The Earthquake to get if you hate mixing fuel: a 4 stroke mini cultivator with a long warranty, for established gardens.
Amazon $344.51The Earthquake MC440 and the Earthwise TC70040EW 40V are evenly matched, rated 3.2 and 3.1. The Earthquake MC440 leads on features. The Earthwise TC70040EW 40V wins on value and width. The Earthwise TC70040EW 40V costs $154.52 less ($189.99 vs $344.51).
A battery cultivator with more claimed depth than its rivals, best bought at the Amazon price.
Amazon $189.99Prices were last checked October 31, 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 Earthquake MC440 for features (adjustable width vs none of the four).
- Choose the Earthwise TC70040EW 40V for value ($17.27 per inch of tilling width ($189.99, 11 in) vs $34.45 per inch of tilling width ($344.51, 10 in)) and width (11 in wide vs 10 in wide).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every cultivators tiller; a clear win is highlighted. How we rank explains each one.
| Factor weight | Earthquake MC440 | Earthwise TC70040EW 40V |
|---|---|---|
| Overall rating | 3.2/5 | 3.1/5 |
| Value 30% | 28 $34.45 per inch of tilling width ($344.51, 10 in) | 62 $17.27 per inch of tilling width ($189.99, 11 in) |
| Width 20% | 40 10 in wide | 50 11 in wide |
| Depth 15% | 50 8 in deep | 50 8 in deep |
| Features 15% | 25 adjustable width | 0 none of the four |
| Warranty 20% | 100 5-year warranty | 50 warranty not published (neutral score used) |
Specifications
| Earthquake MC440 | Earthwise TC70040EW 40V | |
|---|---|---|
| Tilling | ||
| Type | Cultivator | Cultivator |
| Tilling width | 10 in | 11 in |
| Tilling depth | 8 in | 8 in |
| Tine rotation | Forward | Forward |
| Reverse | No | No |
| Adjustable width | Yes | No |
| Engine or motor | ||
| Power | Gas | Battery |
| Engine | Viper 40cc 4-cycle | - |
| Displacement | 40 cc | - |
| Electric start | No | - |
| Battery | - | 40 V, 4 Ah |
| CARB compliant | Yes | - |
| Build | ||
| Weight | 32 lb | - |
| Warranty | 5 years | - |
