Mighty Mule MM572W
#2 in Dual swingFull review
A heavy duty UL 325 listed kit for a wide pair of estate or farm gates. Check the length and weight chart for leaves over 8 ft.
Amazon $765.99$765.99
The Mighty Mule MM572W is the better automatic gate opener overall, rated 3.5 to 3.0. The Mighty Mule MM572W leads on warranty. The TOPENS XD852 costs $66.99 less ($699 vs $765.99).
TOPENS XD852
#5 in Dual swingFull review
A smart dual kit for heavy paired gates near the house, where app control matters more than a safety listing.
Amazon $699$699
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Mighty Mule MM572W for warranty (1.5-year warranty vs 1-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every dual swing automatic gate opener; a clear win is highlighted. How we rank explains each one.
| Factor weight | Mighty Mule MM572W | TOPENS XD852 |
|---|---|---|
| Overall rating | 3.5/5 | 3.0/5 |
| Gate weight 20% | 87 gates up to 850 lb per leaf | 89 gates up to 880 lb per leaf |
| Gate length 15% | 80 gates up to 18 ft per leaf | 80 gates up to 18 ft per leaf |
| Safety listing 15% | 100 UL 325 listed | 0 no UL 325 listing published, scored as none |
| Price 25% | 40 $765.99 | 47 $699 |
| Warranty 25% | 12 1.5-year warranty | 0 1-year warranty |
Specifications
| Mighty Mule MM572W | TOPENS XD852 | |
|---|---|---|
| Gate | ||
| Gate type | Dual swing | Dual swing |
| Heaviest gate | 850 lb | 880 lb |
| Longest gate | 18 ft | 18 ft |
| Time to open | 14 s | 15 s |
| UL 325 listed | Yes | - |
| Power | ||
| Power | Battery, solar ready | Battery, solar ready |
| Battery | 7 Ah | - |
| Motor voltage | 12 V | 24 V |
| Build | ||
| Remotes included | 1 | 2 |
| Weight | 55 lb | 33.2 lb |
| Warranty | 1.5 years | 1 year |
| Released | - | 2025-05 |