A 3 in trash pump with a long warranty and run time, for flood cleanup and job sites with debris-laden water.
A.P. Electric $1,599 Toolnut $1,599The Generac PRO XC3000P is the better gas water pump overall, rated 3.5 to 3.3. The Generac PRO XC3000P leads on flow and head. The Koshin STH-80X wins on value. The Koshin STH-80X costs $873.46 less ($725.54 vs $1,599).
A Japanese-built 3 in semi-trash pump with a Honda engine, for dewatering and irrigation.
Amazon $725.54Prices 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.
Which should you buy?
- Choose the Generac PRO XC3000P for flow (350 gpm maximum vs 238 gpm maximum) and head (90 ft maximum head vs 85 ft maximum head).
- Choose the Koshin STH-80X for value ($3.05 per gpm ($725.54, 238 gpm) vs $4.57 per gpm ($1,599, 350 gpm)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 3 in and up gas water pump; a clear win is highlighted. How we rank explains each one.
| Factor weight | Generac PRO XC3000P | Koshin STH-80X |
|---|---|---|
| Overall rating | 3.5/5 | 3.3/5 |
| Value 30% | 52 $4.57 per gpm ($1,599, 350 gpm) | 69 $3.05 per gpm ($725.54, 238 gpm) |
| Flow 15% | 75 350 gpm maximum | 19 238 gpm maximum |
| Head 10% | 50 90 ft maximum head | 42 85 ft maximum head |
| Solids 15% | 76 passes solids up to 1.2 in | 50 solids size not published (neutral score used) |
| Warranty 30% | 50 3-year warranty for home use | 50 warranty not published (neutral score used) |
Specifications
| Generac PRO XC3000P | Koshin STH-80X | |
|---|---|---|
| Pumping | ||
| Type | Trash | Semi-trash |
| Ports | 3 in | 3 in |
| Maximum flow | 350 gpm | 238 gpm |
| Maximum head | 90 ft | 85 ft |
| Suction lift | 26 ft | 26 ft |
| Largest solids | 1.2 in | - |
| Engine and build | ||
| Engine | Generac G-Force OHC, 265 cc | Honda GX160, 163 cc |
| Fuel tank | 2.9 gal | 0.8 gal |
| Runtime on a tank | 4.3 hr | 2 hr |
| Weight | 163 lb | - |
| Warranty | 3 years | - |
