NorthStar 4 in Semi-Trash Pump
#3 in 3 in and upFull 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$1,299.99
The NorthStar 4 in Semi-Trash Pump is the better gas water pump overall, rated 3.6 to 3.3. The NorthStar 4 in Semi-Trash Pump leads on flow. The NorthStar 3 in Semi-Trash Pump GX160 costs $470 less ($829.99 vs $1,299.99).
NorthStar 3 in Semi-Trash Pump GX160
#7 in 3 in and upFull 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$829.99
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.
Which should you buy?
- Choose the NorthStar 4 in Semi-Trash Pump for flow (384 gpm maximum vs 264.2 gpm maximum).
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 | NorthStar 4 in Semi-Trash Pump | NorthStar 3 in Semi-Trash Pump GX160 |
|---|---|---|
| Overall rating | 3.6/5 | 3.3/5 |
| Value 30% | 65 $3.39 per gpm ($1,299.99, 384 gpm) | 68 $3.14 per gpm ($829.99, 264.2 gpm) |
| Flow 15% | 92 384 gpm maximum | 32 264.2 gpm maximum |
| Head 10% | 50 head not published (neutral score used) | 50 head not published (neutral score used) |
| Solids 15% | 40 passes solids up to 0.8 in | 40 passes solids up to 0.8 in |
| Warranty 30% | 50 warranty not published (neutral score used) | 50 warranty not published (neutral score used) |
Specifications
| NorthStar 4 in Semi-Trash Pump | NorthStar 3 in Semi-Trash Pump GX160 | |
|---|---|---|
| Pumping | ||
| Type | Semi-trash | Semi-trash |
| Ports | 4 in | 3 in |
| Maximum flow | 384 gpm | 264.2 gpm |
| Suction lift | 23 ft | 23 ft |
| Largest solids | 0.8 in | 0.8 in |
| Engine and build | ||
| Engine | - | Honda GX160 |