A 3 in pump moves about twice the water of a 2 in one, for draining ponds, flood cleanup and construction sites. Many are trash pumps that pass stones and sticks over an inch across. They weigh 60 lb and up, so most take two people to carry.
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.
Full ranking 14
- BE TP-4013HM 4 in Trash Pump#1 of 14Full review
A big Honda-powered 4 in trash pump for draining ponds, basements and excavations fast. Overkill for most homeowners.
Amazon $2,309.99$2,309.99580 gpm-1 in - Wacker Neuson PT3A#2 of 14Full review
A rugged 3 in trash pump for construction dewatering and flood cleanup with heavy debris.
Core & Main $1,881$1,881347.4 gpm96.8 ft1.5 in - NorthStar 4 in Semi-Trash Pump#3 of 14Full review
A big 4 in semi-trash pump for moving large volumes of muddy water. It suits farms and contractors more than homeowners.
Amazon $1,299.99$1,299.99384 gpm-0.8 in - Generac PRO XC3000P#4 of 14Full review
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 $1,599$1,599350 gpm90 ft1.2 in - Multiquip QP3TH#5 of 14Full review
A heavy-duty 3 in trash pump for construction and flood work with large debris. More pump than most homeowners need.
HVACDirect $1,999$1,999396 gpm95 ft1.5 in - Multiquip QP4TH#6 of 14Full review
A 4 in trash pump for contractors and municipalities moving large volumes of debris-laden water.
HVACDirect $3,799$3,799555 gpm92 ft2 in - NorthStar 3 in Semi-Trash Pump GX160#7 of 14Full review
A Honda-powered 3 in semi-trash pump for dewatering and moving muddy water, at a price between budget pumps and Honda’s own.
Amazon $829.99$829.99264.2 gpm-0.8 in - Champion 3 in Semi-Trash Pump 100743#8 of 14Full review
A low-cost 3 in semi-trash pump with hoses and wheels in the box, for ponds, pools and flood water. A good pick for homeowners who need volume on a budget.
Amazon $499.99$499.99264 gpm92 ft0.8 in - Koshin STH-80X#9 of 14Full review
A Japanese-built 3 in semi-trash pump with a Honda engine, for dewatering and irrigation.
Amazon $725.54$725.54238 gpm85 ft- - NorthStar Extended Run 3 in Semi-Trash Pump#10 of 14Full review
A 3 in semi-trash pump with an oversized tank for all-day dewatering. It is for sites that need a pump running unattended through a shift.
Amazon $979.99$979.99264.2 gpm-0.8 in - BILT HARD 3 in Trash Pump#11 of 14Full review
A low-cost 3 in pump kit on wheels for draining ponds and pools. The 90-day warranty suits occasional use only.
Amazon $429.99$429.99290 gpm85 ft- - BE TP-3065HR 3 in Semi-Trash Pump#12 of 14Full review
A Honda-powered 3 in semi-trash pump with a roll cage, for dewatering and irrigation with gritty water.
Amazon $934.99$934.99264 gpm-0.6 in - Powerhorse 3 in Extended Run Trash Pump#13 of 14Full review
A full trash pump for muddy flood water with sticks and stones, at well under the price of a Honda WT30.
Amazon $899.99$899.99197 gpm-1.1 in - Honda WT30#14 of 14Full review
A 3 in Honda trash pump for flood cleanup and job sites with dirty water. Worth it for frequent heavy use; occasional users can save with a semi-trash pump.
Amazon $1,703.99$1,703.99317 gpm-1.1 in
