Cabinets
Seville Classics UltraHD cabinet: the 18 inch question
600 lb across the cabinet, 150 lb a shelf, and a depth of 18 inches. That last figure is the entire review — it is why this cabinet fits, and why it will disappoint some people.
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Seville Classics publishes three numbers for the UltraHD storage cabinet that matter: 36 in wide by 18 in deep by 72 in high, 600 lb total capacity, 150 lb per shelf, in a lockable steel body. This review is mostly about the second of those dimensions, because 18 inches is what makes this cabinet work in a garage where a 24 inch cabinet would not fit at all — and it is also what will annoy you if you bought it expecting to put bins inside.
We have not tested this cabinet and we do not claim to have. What follows is the published specification, read against the measurements of what people actually store, plus the trade-offs those figures imply. That is our method throughout, and it is set out on how we pick. The rest of the category sits in the cabinets hub.
The published specification
| Specification | Published figure |
|---|---|
| Dimensions | 36 in W x 18 in D x 72 in H |
| Total capacity | 600 lb |
| Capacity per shelf | 150 lb |
| Body | Steel, lockable |
18 inches: what it buys and what it costs
What it buys: a garage you can still walk through
A 24 inch cabinet against a side wall takes two feet out of the room, and in a single-car garage that is frequently the difference between opening the car door and not. At 18 inches you keep six inches of that back. It does not sound like much written down; standing sideways between a cabinet and a car door, it is the whole difference.
This is the same arithmetic that makes the Gladiator 60 in rack a sensible shallow-depth choice, and it is worked through in how deep garage shelves should be.
What it costs: the tote does not fit
The common 27-gallon totes are about 19.6 inches wide. The cabinet is 18 inches deep. The doors will not close on one. Not tightly, not with persuasion — the tote is wider than the cabinet is deep.
If your storage plan is bins behind doors, this is the wrong cabinet and the 60 in UltraHD extra-wide at 24 in deep is the right one. We would rather say that here than have you find out on assembly day.
600 pounds, in things you actually own
150 lb per shelf is the more useful of the two figures, because you load a shelf, not a cabinet. Converted:
| Contents | Rough weight | Fits in 150 lb? |
|---|---|---|
| A dozen 1-gallon paint cans | About 130 lb at roughly 11 lb each | Yes, near the limit |
| Car battery plus tools | 50 to 70 lb | Comfortably |
| Boxed hand tools and hardware | 40 to 80 lb | Comfortably |
| Two packed 27-gallon totes | Up to 120 lb | By weight yes — but they do not fit the depth |
The honest read: 150 lb per shelf is enough for everything that belongs behind a closed door, and the shelf will run out of space before it runs out of rating for most contents. Paint is the exception worth watching — a full shelf of gallon cans gets close.
600 lb total is modest next to open shelving of the same footprint. A welded steel rack publishes thousands of pounds per shelf. You are not buying this cabinet for capacity; you are buying it for doors and depth.
The doors are the actual product
Most of what people mean by "tidying the garage" is not storing things better, it is not seeing them. A cabinet does that and open shelving does not, and the lockable steel body is the correct answer for the shelf of chemicals, solvents and sharp things that every garage accumulates.
If that is the job, this is a well-specified way to do it. If the job is maximum storage per dollar, open shelving beats it on every metric — the comparison is in cabinets against shelves.
The honest cons
- 18 inches will not take a tote. Said twice deliberately. It is the single most common mismatch in this category.
- 600 lb total is modest. Fine for a cabinet, low next to comparable open shelving.
- Steel sweats in an unheated garage. A humidity swing puts condensation on the panel, and cardboard or paper labels left against the side will mark. Airflow fixes it; the cabinet does not.
- Lockable is not secure. A domestic cabinet lock keeps children and casual hands out. It is not a safe, and nothing about the published specification suggests otherwise.
Against the alternatives, at a glance
| UltraHD 36 in | UltraHD 60 in extra-wide | Gladiator 60 in rack | |
|---|---|---|---|
| Dimensions | 36 x 18 x 72 in | 60 x 24 x 72 in | 60 in wide, 18 in shelves |
| Doors | Yes, lockable | Yes, lockable | No — open shelving |
| Total capacity | 600 lb | 800 lb | Not published |
| Per shelf | 150 lb | 100 lb, 200 lb bottom | Not published |
| Takes a 27 gal tote | No | Yes | No — overhangs |
| Floor taken | 4.5 sq ft | 10 sq ft | 7.5 sq ft |
The row worth staring at is the per-shelf one. The bigger cabinet has the lower per-shelf rating — 100 lb against 150 lb — with the strength concentrated in a reinforced 200 lb bottom shelf. Bigger is not stronger per shelf here, and if you assumed it was you would load the wrong tier.
What we could not verify
Stating the gaps is part of the review rather than an omission from it.
- Steel gauge. Not published in the specification we read, so we are not quoting one. Gauge is the number that would tell you how the doors resist denting, and its absence is a real information gap.
- Warranty term. Not published alongside the capacity figures. Compare that to the Husky shelving range, which publishes a lifetime warranty prominently.
- Assembly time and part count. We have not built one and will not estimate it.
- Live price. Prices render on this site only from the retailer data layer, dated. Where none is available the button reads "Check price", and we do not type a number into the copy.
Who should buy it, and who should not
Buy it if your garage is narrow, you still park in it, and you want chemicals and clutter behind a lockable door. On depth against published capacity it is the most sensible steel cabinet we have looked at for that specific case, and it is the pick in our garage cabinet roundup for exactly that reason.
Buy the 60 in UltraHD extra-wide instead if bins are going inside. 24 in depth takes a 27-gallon tote, 800 lb total, and a reinforced 200 lb bottom shelf where the heavy things end up anyway. The catch is the 100 lb upper-shelf rating and a serious footprint.
Buy the Gladiator 60 in rack instead if you do not actually need doors. Four 18 in shelves, open, is more usable storage per dollar than any cabinet — you just have to look at it.
Do not buy it if what you are storing is bulk and bins. The depth is a hard limit and no amount of wanting it to work will change 18 into 19.6.
What we would buy for this
Every pick carries the manufacturer's published specs, our scoring against stated criteria, and a reason you might want to skip it.
#1 · Best all-steel cabinet
Seville Classics UltraHD Storage Cabinet, 36 x 18 x 72 in
Seville Classics
600 lb across the cabinet and 150 lb per shelf, in a footprint 18 inches deep. The depth is the reason it works in a garage where a 24 in cabinet would eat the walkway.
Published specs
- Dimensions
- 36 in W x 18 in D x 72 in H
- Total capacity
- 600 lb
- Capacity per shelf
- 150 lb
- Body
- Steel, lockable
Figures are the manufacturer's, from Seville Classics published specifications, read 2026-09-01. We have not verified them by testing and do not imply that we have.
Our scoring
- Published capacity
- 7.5
- Footprint efficiency
- 9.0
- Build
- 8.5
- Security
- 8.5
- Tote fit
- 4.5
What works
- 18 in depth keeps the walkway usable in a single-car garage
- Steel body and lockable doors, which matters if the garage is also where the chemicals live
- 150 lb per shelf is enough for anything that belongs behind a door
- Doors mean the contents stay out of sight, which is most of what a garage tidy actually is
What doesn't
- 600 lb total is modest next to open shelving of the same size
- 18 in depth will not take a 27-gallon tote across the depth
- Steel cabinets in an unheated garage will sweat in a humidity swing
Skip this one if what you are storing is bins. A 27-gallon tote is over 19 in wide and this cabinet is 18 in deep — you would be buying doors you cannot close.
#2 · Best big cabinet
Seville Classics UltraHD Extra-Wide Cabinet, 60 x 24 x 72 in
Seville Classics
800 lb total with a reinforced 200 lb bottom shelf — the bottom shelf rating is the one to notice, because that is where the heavy things end up anyway.
Published specs
- Dimensions
- 60 in W x 24 in D x 72 in H
- Total capacity
- 800 lb
- Capacity per shelf
- 100 lb
- Bottom shelf
- 200 lb
Figures are the manufacturer's, from Seville Classics published specifications, read 2026-09-01. We have not verified them by testing and do not imply that we have.
Our scoring
- Published capacity
- 8.0
- Footprint efficiency
- 6.5
- Build
- 8.5
- Security
- 8.5
- Tote fit
- 9.0
What works
- 24 in depth takes a 27-gallon tote across the depth, which the 18 in cabinet cannot
- The 200 lb bottom shelf is rated for what people actually put there
- 60 in of closed storage clears a lot of clutter in one purchase
What doesn't
- 100 lb per shelf on the upper shelves is not much for a cabinet this size
- 24 in deep and 60 in wide is a serious amount of garage
- The strong shelf is the bottom one, so anything heavy has to live at floor level
Skip this one if your garage is a single bay and you still park in it. 60 in wide by 24 in deep against a side wall is often the difference between opening the car door and not.
#3 · Best shallow-depth rack
Gladiator 60 in Heavy Duty Rack, four 18 in shelves
Gladiator GarageWorks
18 inches deep rather than 24. In a garage where the shelving runs down the side of a parked car, six inches is the whole argument.
Published specs
- Model
- GARS604TEG
- Width
- 60 in
- Shelves
- Four, 18 in deep
Figures are the manufacturer's, from the Gladiator GarageWorks catalog, read 2026-09-01. We have not verified them by testing and do not imply that we have.
Our scoring
- Published capacity
- 6.5
- Footprint efficiency
- 9.0
- Build
- 8.5
- System fit
- 9.0
- Tote fit
- 4.5
What works
- 18 in depth leaves the walkway alongside a car intact
- Matches the rest of the Gladiator system if the wall is going to grow
- 60 in width fits between common obstructions
What doesn't
- 18 in will not take a 27-gallon tote across the depth
- No prominently published per-shelf capacity
Skip this one if you are storing standard totes. Measure first: the common 27-gallon totes are about 19.6 in wide, so an 18 in shelf leaves them overhanging.
Sources
- Seville Classics UltraHD storage cabinet 36 x 18 x 72 in — 600 lb total, 150 lb per shelf, lockable steel bodyChecked September 6, 2026
- Seville Classics UltraHD extra-wide cabinet 60 x 24 x 72 in — 800 lb total, 100 lb per shelf, 200 lb bottom shelfChecked September 6, 2026
- Sterilite 27 gal Industrial Tote — published exterior width 19.625 inChecked September 6, 2026
- Gladiator GARS604TEG — 60 in wide, four 18 in deep shelvesChecked September 6, 2026
Manufacturer documentation, manuals, warranty terms and exact product models reviewed September 6, 2026.
Read next
- The best garage storage cabinetsCabinets ranked on published capacity and the depth question that decides whether your bins fit.
- Metal or wood garage cabinets?Published capacity against material tolerance, and the honest case for each in a real garage.
- Garage cabinets with doorsWhich garage contents genuinely need doors, and what to look for if safety is the reason.
- Gladiator garage storage: an honest lookWhat the Gladiator system actually buys, where it wins, and where it does not publish enough.
- How deep should garage shelves be?24 in for totes, 18 in beside a car, 12 in for cans. The one measurement that decides shelf depth.