Finding the best self cleaning litter box for large cats can be surprisingly difficult, especially when many automatic models are built with smaller, average sized cats in mind. Bigger breeds like Maine Coons, Ragdolls, Norwegian Forest Cats, or simply heavier, “chunky” cats need a litter box with more space, stronger sensors, and reliable cleaning cycles that won’t jam under extra weight.
While our best automatic litter boxes guide covers the top overall options, this article focuses specifically on what large cats require: bigger entryways, roomier interiors, sturdier motors, and waste systems that can handle more volume.
In this 2026 guide, we’ve tested and reviewed the top self cleaning litter boxes designed for big and heavy cats, comparing size, sensor reliability, odor control, cleaning performance and long term durability. Whether your cat is tall, long, fluffy, or simply on the heavier side, this list will help you find a model that’s safe, spacious, and built to last.
Quick Picks: Self Cleaning Litter Boxes for Large Cats
Here’s a quick look at how each self cleaning litter box handles large cat needs, focusing on waste capacity, cleaning performance and how well the design accommodates bigger breeds.
| Model | Image | Best For | Main Highlights | Buy |
|---|---|---|---|---|
| PETKIT Purobot Max Pro Best Overall Large-Cat Box |  | Extra-large cats & spacious homes | Extra-large capacity • Automatic cleaning • Odor seal • Large cat comfort | Check price (Amazon) |
| Ellenpent Self-Cleaning Litter Box 90 L Best for Large Capacity |  | Large capacity & long intervals | 90 L capacity • Automatic cleaning • Good for heavy users | Check price (Amazon) |
| PetCove Self-Cleaning Litter Box Best for Multi-Cat & Large Cats |  | Multiple or large cats | Spacious interior • Covered • Automatic cycle • Easy maintenance | Check price (Amazon) |
| Paruuntys Automatic Litter Box Best Budget Large-Cat Box |  | Budget-conscious large-cat owners | Spacious • Automatic cleaning • Quiet operation • Affordable | Check price (Amazon) |
Self Cleaning Litter Boxes for Large Cats Reviewed
Below you’ll find our top picks for self cleaning litter boxes for large cats, carefully selected for their spacious design, dependable waste removal systems and solid performance in multi cat or heavy use households.
PETKIT Purobot Max Pro 2
Extra-Large Self-Cleaning Box
- Oversized drum designed for large, overweight, or multi cat households.
- AI-powered cleaning system with real time monitoring for reliability.
- Built-in camera and app notifications help track usage and litter levels.
- Quiet operation and strong odor control, great for indoor apartments.
Perfect For: Big cats (20+ lbs), multi cat families, and owners who want high automation with great odor control.
Check Price on Amazon
Ellenpent 90L Self Cleaning
Litter Box
- Massive 90L capacity comfortably fits large or multi-cat households.
- Automatic cleaning system with APP control for easy monitoring.
- Low-noise operation and odor control design keep your home fresh.
- Roomy interior helps prevent messes and allows big cats to turn easily.
- Built-in safety sensors ensure cleaning only triggers when cats are out.
Perfect For: Owners of big, heavy, or multiple cats who need a high capacity litter box that stays clean with minimal effort.
Check Price on Amazon
& Large Cat Homes
PetCove Self-Cleaning
Automatic Litter Box
- Generous internal size, designed to accommodate multiple or large cats comfortably.
- Fully automatic cleaning cycle helps keep litter fresh and reduces odor, ideal for busy homes with more than one cat.
- Covered design offers privacy, which many cats (especially larger ones) appreciate before and after use.
- Simple user interface and easy litter tray access make maintenance less of a chore.
- Good balance of size, function, and automation at a competitive price point.
Perfect For: Households with multiple or large cats needing a roomy, automated litter solution to reduce cleaning effort and improve hygiene.
Check Price on Amazon
Paruuntys Automatic
Litter Box for Large Cats
- Spacious interior suitable for large or heavier cats.
- Automatic cleaning keeps the litter fresher with minimal effort.
- Affordable option compared to premium self cleaning models.
- Quiet operation makes it easy to place in shared living areas.
- Simple controls ideal for first time automatic litter box users.
Perfect For: Budget conscious cat owners who want an easy-to-use, large cat friendly self cleaning litter box.
Check Price on Amazon
How We Chose the Top rated Self Cleaning Litter Boxes for Large Cats?
- True large cat capacity: Boxes with wide entries, deep drums, and high internal volume so bigger cats can turn comfortably.
- Reliable self-cleaning systems: Smooth cycling, minimal jamming, and consistent waste separation to handle frequent use.
- Odor control performance: Covered designs, sealed waste bins, and efficient filtering to keep the home smelling clean.
- Ease of maintenance: Quick access to trays, compatible litter types, and straightforward app or button controls.
Buying Guide: What to Look for in a Neck Massager for Tension Headaches
Finding the right automatic litter box for a large cat means paying attention to features that guarantee comfort, safety, and long term performance. Here’s what matters most:
A spacious interior is essential. Large cats especially breeds like Maine Coons or simply overweight cats need room to enter, turn, and dig comfortably. Look for models with wide openings and high capacity bowls or chambers. Weight capacity also plays a big role; some devices max out at 15–17 lbs, which isn’t enough for many big cats.
Automation and cleaning consistency are equally important. A high performing self-cleaning system prevents clumps from sticking, reduces odors, and keeps the home smelling fresh. If you prefer data tracking or remote control, models with smartphone apps make monitoring usage much easier.
Finally, consider reliability and ongoing upkeep. A well designed system with affordable liners, easy access waste drawers, and sturdy parts keeps maintenance low. For owners who love smart pet tech, you may also enjoy exploring tools like our guide to the Best Cat Camera Collars, which pairs perfectly with any automatic litter box setup to monitor your cat’s daily habits.
Conclusion: Which One Should you Choose?
The PETKIT Purobot Max Pro is ideal for owners who want maximum capacity and premium performance, while the PetCove model suits multi-cat homes that need consistent cleaning. If you’re on a budget, the Paruuntys option delivers surprising value without sacrificing space for bigger cats. And for those who want the largest capacity possible, the Ellenpent 90L box stands out.
Whichever model you choose, upgrading to a self cleaning system can make daily care easier, cleaner, and far more manageable, especially for households with big cats or multiple pets.
If you’re building a full smart pet setup at home, you might also like our guide to the best cat GPS trackers for keeping outdoor cats safe.
Frequently Asked Questions
Are self cleaning litter boxes safe for large cats?
Yes, most self cleaning litter boxes are safe for large cats as long as they’re rated for higher weight limits and have roomy interiors. Look for models specifically designed for big or multi-cat households and always follow the manufacturer’s setup and safety instructions.
How do I know if a self-cleaning litter box is big enough for my cat?
As a rule of thumb, your cat should be able to turn around comfortably inside the litter area without crouching or squeezing. Check the internal dimensions (not just external size) and compare them to your cat’s length from nose to base of tail, especially for large or long-bodied breeds.
Do large cats adapt well to automatic litter boxes?
Most large cats adapt well as long as the box feels stable, quiet, and spacious. Introduce the Litter Box for Large Cats gradually by placing it next to the old box, leaving it turned off at first, and letting your cat explore it at their own pace before enabling automatic cleaning cycles.
