By Petbuds Team · Cat Care · Large Breed Guide · Australia

Maine Coon Litter Box Guide: How to Choose One That Actually Fits

Maine Coons are one of the most popular large cat breeds in Australian households, with adult cats regularly weighing 6–10kg and stretching out to 100cm-plus nose to tail. The problem is, most litter boxes on the market — including plenty labelled "large capacity" — are still built around a 4kg average-sized cat. That's why so many Maine Coon owners end up with a litter box their cat simply doesn't fit comfortably in.

This guide skips the vague buying tips and goes straight to the numbers: what to actually check before you buy a litter box for a Maine Coon.

The numbers: just how big is a Maine Coon?

Adult male Maine Coon average weight: 8.2–10kg (some individuals exceed 11kg)
Adult female Maine Coon average weight: 5.4–7kg
Body length (including tail): up to 100–120cm
Standing shoulder height: up to 25–40cm

Compared with the average domestic cat at 4–5kg, a Maine Coon is essentially the size of "two cats in one." That means the box's internal space, entry height and weight-sensing system all need to be recalibrated for this size class — not just a scaled-up version of a standard design.

3 mistakes Maine Coon owners commonly make

1. Judging the box by its outer dimensions, not the usable interior space

Plenty of litter boxes look big on the outside but lose a chunk of that space to the motor, cleaning mechanism and waste bin. Before buying, always check the usable interior space rather than the overall exterior footprint — the difference between the two can be more than 30%.

2. Trusting "suitable for large cats" without a specific weight rating

Automatic litter boxes rely on a weight sensor to detect whether a cat is inside or has left. If the rated capacity is too low, a Maine Coon-sized cat can easily trigger a misread — either the cleaning cycle fails to start when it should, or it starts before the cat has fully left, which can be startling or even risk injury. Always look for a specific weight number — for example, a rating up to 13.5kg — rather than a vague "suitable for large cats" claim.

3. Overlooking entry height and step-in difficulty

Maine Coons carry more weight through their joints and hips than the average cat, and this matters even more for senior Maine Coons aged 7+. A high entry threshold adds unnecessary strain over time. Look for a low-entry design when shopping.

The bottom line

Choosing a litter box for a Maine Coon isn't about picking "one size up" — it's about re-checking every measurement against a genuinely large-breed standard. If you're after an automatic litter box designed around real large-breed measurements, from interior space to a 13.5kg weight capacity, have a look at Petbuds Max.