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Quick Picks
| Product | Best For | Price |
|---|---|---|
| StowAway Max Hitch Cargo Box with Swingaway Frame | Biggest published enclosed volume here (16 cu ft) with rear access | |
| Yakima EXO SwingBase Hitch Base Rack with GearLocker Cargo Box | Swing-away hitch storage with included locks | |
| Goplus Rooftop Cargo Carrier Hard Shell | Roof-mounted bulk for crossbar-equipped SUVs | |
| SRX-175 Overlanding Cargo Case | Deep sealed truck-bed case for wet gear | |
| KEMIMOTO 69 QT UTV Rear Storage Cargo Box Replace # 2881193 | Listed Polaris RZR bed storage |
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Last Updated: September 2026
Hunting and fishing season punishes storage. Wet waders, muddy decoys, blood-stained game bags, a cooler that leaks, rods that do not fold, and a truck cab that is already full of people and dogs. The fix is almost always external storage: a hitch carrier, a roof box, a bed case, or a UTV box that keeps the gross stuff outside the cabin and locked away from the trailhead parking lot.
This page compares ten cargo storage options using their manufacturer and retailer published specifications only. This website does not do hands-on testing, so nothing below is framed as something we handled. What you get instead is a close reading of the published numbers, with the tradeoffs spelled out — capacity versus load rating, roof versus hitch, sealed case versus aerodynamic shell — and an honest note wherever the supplied listing information simply does not state a figure.
One thing to internalize before you buy anything here: volume is not weight capacity, and a carrier's own rating is not your vehicle's rating. A 16 cubic foot box does not mean 16 cubic feet of lead is fine, and a 200 lb carrier rating does not override your hitch's tongue weight limit or your roof rack's load limit. Check every limit that applies — vehicle, rack or hitch, and carrier — and remember the empty carrier's weight counts against them too.
- MAXIMUM STORAGE & CAPACITY – 16 cubic feet of enclosed cargo space and a 200 lb load rating provide plenty of room for luggage, camping gear, or tools while keeping your vehicle
- FULL REAR ACCESS WITH SWINGAWAY FRAME – The StowAway Swingaway frame pivots completely to the side, giving unobstructed access to your rear doors, hatch, or tailgate without
- Extended Vehicle Storage: EXO SwingBase converts your 2-inch hitch into a foldable cargo platform with included 10 cu. ft. GearLocker, ideal for luggage, camping gear, tools, and
- Easy Rear Vehicle Access: Swing the loaded EXO SwingBase away from your vehicle with one motion, providing convenient access to the trunk, hatch, or rear cargo area without
- Item Package Quantity - 1
- 68 x 33 x 40 inches
What to Look For in a Hunting and Fishing Cargo Box
Here's the thing: the spec that matters most changes depending on where the box lives.
- Load rating, stated separately from volume. The StowAway Max's listing pairs 16 cubic feet of enclosed space with a 200 lb load rating, which is the single highest carrier load figure published among the products here. The Goplus roof box lists 165 lbs. The Let's Go Aero GearSpace listing shows 150 Pounds. Yakima's GearLocker is described as supporting up to 100 lbs on the SwingBase. Those four numbers are not interchangeable, and none of them tells you what your vehicle allows.
- Where it mounts. Hitch-mounted carriers keep weight low and loading waist-high. Roof boxes keep the hitch free for a trailer but put weight overhead and force you to lift gear. Bed and roof cases like the ROAM and SRX boxes ride flat and stack.
- Sealing. For soaked waders and fish-smeared gear, a gasketed, drainable case is a different product from an aerodynamic roof shell. The SRX cases publish a rubber gasket seal and a built-in drain. ROAM publishes a "military-grade weatherproof seal" as a manufacturer claim — treat that as marketing language, not an independent certification.
- Locking. StowAway lists a keyed locking latch. Goplus lists a double-lock design. Yakima's EXO package includes HitchLock and SKS locks. The SRX and ROAM cases list lockable latches. A lockable latch deters casual theft; the supplied listings do not state any security rating, so do not treat any of these as a safe.
- Rear access. If you tailgate-load a deer or reach a cooler twenty times a day, a swing-away frame earns its price. StowAway's frame pivots fully to the side without removing the carrier, and Yakima's SwingBase swings loaded in one motion.
- Fit specifics. The Goplus box states compatibility with 17 to 22.8 inch wide racks, crossbars under 3.1 inches wide and under 1.0 inch thick. That is the kind of number that turns a great box into a returned box. Measure before ordering.
The Picks
StowAway Max Hitch Cargo Box with Swingaway Frame | Ivory — Best for hauling the most enclosed volume on a hitch
Look at the two headline numbers together: 16 cubic feet of enclosed cargo space and a 200 lb load rating. Among the products on this page, that is the largest published enclosed volume and the highest published load rating. For a deer camp run — decoys, blinds, a duffel of layers, boots — that combination is the most permissive here on paper. Check Price on Amazon
The Swingaway frame is the feature that separates this from a plain hitch box. The manufacturer says the frame pivots completely to the side, giving unobstructed access to rear doors, hatch or tailgate without removing the carrier. If you hunt out of the back of an SUV and need the hatch open constantly, that matters more than an extra cubic foot.
Construction is described as molded from the same impact-resistant polymer used in whitewater kayaks, and the security package includes a keyed locking latch, hitch tightener, reflectors and LED taillights. The taillights are a genuinely practical inclusion for a box that blocks your factory lights on a pre-dawn drive. The listing also states it is assembled in the Pacific Northwest using American-made components.
Pros
- 16 cubic feet enclosed, the largest volume figure published among these picks
- 200 lb load rating, the highest carrier load figure here
- Swingaway frame pivots fully aside for tailgate and hatch access
- Keyed locking latch, hitch tightener, reflectors and LED taillights included
- The supplied listing information does not state the carrier's own weight, which counts against your hitch tongue weight, so confirm that figure and your hitch rating with the manufacturer before loading to 200 lbs
- No hitch receiver size is stated in the supplied listing information; verify fit for your vehicle
- Ivory is the only color shown in this record
Verdict: The pick for the hunter who wants maximum enclosed hitch volume and constant rear-hatch access, provided your hitch and vehicle limits accommodate the loaded carrier.
Yakima EXO SwingBase Hitch Base Rack with GearLocker Cargo Box, Black — Best for a modular swing-away hitch platform
Yakima's approach is a system, not a single box. The EXO SwingBase converts a 2-inch hitch into a foldable cargo platform, and this package includes the 10 cubic foot GearLocker. The GearLocker is rated to support up to 100 lbs on the SwingBase. Check Price on Amazon
That 100 lb figure is the lowest published carrier load rating in this roundup, and it is worth sitting with. Ten cubic feet fills up fast with bulky-but-light hunting gear — sleeping bags, layers, blind fabric, waders — and stays under 100 lbs easily. Fill it with ammo cans, tools and wet canvas and you will hit the limit before the box is full. Pack by weight, not by eye.
Where the EXO earns its keep is access and expandability. The SwingBase swings loaded away from the vehicle in one motion, so you reach the trunk without unloading. Accessories attach through the EXO Cleat system with locking SpeedKnobs, and HitchLock plus SKS locks are included to help secure gear during travel. Installation is described as tool-free.
Pros
- 10 cu ft GearLocker included with the SwingBase platform
- Swings away loaded in one motion for rear access
- HitchLock and SKS locks included
- EXO Cleat system with locking SpeedKnobs allows tool-free accessory attachment
- 100 lb support on the SwingBase is the lowest published carrier load rating among these picks
- Requires a 2-inch hitch receiver
- The supplied listing information does not state the assembly's own weight; confirm it against your hitch tongue weight rating
Verdict: Best for the hunter or angler with a 2-inch hitch who wants a lockable swing-away platform they can build on, and whose loads stay comfortably inside the 100 lb GearLocker figure.
Goplus Rooftop Cargo Carrier Hard Shell — Best for roof-mounted bulk when the hitch is taken
If your hitch is holding a boat trailer, the roof is your remaining real estate. This Goplus box publishes 14 cubic feet of capacity and a 165 lb load capacity, built from ABS and PC material. Check Price on Amazon
Dual-side opening is the standout usability feature for fishing trips, where you park on whichever side the ramp gives you. The listing explicitly warns not to open both sides at once, and notes the key can only be removed after the cover is closed and locked — which is actually a useful anti-forgetfulness design. A double-lock design secures the lid, metal lid stiffeners at the bottom are described as adding stability, and four quick-connect anchors handle mounting.
Fit is where you need to be careful. Goplus states compatibility with 17 to 22.8 inch wide racks, with crossbar width under 3.1 inches and thickness under 1.0 inch, and lists suitability for round, square, factory and most aerodynamic bars. Measure your bar spread and bar cross-section before ordering. The listing calls the shape aerodynamic with reduced drag and less noise; that is the manufacturer's characterization, and the supplied information does not state any measured drag or noise figure.
Pros
- 14 cubic feet of capacity, the largest roof-box volume published here
- 165 lb load capacity stated by the manufacturer
- Dual-side opening for loading from either side of the vehicle
- Double-lock design and metal lid stiffeners
- Four quick-connect anchors for installation
- Requires an existing crossbar rack within a specific window: 17 to 22.8 inch spread, bars under 3.1 inches wide and under 1.0 inch thick
- Both side openings must not be opened at the same time
- Roof loading means lifting heavy, wet gear overhead, and your rack's own load limit may be lower than the box's 165 lb figure
Verdict: Buy this if you already run crossbars inside the stated compatibility window and need substantial roof volume for bulky season gear.
Let's Go Aero GearSpace Slideout Hitch Cargo Carrier -Dark Gray — Best for buyers who want a slideout hitch enclosure
Be straight about this one: the supplied listing information for the GearSpace is thin. What it does state is a 150 Pounds figure and dimensions of 68 x 33 x 40 inches, categorized as a vehicle cargo carrier. Check Price on Amazon
Those dimensions are external, not confirmed internal space, so do not plan a rod-tube or crossbow layout around 68 inches of usable length. The supplied record also does not clarify whether the 150 Pounds value is the carrier's load rating or a shipping weight, which is exactly the sort of ambiguity you resolve with the manufacturer rather than by guessing. Never substitute one for the other when you are calculating tongue weight.
What the name promises — a slideout mechanism for rear access — is the same problem the StowAway Swingaway and Yakima SwingBase solve with published, detailed descriptions. The supplied listing information here does not state locking hardware, seal type, material, or hitch receiver size. If you want this carrier specifically, confirm all of that with Let's Go Aero before you commit.
Pros
- Enclosed hitch-mounted cargo carrier format, which keeps loading at waist height
- Published external dimensions of 68 x 33 x 40 inches give a clear idea of the road footprint
- The supplied listing information does not state whether 150 Pounds is a load rating or a product weight
- No lock, seal, material or hitch size is stated in the supplied listing information
- Dimensions given are external only; usable interior length is not stated
Verdict: Worth a look only if you have already confirmed its load rating, locking and hitch fit directly with the manufacturer — the supplied listing leaves too much unstated to recommend it blind.
SRX-175 Overlanding Cargo Case – 175L Waterproof Storage Box for Camping — Best for deep sealed storage of wet, dirty gear
This is the case I would point a duck hunter toward first among the sealed boxes. It publishes 175L of capacity in external dimensions of 47.2" x 18.4" x 17.9", with internal dimensions of 42.5" x 12.7" x 13.2" and a weight of 38.5 lbs. Check Price on Amazon
Run the arithmetic on those numbers and the value becomes obvious: 13.2 inches of internal depth versus the 8.5 inches in the 110L version of the same case, for one extra pound of stated weight (38.5 lbs versus 37.5 lbs). Same external length and width, same 42.5" x 12.7" internal footprint — you are buying 4.7 more inches of vertical room for essentially no additional mass. If you stack waders, layers and a game bag, depth is what you run out of.
The sealing and organization package is the other reason it suits season hauls. Waterproof protection comes from a rubber gasket, there is a built-in drain for cleaning out fish slime and mud, two internal trays plus a divider handle organization, a gas strut lid opens hands-free, and lockable latches secure the contents. The case is described as stackable. Dual bottle openers are listed too, which is a nice touch for camp even if it is not why you buy it. Note that the 42.5 inch internal length will not swallow a full-length rod; the reflective stickers are described as optional.
Pros
- 175L capacity with 13.2 inches of internal depth, the deepest sealed case here
- Only 1 lb heavier than the 110L version at 38.5 lbs, for 4.7 inches more internal depth
- Rubber gasket waterproof protection plus a built-in drain for cleaning
- Two internal trays and a divider for organization
- Gas strut lid and lockable latches
- 42.5 inch internal length is too short for full-length rods; measure your longest item
- At 38.5 lbs empty, the case's own weight counts against whatever rack or bed limit you mount it under
- Reflective stickers are optional rather than included as standard
- The supplied listing information does not state an IP rating or any independent waterproof certification
Verdict: The best-value sealed case here for hunters hauling bulky wet gear, because the extra depth costs almost nothing in weight.
SRX-110 Overlanding Cargo Case – 110L Waterproof Storage Box for Camping — Best for a lower-profile sealed case (Gray)
Same footprint, shallower box. The 110L Gray case publishes external dimensions of 47.2" x 18.4" x 13.2", internal dimensions of 42.5" x 12.7" x 8.5", and a weight of 37.5 lbs. Check Price on Amazon
The reason to choose this over the 175L is clearance, not capacity. Its 13.2 inch external height is 4.7 inches lower than the 175L's 17.9 inches, which matters if it lives under a tonneau cover, under a rooftop tent platform, or anywhere your garage door has an opinion. For rifle cases, ammo, tools and dry bags laid flat, 8.5 inches of internal depth is plenty.
The feature set matches its bigger sibling: rubber gasket waterproof protection, lockable latches, a gas strut lid, a built-in drain, a stackable design, one internal tray and divider, dual bottle openers, and optional reflective stickers. Note the organization difference — one tray here versus two in the 175L.
Pros
- 13.2 inch external height fits tighter clearances than the 175L's 17.9 inches
- Rubber gasket sealing, built-in drain and lockable latches
- Gas strut lid opens hands-free
- Stackable, with an internal tray and divider
- 8.5 inches of internal depth limits bulky items like stacked waders
- Only 1 lb lighter than the 175L at 37.5 lbs, so you give up 65L of capacity for almost no weight savings
- One internal tray versus two in the 175L version
Verdict: Choose this over the 175L only when vertical clearance is the constraint — otherwise the deeper case is the better buy per pound.
SRX-110 Overlanding Cargo Case – 110L Waterproof Storage Box for Camping (Green) — Best for a low-visibility color in the blind
Mechanically identical to the Gray 110L: external 47.2" x 18.4" x 13.2", internal 42.5" x 12.7" x 8.5", 37.5 lbs, 110L capacity, rubber gasket waterproofing, lockable latches, gas strut lid, built-in drain, one internal tray and divider, stackable design, dual bottle openers, and optional reflective stickers. Check Price on Amazon
The only difference in the supplied records is color. For hunting that is not a trivial distinction — a green case parked near a blind or a field edge reads as less conspicuous than gray, and the reflective stickers being optional means you can leave them off for concealment or add them on for roadside visibility. That choice is genuinely useful: visibility when you want it, subtlety when you do not.
Everything I said about the Gray version's depth applies here. 8.5 inches suits flat-packed gear, not stacked bulk.
Pros
- Green finish for a less conspicuous look in field settings
- Optional reflective stickers let you choose visibility or concealment
- Rubber gasket sealing with a built-in drain
- Lockable latches and a gas strut lid
- 8.5 inches of internal depth is shallow for stacked bulky gear
- Same 37.5 lb empty weight as the deeper 175L is only 1 lb lighter, making the capacity tradeoff unflattering
- The supplied listing information does not state a camouflage pattern or any specific concealment rating — it is simply a green case
Verdict: The one to pick if you want the shallow sealed case in a color that blends into a field edge rather than announcing itself.
ROAM Rugged Cargo Box - Heavy Duty Roof-Mounted Storage Case — Best for a mount-anywhere case with MOLLE expansion
ROAM's pitch is flexibility across mounting locations. The listing says that depending on size, it can be mounted using Rugged Mounts, Rigid Mounts or Cinch Straps, on roof racks, truck beds or other setups. Threaded inserts allow lid organizers or MOLLE panels to be added. Check Price on Amazon
For hunters, the threaded inserts are the interesting part. Mounting a MOLLE panel to the lid means calls, knives, and small tools live on the outside of the box instead of buried under a tarp inside it. That is an organizational advantage the sealed SRX cases address with trays instead.
The weather and security story is a gasket-and-latch design: ROAM describes a military-grade weatherproof seal against rain, dust and extreme conditions, lid lift gas struts for hands-free access, tie-down channels for securing the case during travel, and lockable latches. Read "military-grade" as the manufacturer's phrasing, not a verified standard — the supplied listing does not cite any specification number or independent certification behind it.
Pros
- Multiple mounting paths stated: Rugged Mounts, Rigid Mounts or Cinch Straps, for roof racks or truck beds
- Threaded inserts accept lid organizers and MOLLE panels
- Gas strut lid for hands-free access
- Tie-down channels and lockable latches
- The supplied listing information does not state this box's dimensions, capacity in liters or cubic feet, or weight — and mounting hardware varies by size, so you must confirm the specific size and its correct mount before ordering
- "Military-grade weatherproof seal" is a manufacturer description with no cited standard or certification in the supplied listing
- Mounts are size-dependent and the supplied record does not confirm what is included in the box
Verdict: Good for the overlanding hunter who wants one case that can move between bed and roof and carry external MOLLE gear — but only after you confirm the exact size, capacity and required mounting kit with ROAM.
KEMIMOTO 69 QT UTV Rear Storage Cargo Box Replace # 2881193 — Best for Polaris RZR bed storage on the listed models
This is the only UTV-specific box here, and it answers a real problem: side-by-sides have almost no secure, sealed storage from the factory. The KEMIMOTO box offers 69 quarts of capacity in the RZR bed. Check Price on Amazon
Fit is model-specific, and the listing enumerates a long list of Polaris RZR models — including RZR XP 4 1000, various RZR Trail S and Trail S Sport variants, Turbo S and Turbo S 4, and RZR 900 across a range of years. Check your exact model and year against that list; a UTV bed box that does not match the mounting holes is useless. The listing says quick-mount pegs allow installation and removal without tools or extra hardware, and setup takes less than 5 minutes, with two locks and attachments adjusted to your preferred tightness.
Sealing gets specific attention, which matters for a box riding through mud and creek crossings. KEMIMOTO describes a weather-tight lid, a grooved surface to keep water and mud from accumulating, an integrated water seal ring, and a rubber strip for dust resistance. The material is described as heavy duty hard polyethylene, and the listing states it can bear 100kg-plus of weight. The lid's opening angle is limited by design, which the manufacturer frames as keeping the box in place.
Pros
- 69 quarts of sealed bed storage for a vehicle class that ships with almost none
- Tool-free quick-mount pegs, with installation described as under 5 minutes
- Weather-tight lid, integrated water seal ring and dust-resistant rubber strip
- Heavy duty hard polyethylene construction stated to bear 100kg-plus
- Two locks included in the attachment setup
- Fits only the Polaris RZR models and years listed; confirm your exact model before ordering
- The lid's opening angle is limited by design, which restricts how wide you can swing it for loading
- The 100kg-plus figure is a load-bearing claim from the manufacturer with no stated test standard, and the supplied listing does not state whether it refers to contents or lid loading — do not treat it as a standing or seating rating
Verdict: The pick for RZR owners on the listed models who want sealed, lockable bed storage installed without tools.
INNO GEAR CARRY Matte Black, Cargo Box, 6 cu ft with Large Casters and Carry Handle — Best for rolling gear from the garage to the roof
This is the cleverest idea on the page and also the smallest box: 6 cubic feet, with large casters and a carry handle, made in Japan. Check Price on Amazon
Think about the workflow problem it solves. With most roof boxes you carry armloads of gear up a ladder or over a fender. This one rolls. The manufacturer's framing is that you take all your gear in the box to your destination, which for a pre-dawn departure means packing the box in your garage the night before and wheeling it out. Construction is described as durable ABS plastic with protected large rubber corners, and inside straps are included to keep contents from shifting.
Two caveats are important and both come straight from the listing. First, it is installable from one side and locks with levers on a Quick base that is sold separately — so budget for the base, not just the box. Second, 6 cubic feet is the smallest published volume in this roundup, less than half the Goplus box's 14 cubic feet. This is a supplementary box for a weekend's clothes, boots and soft gear, not a haul-everything solution.
Pros
- Casters and a carry handle make ground transport possible without carrying the loaded box
- Inside straps included to secure contents
- ABS plastic shell with protected large rubber corners
- Single-side installation with lever locking on the Quick base
- The Quick base required for mounting is sold separately
- 6 cu ft is the smallest published capacity here, well under the Goplus box's 14 cu ft
- The supplied listing information does not state a load rating, weight or waterproof rating for this box
Verdict: For the solo hunter or angler who loads alone and wants to roll a packed box out of the garage — as long as you account for the separate Quick base and the modest 6 cubic feet.
Spec Comparison
| Product | Mount Type | Published Capacity | Published Load Figure | Price |
|---|---|---|---|---|
| StowAway Max Hitch Cargo Box with Swingaway Frame | Hitch, swingaway | 16 cu ft | 200 lb load rating | |
| Goplus Rooftop Cargo Carrier Hard Shell | Roof crossbars, 17–22.8 in | 14 cu ft | 165 lbs | |
| Yakima EXO SwingBase Hitch Base Rack with GearLocker Cargo Box | 2-inch hitch, swing-away | 10 cu ft | Up to 100 lbs on SwingBase | |
| INNO GEAR CARRY Matte Black, Cargo Box | Roof, Quick base sold separately | 6 cu ft | Not stated in supplied listing | |
| SRX-175 Overlanding Cargo Case – 175L Waterproof Storage Box for Camping | Bed or roof, case | 175L | Not stated in supplied listing | |
| SRX-110 Overlanding Cargo Case – 110L Waterproof Storage Box for Camping | Bed or roof, case | 110L | Not stated in supplied listing | |
| KEMIMOTO 69 QT UTV Rear Storage Cargo Box Replace # 2881193 | Polaris RZR bed, listed models | 69 QT | 100kg-plus stated | |
| Let's Go Aero GearSpace Slideout Hitch Cargo Carrier | Hitch, slideout | Not stated in supplied listing | 150 Pounds, role unclear |
Safety and Load Limits You Should Not Skip
A carrier rating is a ceiling for the carrier, not permission from your vehicle. Every applicable limit stacks: your hitch's tongue weight rating, your roof rack's dynamic load limit, your vehicle's payload, and the carrier's own rating. The empty carrier counts toward every one of those.
Never drive with a lid unlatched or a carrier not fully secured, and do not improvise mounting hardware. Goplus specifies not to open both side openings at the same time and that the key releases only after the lid is closed and locked — follow instructions like that literally. If a latch, seal or mount does not behave as described, contact the manufacturer rather than modifying it.
For general product safety recalls and consumer protection resources, the CPSC and USA.gov's consumer protection pages are the appropriate references.
How We Research
This website does not perform hands-on or laboratory testing, and this page is no exception. Every capacity, dimension, load figure, material description and compatibility note above was pulled from Amazon Creators API verified product records and the products' own listing feature bullets, retrieved on 2026-09-11.
What we do is read those published specifications closely and compare them like for like — volume against volume, stated load rating against stated load rating, internal dimension against internal dimension — then say plainly which buyer each spec set fits. Where a listing does not publish a figure, we say so rather than estimating. Missing data here means the supplied listing did not state it, not that the manufacturer never publishes it elsewhere.
Final Verdict
If you want one recommendation: the StowAway Max Hitch Cargo Box with Swingaway Frame | Ivory is the strongest spec sheet on this page for hunting season hauls, because 16 cubic feet of enclosed space with a 200 lb load rating are the largest volume and highest load figures published among these products, and the Swingaway frame pivots fully aside so your tailgate stays usable while loaded. Confirm your hitch's tongue weight rating and the carrier's own weight with the manufacturer first.
By use case:
- Biggest enclosed hitch haul: StowAway Max Hitch Cargo Box with Swingaway Frame | Ivory — 16 cu ft, 200 lb load rating, keyed locking latch and LED taillights.
- Best sealed case for wet gear: SRX-175 Overlanding Cargo Case — 175L with 13.2 inches internal depth at 38.5 lbs, rubber gasket sealing, built-in drain, two trays and lockable latches.
- Roof storage when the hitch is towing: Goplus Rooftop Cargo Carrier Hard Shell — 14 cu ft, 165 lbs, dual-side opening, for racks in the 17 to 22.8 inch window.
- Modular swing-away system: Yakima EXO SwingBase with GearLocker — 10 cu ft, up to 100 lbs, HitchLock and SKS locks included, tool-free EXO Cleat accessories.
- Side-by-side storage: KEMIMOTO 69 QT UTV Rear Storage Cargo Box — 69 quarts, weather-tight lid with an integrated seal ring, under 5 minute tool-free install on the listed Polaris RZR models.
- Low-clearance sealed case: SRX-110 in Gray or Green — 13.2 inch external height, 110L, gas strut lid.
- Loading alone: INNO GEAR CARRY — 6 cu ft with casters and a carry handle, Quick base sold separately.
Frequently Asked Questions
Hitch-mounted boxes load at waist height and keep weight low, which matters when you are lifting soaked waders or heavy duffels. Roof boxes free the hitch for a trailer. On capacity, the hitch-mounted StowAway Max publishes 16 cubic feet against the roof-mounted Goplus box's 14 cubic feet, so the hitch option is larger among these two, but your hitch and roof rack limits ultimately decide.
How much weight can these cargo boxes actually hold?
The published figures vary widely: StowAway lists a 200 lb load rating, Goplus lists 165 lbs, the Yakima GearLocker is listed as supporting up to 100 lbs on the SwingBase, and the Let's Go Aero GearSpace listing shows 150 Pounds without clarifying whether that is load or product weight. Those are carrier ratings only. Your vehicle's hitch tongue weight, roof rack limit and payload also apply, and the empty carrier's weight counts against them.
Which of these is genuinely waterproof for wet fishing gear?
The SRX cases publish waterproof protection via a rubber gasket plus a built-in drain for cleaning. The KEMIMOTO UTV box describes a weather-tight lid with an integrated water seal ring and a dust-resistant rubber strip. ROAM describes a military-grade weatherproof seal. None of the supplied listings states an IP rating or an independent waterproof certification, so treat all of these as manufacturer claims rather than verified ratings.
Will a cargo box fit a rifle case or fishing rods?
Check internal length, not external. The SRX-110 and SRX-175 both publish an internal length of 42.5 inches, which is too short for full-length rods and may be too short for longer rifle cases. The Let's Go Aero GearSpace publishes external dimensions of 68 x 33 x 40 inches, but the supplied listing does not state usable internal length, so confirm that with the manufacturer.
Are these cargo boxes lockable?
Several are. StowAway lists a keyed locking latch, Goplus lists a double-lock design, the Yakima EXO package includes HitchLock and SKS locks, and the SRX and ROAM cases list lockable latches. The KEMIMOTO UTV box's setup includes assembling two locks. None of the supplied listings states a security or theft-resistance rating, so treat locks as deterrents.
Do I need a special rack for a roof cargo box?
Yes, and the requirements are specific. The Goplus box states compatibility with racks 17 to 22.8 inches wide, with crossbars under 3.1 inches wide and under 1.0 inch thick, and lists round, square, factory and most aerodynamic bars as suitable. The INNO GEAR CARRY installs and locks with levers on a Quick base that is sold separately. Measure your bars before ordering either.
Which cargo box works for a UTV rather than a truck or SUV?
The KEMIMOTO 69 QT UTV Rear Storage Cargo Box is the UTV-specific option here, with a listing that enumerates compatible Polaris RZR models including RZR XP 4 1000, RZR Trail S variants, Turbo S and Turbo S 4, and RZR 900 across various years. Match your exact model and year to that list. The ROAM case is also described as mountable in truck beds and on roof racks depending on size and mount choice.
Sources & Methodology
Nobody at this website put a wrench to any of these carriers, mounted one to a hitch, or filled one with wet decoys — there is no lab here and no test fleet, and we say that up front rather than burying it. The comparisons above come from reading Amazon Creators API verified product records and each product's own listing feature bullets, retrieved 2026-09-11, and doing the arithmetic those bullets allow: 175L against 110L at a one-pound weight difference, 16 cubic feet against 14 and 10 and 6, 200 lb against 165 against 100.
That kind of reading is genuinely decisive in this category, because cargo storage is sold on numbers — capacity, load rating, internal dimensions, crossbar compatibility — and those numbers are published. What it cannot tell you is how a latch feels after two winters or whether a gasket holds at highway speed in sleet. For those, confirm fit and securement with the manufacturer for your exact vehicle before you load anything and drive.