Mighty Mule MM371W
#3 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 Mighty Mule MM372W rates 3.2 among dual swing ones. The Mighty Mule MM371W costs $255.93 less ($344.06 vs $599.99).
Mighty Mule MM372W
#3 in Dual swingFull review
The mainstream UL 325 listed choice for a pair of medium driveway gates. Add a battery and check the length and weight chart.
Amazon $599.99$599.99
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.
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 | Mighty Mule MM372W |
|---|---|---|
| Overall rating | 3.3/5 | 3.2/5 |
| Gate weight 20% | 50 gates up to 550 lb per leaf | 50 gates up to 550 lb per leaf |
| Gate length 15% | 60 gates up to 16 ft per leaf | 60 gates up to 16 ft per leaf |
| Safety listing 15% | 100 UL 325 listed | 100 UL 325 listed |
| Price 25% | 75 $344.06 | 59 $599.99 |
| Warranty 25% | 0 1-year warranty | 0 1-year warranty |
Specifications
| Mighty Mule MM371W | Mighty Mule MM372W | |
|---|---|---|
| Gate | ||
| Gate type | Single swing | Dual swing |
| Heaviest gate | 550 lb | 550 lb |
| Longest gate | 16 ft | 16 ft |
| Time to open | 14 s | 14 s |
| UL 325 listed | Yes | Yes |
| Power | ||
| Power | Battery, solar ready | Battery, solar ready |
| Motor voltage | 12 V | 12 V |
| Build | ||
| Remotes included | 1 | 1 |
| Weight | 23 lb | 41 lb |
| Warranty | 1 year | 1 year |