaukee PACKOUT or HART Stack System?

On the prices we have (as of October 3, 2026), the cheapest Milwaukee PACKOUT tool box is the Compact Tool Box at $79.97, and the cheapest HART Stack System product is the HART Stack System Dolly at $26.00. Prices are re-checked weekly.

Which has more products, Milwaukee PACKOUT or HART Stack System?

Milwaukee PACKOUT: 52 products on sale across 10 categories. HART Stack System: 8 across 5.

Which holds more weight, Milwaukee PACKOUT or HART Stack System?

By the brands' own ratings, the most any Milwaukee PACKOUT piece is rated to carry is 400 lb (2-Wheel Cart); for HART Stack System it's 250 lb (HART Stack System, Mobile Tool Storage and Organization (3-Piece Set)). Ratings are per piece, not per stack.

Which is more weatherproof, Milwaukee PACKOUT or HART Stack System?

Milwaukee PACKOUT publishes IP65 on 14 of its 52 products; HART Stack System publishes no IP rating. IP65 means dust-tight and protected from water jets, not submersion.

Answered from the catalogue data, as of October 3, 2026. How we compare.

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