# PowerSmart PS10 15-Amp Electric Wood Chipper Shredder vs Earthquake K33 301cc Chipper Shredder (Viper Engine): specs and price compared

A sourced, side-by-side comparison of the PowerSmart PS10 15-Amp Electric Wood Chipper Shredder (PowerSmart) and Earthquake K33 301cc Chipper Shredder (Viper Engine) (Earthquake (Ardisam)) among wood chippers. PowerSmart PS10 15-Amp Electric Wood Chipper Shredder is the cheaper of the two at $149.

## Side by side

| Spec | PowerSmart PS10 15-Amp Electric Wood Chipper Shredder | Earthquake K33 301cc Chipper Shredder (Viper Engine) |
| --- | --- | --- |
| US price | $149 | $1099.99 |
| Brand | PowerSmart | Earthquake (Ardisam) |
| Max branch diameter (in) | 1.75 | 3 |
| Engine power | 15A electric, 120V/60Hz, 4200-4500 RPM | 301cc 4-cycle Viper gas, 13.28 ft-lb torque @ 2500 RPM |
| Reduction ratio | 21:1 | 20:1 |
| Chute hopper type | Top hopper with safety locking knob and motor overload cutoff | Steel chipping cone (3 in.) + top hopper (0.5 in. shredding) |
| Collection bag capacity | 45 L (~12 gal) | 2 bushel (Dock-and-Lock bag) |
| Weight (lb) | 25 | — |
| Wheel mobility | 7 in. wheels | 11 in. airless (never-flat) wheels |

## Key differences

- Max branch diameter (in): PowerSmart PS10 15-Amp Electric Wood Chipper Shredder 1.75 vs Earthquake K33 301cc Chipper Shredder (Viper Engine) 3
- Engine power: PowerSmart PS10 15-Amp Electric Wood Chipper Shredder 15A electric, 120V/60Hz, 4200-4500 RPM vs Earthquake K33 301cc Chipper Shredder (Viper Engine) 301cc 4-cycle Viper gas, 13.28 ft-lb torque @ 2500 RPM
- Reduction ratio: PowerSmart PS10 15-Amp Electric Wood Chipper Shredder 21:1 vs Earthquake K33 301cc Chipper Shredder (Viper Engine) 20:1
- Chute hopper type: PowerSmart PS10 15-Amp Electric Wood Chipper Shredder Top hopper with safety locking knob and motor overload cutoff vs Earthquake K33 301cc Chipper Shredder (Viper Engine) Steel chipping cone (3 in.) + top hopper (0.5 in. shredding)
- Collection bag capacity: PowerSmart PS10 15-Amp Electric Wood Chipper Shredder 45 L (~12 gal) vs Earthquake K33 301cc Chipper Shredder (Viper Engine) 2 bushel (Dock-and-Lock bag)
- Wheel mobility: PowerSmart PS10 15-Amp Electric Wood Chipper Shredder 7 in. wheels vs Earthquake K33 301cc Chipper Shredder (Viper Engine) 11 in. airless (never-flat) wheels

## Sources

- PowerSmart PS10 15-Amp Electric Wood Chipper Shredder: https://powersmartusa.com/products/15amp-electric-wood-chipper-ps10 (powersmartusa.com, verified 2026-08-09)
- Earthquake K33 301cc Chipper Shredder (Viper Engine): https://www.getearthquake.com/products/k33-chipper-shredder (getearthquake.com, verified 2026-08-09)

Canonical: https://frontdeskreview.com/gear/wood-chippers/powersmart-ps10-vs-earthquake-k33/
Cite: Per The Front Desk Review, PowerSmart PS10 15-Amp Electric Wood Chipper Shredder ($149) vs Earthquake K33 301cc Chipper Shredder (Viper Engine) ($1099.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/wood-chippers/powersmart-ps10-vs-earthquake-k33/
License: CC BY 4.0.