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 3.4. The NorthStar 4 in Semi-Trash Pump leads on value. The Multiquip QP4TH wins on solids. The NorthStar 4 in Semi-Trash Pump costs $2,499.01 less ($1,299.99 vs $3,799).
Multiquip QP4TH
#6 in 3 in and upFull review
A 4 in trash pump for contractors and municipalities moving large volumes of debris-laden water.
HVACDirect $3,799$3,799
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 value ($3.39 per gpm ($1,299.99, 384 gpm) vs $6.85 per gpm ($3,799, 555 gpm)).
- Choose the Multiquip QP4TH for solids (passes solids up to 2 in vs passes solids up to 0.8 in).
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 | Multiquip QP4TH |
|---|---|---|
| Overall rating | 3.6/5 | 3.4/5 |
| Value 30% | 65 $3.39 per gpm ($1,299.99, 384 gpm) | 34 $6.85 per gpm ($3,799, 555 gpm) |
| Flow 15% | 92 384 gpm maximum | 100 555 gpm maximum |
| Head 10% | 50 head not published (neutral score used) | 53 92 ft maximum head |
| Solids 15% | 40 passes solids up to 0.8 in | 100 passes solids up to 2 in |
| Warranty 30% | 50 warranty not published (neutral score used) | 25 2-year warranty for home use |
Specifications
| NorthStar 4 in Semi-Trash Pump | Multiquip QP4TH | |
|---|---|---|
| Pumping | ||
| Type | Semi-trash | Trash |
| Ports | 4 in | 4 in |
| Maximum flow | 384 gpm | 555 gpm |
| Maximum head | - | 92 ft |
| Suction lift | 23 ft | 25 ft |
| Largest solids | 0.8 in | 2 in |
| Engine and build | ||
| Engine | - | Honda GX340, 337 cc |
| Fuel tank | - | 1.6 gal |
| Runtime on a tank | - | 1.9 hr |
| Weight | - | 221.6 lb |
| Warranty | - | 2 years |