Mighty Mule MM371W
#6 in Single swingFull review
The mainstream DIY choice for a medium single driveway gate, with a real UL 325 listing. Buy the battery with it and check the length and weight chart first.
Amazon $344.06$344.06
The Mighty Mule MM371W rates 3.3 among single swing automatic gate openers; the TOPENS XD552S Solar rates 2.7 among dual swing ones. The Mighty Mule MM371W costs $424.94 less ($344.06 vs $769).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
TOPENS XD552S Solar
#9 in Dual swingFull review
A smart solar dual kit for medium gate pairs where app control and off grid power matter more than a safety listing.
Amazon $769$769
Scores side by side
These two sit in different gate type classes (single swing and dual swing), and each is scored against the reference points for its own class, so a rating says how well each does among its own gate type peers. How we rank explains each factor.
| Factor weight | Mighty Mule MM371W | TOPENS XD552S Solar |
|---|---|---|
| Overall rating | 3.3/5 | 2.7/5 |
| Gate weight 20% | 50 gates up to 550 lb per leaf | 65 gates up to 660 lb per leaf |
| Gate length 15% | 60 gates up to 16 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% | 75 $344.06 | 40 $769 |
| Warranty 25% | 0 1-year warranty | 0 1-year warranty |
Specifications
| Mighty Mule MM371W | TOPENS XD552S Solar | |
|---|---|---|
| Gate | ||
| Gate type | Single swing | Dual swing |
| Heaviest gate | 550 lb | 660 lb |
| Longest gate | 16 ft | 18 ft |
| Time to open | 14 s | 15 s |
| UL 325 listed | Yes | - |
| Power | ||
| Power | Battery, solar ready | Solar (panel included) |
| Solar panel | - | 30 W |
| Motor voltage | 12 V | 24 V |
| Build | ||
| Remotes included | 1 | 2 |
| Weight | 23 lb | 33.2 lb |
| Warranty | 1 year | 1 year |