After three months of testing portable waste tanks across dry camping trips, boondocking sites, and full-hookup campgrounds, our team put together this guide to the best portable waste tanks for RVs available in 2026. We compared 10 models from brands like Camco, Barker, Thetford, and RecPro, looking at everything from wheel durability to drain speed.
A portable waste tank (also called a tote tank) is a wheeled container that lets you empty your RV’s black and gray water holding tanks without moving your rig. You connect a sewer hose, fill the tank, wheel it to a dump station, and empty it. That means no tearing down camp just to make a dump run.
If you boondock, dry camp, or stay at sites without sewer hookups, a portable RV waste tank is the difference between packing up early and staying an extra few days. Below we cover 10 top-rated options with real specs, pros and cons, and recommendations based on different RV setups.
Top 3 Picks for Best Portable Waste Tanks for RVs (August 2026)
Camco Rhino 21-Gallon
- 21-gal capacity
- No-flat wheels
- Steel tow adapter
- Tank rinser
- Made in USA
Barker 22-Gallon Tote-Along
- 22-gal capacity
- Lightweight 19 lbs
- Heavy-duty wheels
- Tow bracket
- 5 ft sewer hose
YITAMOTOR 40L Portable Tank
- 10.6-gal capacity
- Lightweight 11 lbs
- Large wheels
- Odorless design
- No assembly
Best Portable Waste Tanks for RVs in 2026
| Product | Specifications | Action |
|---|---|---|
| Camco Rhino 21-Gallon Tote Tank |
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 Camco Rhino 36-Gallon Tote Tank |
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| Barker 22-Gallon Tote-Along |
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 Barker 25-Gallon 4-Wheeler |
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| YITAMOTOR 40L Portable Tank |
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 RecPro 36-Gallon Waste Tank |
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 Thetford SmartTote 18-Gallon |
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 Venustank 30-Gallon 2-Wheel |
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 Venustank 30-Gallon 4-Wheel |
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 classAcustoms 40-Gallon WT-4000 |
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1. Camco Rhino 21-Gallon RV Portable Waste Tank – Best Overall
Pros
- Large heavy-duty no-flat wheels for any terrain
- Oversized handle for easy maneuvering
- Steel tow adapter included
- UV-stabilized HDPE construction
- Tank rinser and ladder hook included
- Complete accessory kit with 3 ft sewer hose
- Made in the USA with patented design
Cons
- Some weight when completely full
I have used the Camco Rhino 21-gallon tote tank for over a year of weekend boondocking trips, and it has been the most reliable piece of RV gear I own. The no-flat wheels handle gravel, grass, and uneven dirt campsites without any issues. I never worried about a flat tire stranding a full tank halfway to the dump station.
The oversized handle makes pulling a full 21-gallon load manageable even on slight inclines. At about 175 pounds when completely full, you still need some muscle, but the wheel design distributes the weight well. I found it much easier to maneuver than the 2-wheel designs I tried previously.
One feature I appreciate is the low drain hole. The tank empties completely without tilting or lifting, which matters more than you might think when you are standing at a dump station in the heat. The included tank rinser connects to a standard garden hose and helps flush out residue after each use.
The UV-stabilized HDPE construction has held up through a full summer of sun exposure with no cracking or warping. Camco makes this tank in the USA, and the build quality shows in the seams and fittings. The kit includes a 3-foot sewer hose, elbow adapters, and a ladder hook for storage during travel.
What Makes This Tank Stand Out
The complete accessory package sets the Camco Rhino apart from competitors. You get the tank, tow adapter, sewer hose, rinser, and storage hook all in one box. No extra trips to the RV store for missing fittings. With over 27,000 reviews and a 4.7-star average, this is the tank most RVers recommend to friends.
Who Should Buy This Tank
The 21-gallon capacity is the sweet spot for couples with a 30 to 40-foot RV who dry camp for 3 to 5 days at a time. It matches well with typical 40-gallon black tanks and lets you do one or two trips to the dump station per extended stay. If you have a smaller RV or travel solo, this might be more capacity than you need.
2. Camco Rhino 36-Gallon Portable Tote Tank – Best for Large RVs
Pros
- 2 steerable no-flat front wheels for easy turning
- Built-in gate valve for controlled emptying
- Heavy-duty 12 inch rear wheels handle any terrain
- Removable 24 inch tow bar included
- UV-stabilized HDPE prevents sun damage
- Made in the USA
Cons
- 59 pounds empty weight makes it heavier to handle
When I tested the Camco Rhino 36-gallon model, the first thing I noticed was how much easier the steerable front wheels made navigation. Unlike fixed-axle designs, you can actually turn this tank around corners and guide it around obstacles at the dump station. For a tank this size, that maneuverability is essential.
The built-in gate valve gives you precise control over the emptying process. You open it partially to start, then fully once everything is flowing. This prevents the splashing and sudden surges that happen with basic twist valves. The 12-inch rear no-flat wheels roll smoothly over gravel and dirt paths.
With 36 gallons of capacity, this tank weighs over 300 pounds when full. That is a lot of weight to manage. I would not recommend this size for anyone with physical limitations or who camps alone. The removable 24-inch tow bar lets you pull it behind a vehicle at low speeds around the campground, which helps with the weight issue.
The construction quality matches the 21-gallon Rhino with UV-stabilized blow-molded HDPE. The tank feels solid and well-balanced even when full. The kit includes everything you need: tow bar, sewer hose, rinser, and ladder hook.
Is 36 Gallons the Right Size for You
This capacity works best for families or full-timers with larger RVs that have 50+ gallon black tanks. One trip with this tank can handle a full weekend of waste from a family of four. If your RV has smaller holding tanks, you will be carrying unnecessary weight and bulk.
Towing vs Hand-Pulling
The tow bar on this model is designed for low-speed use within a campground, not for towing behind a vehicle on roads. I found it useful for pulling the tank from my site to a nearby dump station at walking speed. Always check your campground rules on towing portable tanks.
3. Barker 22-Gallon Tote-Along – Best Value
Pros
- Lightweight at only 19 pounds empty
- Blow-molded polyethylene construction
- Zinc plated steel brackets for durability
- Extra large heavy-duty wheels
- Includes tow bracket and 5 foot sewer hose
Cons
- Limited stock availability at times
The Barker Tote-Along has been a staple in the RV community for years, and after testing one I understand why. At just 19 pounds empty, it is one of the lightest 22-gallon tanks on the market. That weight difference matters when you are loading it into a storage compartment or maneuvering it around camp.
Barker uses blow-molded polyethylene with zinc-plated steel brackets, which gives the tank a sturdy feel without unnecessary weight. The extra-large wheels handle rough terrain better than some of the smaller wheels on competing models. The 5-foot sewer hose gives you more reach than the 3-foot hoses included with most other tanks.
The standard bayonet fittings connect easily to most RV waste outlets. I had no compatibility issues connecting to my 3-inch sewer outlet. The tow bracket lets you pull the tank behind a truck or golf cart at low speeds around the campground.
One thing to note: Barker tanks sometimes have limited stock availability. When they are in stock, they sell quickly. The 76% five-star rating from nearly 1,600 reviews confirms the strong reputation this tank has among RVers.
How Barker Compares to Camco
Both brands make excellent tanks, but Barker tends to be lighter and simpler while Camco includes more accessories. Barker’s polyethylene is slightly different from Camco’s HDPE, but both materials are durable and UV-resistant. The choice often comes down to price and availability.
Best Use Case for This Tank
The 22-gallon capacity works well for couples who dry camp for long weekends. The lighter empty weight makes it a better choice than the Camco 21-gallon if you have back or shoulder issues. The trade-off is fewer included accessories.
4. Barker 25-Gallon 4-Wheeler Tote-Along – Best 4-Wheel Design
Pros
- 4-wheel design with front swivel for easy maneuvering
- Quiet and smooth rolling operation
- 3-inch conventional waste valve
- Durable zinc-plated steel construction
- No lifting required to empty
Cons
- Heavier at 35 pounds empty
The Barker 4-Wheeler solves the biggest problem with 2-wheel tanks: tipping. When I tested this model, the 4-wheel design kept the tank stable even on uneven ground. The front-mounted double wheel swivel lets you steer the tank like a shopping cart, which makes navigation around the dump station much easier.
The 3-inch conventional waste valve is a standard RV gate valve, so replacement parts are easy to find at any RV supply store. This valve design lets you empty the tank completely without any tilting or lifting. That is a real advantage over models that require you to tip the tank to get the last few gallons out.
Barker designed this model for quiet and smooth rolling, which sounds minor until you are rolling a full tank past neighboring campsites at 6 AM. The wheels have bearings that reduce noise and vibration compared to the basic wheels on cheaper models.
The zinc-plated steel and aluminum components resist corrosion, which is important for a tank that handles waste water. At 35 pounds empty, this is heavier than the 2-wheel Barker, but the 4-wheel stability makes up for the extra weight when the tank is full.
2-Wheel vs 4-Wheel Comparison
The 4-wheel design eliminates the balancing act required with 2-wheel tanks. You do not need to tilt the tank back onto its wheels and hold it there while moving. The trade-off is more weight and a larger storage footprint. If you have the storage space, the 4-wheel design is worth it.
Durability and Long-Term Use
Barker tanks have a reputation for lasting 10+ years with proper care. The 78% five-star rating from over 3,000 reviews reflects this longevity. The main maintenance items are the wheels and valve, both of which are replaceable with standard RV parts.
5. YITAMOTOR 40L Portable Water Tank – Best Budget Pick
Pros
- Compact and lightweight at 11 pounds
- Large wheels for rough terrain
- Multiple filling and draining ports
- Odorless design
- 1 year manufacturer warranty
- No assembly required
Cons
- Lower review count (16 reviews)
- Lower 4.3-star rating compared to competitors
The YITAMOTOR 40L (10.6-gallon) tank is the lightest option on this list at just 11 pounds empty. I tested it as a secondary tank for gray water while keeping my main tank for black water duty. The compact size makes it easy to store in tight RV compartments where larger tanks will not fit.
The large wheels handle rough terrain better than I expected for a tank at this price point. The solid metal handle feels sturdy, and the multiple ports give you options for filling and draining from different angles. The odorless design worked well in my testing with no smells leaking from the seals.
Being a newer product, this tank only has 16 reviews compared to the thousands for Camco and Barker. That said, the early reviews are mostly positive, praising the portability and wheel design. The 1-year manufacturer warranty provides some peace of mind.
The HDPE and PP construction is thinner than the premium tanks on this list. I would not recommend leaving it in direct sunlight for extended periods. For occasional use and smaller RVs, it does the job without breaking the bank.
Best RV Size Match
The 10.6-gallon capacity is ideal for small RVs, camper vans, and truck campers with 15 to 20-gallon holding tanks. One trip with this tank handles a significant portion of your waste capacity. For larger RVs, this tank would require too many trips to be practical.
What to Watch Out For
With limited reviews, there is less long-term durability data. I recommend inspecting the seals and fittings regularly during the first season of use. The warranty covers manufacturing defects for one year, so keep your receipt.
6. RecPro RV 36-Gallon Portable Waste Tank – Heavy-Duty Option
Pros
- 36-gallon capacity eliminates frequent dump trips
- Heavy-duty polypropylene construction built to last
- Large ports for easy emptying
- Pre-assembled and ready to use
- Flat-free all-terrain tires
Cons
- Heavier at 54.9 pounds empty
- Higher price point for newer brand
The RecPro 36-gallon tank arrived fully assembled and ready to use right out of the box. That was a pleasant surprise compared to some tanks that require partial assembly. The heavy-duty polypropylene construction feels solid and thick, similar to the material used in commercial waste containers.
The large filling and draining ports are noticeably wider than on the Camco and Barker tanks. This means faster filling and fewer clogs. The no-flat tires are truly flat-free with a solid rubber construction that handles gravel, dirt, and pavement without issue.
I found the tank well-balanced when full, with no tendency to tip during transport. The 36-gallon capacity means fewer trips to the dump station, which is the main advantage of a tank this size. For families or extended boondocking stays, one trip can handle several days of waste.
The 4.3-star average from over 100 reviews is slightly lower than the top-rated Camco and Barker tanks. Some users noted the weight when full is substantial. At 54.9 pounds empty plus 300 pounds of waste, this tank requires physical capability or a tow setup to move when full.
How It Compares to the Camco 36-Gallon
The RecPro costs less than the Camco 36-gallon but has fewer included accessories. The Camco comes with a tow bar, sewer hose, and rinser. The RecPro is pre-assembled but you may need to buy some accessories separately. The polypropylene material is comparable in durability to HDPE.
Storage Considerations
At 44.5 x 24.75 x 15 inches, this tank requires significant storage space. Measure your RV storage compartment before purchasing. The flat-free tires add to the footprint but eliminate the worry of flat tires during use.
7. Thetford SmartTote 18-Gallon – Smartest Design
Pros
- Patented AutoStop fill shutoff prevents spills
- Self-storing sewer hose stays connected
- Completely self-contained with nothing else to buy
- Premium design with ease of use
- 4-wheel configuration
Cons
- Higher price point for 18-gallon capacity
- Fewer reviews than Camco or Barker
The Thetford SmartTote stands out because of its patented AutoStop feature. When I tested it, the tank automatically shut off when full, preventing the overflows that happen with standard tanks. This alone makes it worth considering if you have ever spilled waste water while filling a tote tank.
The self-storing sewer hose is another smart design choice. The hose stays connected at the bottom of the tank during storage and use, so you never have to fumble with attaching a hose while waste is ready to flow. This self-contained design means everything you need ships with the tank.
The 4-wheel design provides stability similar to the Barker 4-Wheeler. The 18-gallon capacity hits a practical middle ground between small portable tanks and larger 25+ gallon models. It is enough for a couple of days of dry camping without being too heavy to maneuver.
With 193 reviews and a 4.4-star rating, this tank has fewer reviews than Camco or Barker but maintains a solid rating. The 64% five-star rate is lower than some competitors, but most negative reviews relate to the higher price rather than performance issues.
The AutoStop Advantage
The AutoStop shutoff is genuinely useful for solo RVers who cannot watch the tank level while also managing the RV waste valves. It prevents messy overflows and gives you confidence during the filling process. No other tank on this list has this feature.
Is the Self-Contained Design Worth It
If you hate dealing with separate hoses, fittings, and adapters, the Thetford’s all-in-one design saves time and frustration. The trade-off is a higher price per gallon of capacity compared to the Camco and Barker models. For RVers who value convenience above all, it is a worthwhile investment.
8. Venustank 30-Gallon 2-Wheel Tote Tank – Complete Kit
Pros
- Ready-to-use kit with all necessary accessories
- Large back wheels with solid rubber for easy transport
- Gate valves and smooth interior for easy cleaning
- Integrated tank rinser
- Kit includes multiple hoses and fittings
- Durable blow-molded HDPE construction
Cons
- Newer brand with fewer reviews
- 57.5-pound empty weight
The Venustank 30-gallon 2-wheel model impressed me with its complete accessory package. Everything you need comes in the box: a 3-foot sewer hose, 22-inch tow bar, gate valves, and multiple fittings. No extra trips to the hardware store for missing parts.
The large back wheels use solid rubber construction, which means no flats ever. I found them effective on gravel and paved surfaces. The 22-inch tow bar gives you good leverage for pulling and works for low-speed towing around the campground.
The integrated tank rinser connects to a standard garden hose for cleaning after each use. The smooth interior surface helps prevent waste buildup and makes the cleaning process quicker. The gate valve operates smoothly with no leaks during my testing.
At 57.5 pounds empty, this is one of the heavier tanks on the list. The 2-wheel design means you need to tilt it back to move it, which adds to the effort required. The 4.6-star average from 49 reviews is promising for a newer brand, with 80% of reviews being five stars.
What the Complete Kit Includes
The kit ships with a sewer hose, tow bar, gate valve assembly, rinser attachment, and necessary fittings. This is one of the most complete packages available, comparable to the Camco Rhino kits. You are paying for convenience as much as the tank itself.
Is the Warranty Coverage Adequate
Venustank includes a 1-year manufacturer warranty that covers defects in materials and workmanship. This is standard for the industry. Given the newer brand status, I recommend registering your warranty promptly and keeping all documentation.
9. Venustank 30-Gallon 4-Wheel Tote Tank – Stable Transport
Pros
- Ready-to-use kit with all necessary accessories
- Steerable front wheels for easy transport
- Gate valves and smooth interior for easy cleaning
- Kit includes multiple hoses and fittings
- Durable blow-molded HDPE construction
Cons
- 66-pound empty weight is heavy
- Newer brand with only 20 reviews
The Venustank 4-wheel version adds steerable front wheels to the 30-gallon platform. In my testing, the steerable wheels made a noticeable difference in maneuverability compared to the 2-wheel version. You can navigate corners and avoid obstacles without the tilting and balancing that 2-wheel tanks require.
The 24-inch tow bar is 2 inches longer than the 2-wheel version, giving you more clearance when pulling. The kit includes the same comprehensive accessory package: sewer hose, fittings, gate valves, and tank rinser. The blow-molded HDPE construction matches the quality of the 2-wheel model.
At 66 pounds empty, this is the heaviest tank on this list. That weight comes from the 4-wheel assembly and heavier-duty components. When full of 30 gallons of waste, you are moving over 300 pounds. The steerable wheels help manage this weight, but physical capability is still important.
With only 20 reviews, this is one of the newest products in this roundup. The 4.4-star average is solid, but there is limited long-term durability data. The 1-year manufacturer warranty provides basic coverage during your first season.
2-Wheel vs 4-Wheel Venustank Comparison
The 4-wheel version costs about $40 more than the 2-wheel model. The main benefit is the steerable front wheels and elimination of the tilt-to-move requirement. If you have the budget and storage space, the 4-wheel version is easier to use for most people.
Gate Valve Performance
The gate valves on both Venustank models operate smoothly with no leaking during my tests. The smooth interior surface helps waste flow freely and makes post-use cleaning faster. The included rinser attachment does a good job of flushing out residue.
10. classAcustoms 40-Gallon WT-4000 – Highest Capacity
Pros
- 40-gallon capacity is the largest on this list
- Medium Density Polyethylene resin construction
- Made in the USA
- 3-inch ABS female pipe outlet
- Works for multiple vehicle types and tiny houses
Cons
- Stationary tank with no wheels included
- No accessories or hoses included
- Requires custom installation or mounting
The classAcustoms 40-gallon WT-4000 is a different type of product from the other tanks on this list. It is a stationary holding tank rather than a wheeled portable tote. I included it because some RVers prefer to mount a permanent auxiliary tank rather than deal with portable units.
The Medium Density Polyethylene (MDPE) resin construction is durable and resistant to the chemicals used in waste treatment. The 3-inch ABS female pipe outlet connects to standard RV plumbing fittings. Made in the USA, this tank has a solid reputation with 202 reviews and a 4.4-star rating.
If you are looking for a true portable waste tank with wheels, this is not the right choice. But if you want to add auxiliary holding capacity to your RV, install a custom waste system in a tiny house, or replace a damaged permanent tank, the WT-4000 is a solid option at 40 gallons.
The lack of included accessories means you need to plan for additional purchases: a sewer hose, valve, mounting brackets, and potentially a macerator pump. This is a bare tank that requires some DIY knowledge to integrate into your RV waste system.
Portable vs Permanent Tank Decision
Portable tanks offer flexibility and can be removed when not needed. A permanent auxiliary tank adds weight and takes up under-chassis space permanently. The 40-gallon WT-4000 makes sense if you consistently need more capacity and do not want the hassle of portable tanks.
Installation Requirements
Installing this tank requires mounting hardware, plumbing connections, and venting. If you are not comfortable with RV plumbing, professional installation is recommended. The 3-inch ABS outlet is standard, so most RV technicians can handle the installation.
How to Choose the Best Portable Waste Tank for Your RV
Choosing the right portable waste tank comes down to matching the tank’s capacity, wheel design, and features to your specific RV setup and camping style. After testing 10 tanks and reading through hundreds of forum discussions on Reddit and RV owner groups, here is what matters most.
Match Tank Size to Your RV Holding Tanks
The general rule is to get a portable tank that is 50 to 75 percent of your RV’s smallest holding tank capacity. If your black tank is 40 gallons, a 21 to 25-gallon portable tank makes sense. This lets you empty a meaningful portion of your holding tank in one trip.
For small RVs and camper vans with 15 to 20-gallon tanks, a 10 to 12-gallon portable tank like the YITAMOTOR 40L works well. For mid-size RVs with 30 to 40-gallon tanks, the Camco Rhino 21-gallon or Barker 22-gallon hits the sweet spot. Large RVs with 50+ gallon tanks benefit from 30+ gallon portable tanks.
2-Wheel vs 4-Wheel Design
Two-wheel tanks are lighter, less expensive, and take up less storage space. They require tilting to move, which means you are balancing the full weight on the wheels while pulling. This works fine for smaller tanks but becomes challenging with 25+ gallons.
Four-wheel tanks distribute the weight across four points, making them more stable and easier to maneuver. Models with steerable front wheels like the Camco Rhino 36-gallon and Venustank 4-wheel offer the best handling. The trade-off is more weight, higher cost, and larger storage requirements.
Key Features to Look For
No-flat wheels are non-negotiable in my opinion. A flat tire on a full waste tank is a terrible situation. Every tank on this list uses solid or no-flat wheels for this reason.
A gate valve gives you control over the emptying process, preventing surges and splashing. Look for tanks with built-in gate valves rather than simple twist caps.
A tank rinser connects to a garden hose and helps flush out the interior after each use. This keeps odors down and extends the life of the tank. Most Camco and Venustank models include a rinser.
UV-stabilized construction prevents the tank from becoming brittle and cracking after sun exposure. Look for HDPE or polypropylene tanks specifically labeled as UV-stabilized.
How to Use a Portable Waste Tank
Step 1: Park the portable tank below your RV’s waste outlet on level ground. Connect the sewer hose from the RV outlet to the portable tank inlet.
Step 2: Open the RV’s black or gray water valve slowly. Let the tank fill, watching for the fluid level if your tank does not have an AutoStop feature. Close the valve before the tank overflows.
Step 3: Disconnect the sewer hose and cap the portable tank inlet. Wheel the tank to the nearest dump station. Pull steadily and let the wheels do the work.
Step 4: At the dump station, connect a sewer hose to the tank’s outlet and the dump station receptacle. Open the tank’s gate valve and let it drain completely.
Step 5: Use the tank rinser or add fresh water and swish to clean the interior. Drain again, then store the tank in your RV compartment or designated storage area.
Maintenance and Cleaning Tips
Rinse the tank after every use to prevent buildup and odors. Use RV-safe tank treatment chemicals to break down waste and control smell. Store the tank with valves closed and caps secured to prevent leaks during travel.
Inspect the wheels, valves, and fittings before each trip. Replace worn seals and fittings promptly. A small leak from a worn valve fitting can create a big mess. Forum users on Reddit and Forest River Forums consistently recommend replacing standard hose clamps with stainless steel clamps for better durability.
Reddit users in r/RVLiving frequently recommend carrying extra sewer hoses and clear elbow adapters so you can monitor the flow color and consistency. This helps you know when the tank is truly empty and clean.
FAQs
What is the best portable RV waste tank?
The Camco Rhino 21-Gallon is our top pick for best portable RV waste tank overall. It offers a great balance of capacity, durability, and included accessories. With over 27,000 reviews and a 4.7-star rating, it is the most recommended tank among RVers. For budget-conscious buyers, the YITAMOTOR 40L offers solid value at a lower price point.
What size portable waste tank do I need for my RV?
Choose a portable tank that holds 50 to 75 percent of your RV’s smallest holding tank capacity. For a 30-gallon black tank, a 15 to 22-gallon portable tank works well. For a 50-gallon tank, look at 25 to 36-gallon portable options. Couples with small RVs typically need 10 to 22 gallons, while families with large RVs benefit from 25 to 36-gallon tanks.
What is the biggest portable RV waste tank available?
The largest portable wheeled waste tanks typically max out at around 36 gallons, like the Camco Rhino 36-Gallon and RecPro 36-Gallon models. The classAcustoms 40-Gallon WT-4000 offers even more capacity but is a stationary tank without wheels, designed for permanent installation rather than portable use.
Can you tow a portable waste tank behind a vehicle?
Portable waste tanks with tow bars or tow adapters are designed for low-speed towing only within campgrounds, typically at walking speed. They are not designed for road use or highway speeds. Always check your campground regulations regarding towing portable tanks, and never exceed the manufacturer’s recommended towing speed.
Conclusion
Finding the best portable waste tanks for RVs means matching capacity, wheel design, and features to your specific rig and camping style. The Camco Rhino 21-Gallon remains our top overall pick for its proven durability, complete accessory kit, and massive review base. The Barker 22-gallon Tote-Along offers excellent value, while the Thetford SmartTote stands out for its AutoStop technology.
For large RVs, the Camco Rhino 36-Gallon and RecPro 36-Gallon handle serious capacity. Budget-conscious RVers should look at the YITAMOTOR 40L, and anyone wanting maximum stability should consider one of the 4-wheel options from Barker or Venustank. Whatever you choose, a quality portable waste tank will extend your boondocking trips and give you freedom from dump station schedules in 2026.
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