Earthquake Dually 10310
#1 in GasFull review
A one or two-person gas powerhead for fence lines and footings up to 10 in. It suits buyers who want a long warranty and room to grow into bigger bits.
Amazon $350.81$350.81
The Earthquake Dually 10310 rates 4.3 among gas earth augers; the Stihl BTA 140 rates 3.7 among battery ones. The Earthquake Dually 10310 costs $399.18 less ($350.81 vs $749.99).
Stihl BTA 140
#8 in BatteryFull review
A battery auger for Stihl AP owners who need holes up to 12 in. Buyers without the batteries face a steep total price.
Stihl $749.99$749.99
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 power classes (gas and battery), and each is scored against the reference points for its own class, so a rating says how well each does among its own power peers. How we rank explains each factor.
| Factor weight | Earthquake Dually 10310 | Stihl BTA 140 |
|---|---|---|
| Overall rating | 4.3/5 | 3.7/5 |
| Value 30% | 100 $35.08 per inch of bit ($350.81, up to 10 in) | 72 $62.50 per inch of bit ($749.99, up to 12 in) |
| Torque 15% | 21 84.1 N·m of torque | 50 torque not published (neutral score used) |
| Reverse 15% | 50 reverse not stated (neutral score used) | 100 reverse to free a stuck bit |
| Weight 15% | 87 24 lb | 50 weight not published (neutral score used) |
| Warranty 25% | 100 5-year warranty for home use | 50 warranty not published (neutral score used) |
Specifications
| Earthquake Dually 10310 | Stihl BTA 140 | |
|---|---|---|
| Drilling | ||
| Power | 52 cc gas | 36 V battery |
| Battery included | - | No |
| Largest bit | 10 in | 12 in |
| Bit included | None | None |
| Torque | 84.1 N·m | - |
| Reverse | - | Yes |
| Build | ||
| Operators | 2 | 1 |
| Weight | 24 lb | - |
| Warranty | 5 years | - |