Koshin STH-80X
#9 in 3 in and upFull review
A Japanese-built 3 in semi-trash pump with a Honda engine, for dewatering and irrigation.
Amazon $725.54$725.54
1 Koshin gas water pump ranked. Each one is scored and ranked against every brand in its size, so "#3 mid-size" means third of all mid-size water pumps here, not third among Koshin's own.
The Koshin STH-80X is Koshin's only current gas water pump here, ranked #9 of 14 3 in and up and rated 3.3.
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.
Koshin water pumps 1
- Koshin STH-80X#9 3 in and upFull review
A Japanese-built 3 in semi-trash pump with a Honda engine, for dewatering and irrigation.
Amazon $725.54$725.54238 gpm85 ft-