PetraTools HD4000
A 4-gallon sprayer with battery and charger that runs all day on a charge, for homeowners and small crews spraying large lawns or acreage.
Amazon $199.99$199.99
The PetraTools HD4000 rates 3.9 among 4 gallons and up battery backpack sprayers; the PROYAMA 51.7cc Mist Duster rates 3.1 among mist blowers ones.
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.
PROYAMA 51.7cc Mist Duster
#2 in Mist blowersFull review
A budget gas mister and duster for occasional mosquito and garden spraying.
Amazon $199$199
Scores side by side
These two sit in different type classes (4 gallons and up and mist blowers), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | PetraTools HD4000 | PROYAMA 51.7cc Mist Duster |
|---|---|---|
| Overall rating | 3.9/5 | 3.1/5 |
| Value 25% | 56 $50 per gallon of tank ($199.99, 4 gal) | 51 $53.78 per gallon of tank ($199, 3.7 gal) |
| Tank size 10% | 67 4 gal tank | 57 3.7 gal tank |
| Spray power 20% | 79 up to 90 PSI | 67 40 ft horizontal reach |
| Runtime or airflow 20% | 100 50 tanks per charge (200 gal) | 22 530 CFM airflow |
| Features 15% | 75 battery and charger included, adjustable pressure, 4 or more nozzles, gauge or control panel | 65 dusts powders or granules, anti-vibration |
| Warranty 10% | 0 warranty not published, scored as none | 0 1-year warranty |
Specifications
| PetraTools HD4000 | PROYAMA 51.7cc Mist Duster | |
|---|---|---|
| Spraying | ||
| Tank | 4 gal | 3.7 gal |
| Max pressure | 90 PSI | - |
| Horizontal reach | - | 40 ft |
| Airflow | - | 530 CFM |
| Nozzles included | 6 | - |
| Wand length | 34.5 in | - |
| Power | ||
| Battery | 12 V 8 Ah, included | Gas engine |
| Runtime per charge | 6 hours | - |
| Gallons per charge | 200 gal | - |
| Tanks per charge | 50 | - |
| Engine | - | 51.7 cc |
| Features | ||
| Adjustable pressure | Yes | - |
| Agitator | No | - |
| Gauge or control panel | Yes | - |
| Dusts powders | - | Yes |
| Anti-vibration | - | Yes |
| Build | ||
| Warranty | - | 1 year |