Champion 3 in Semi-Trash Pump 100743
#4 in 3 in and upFull 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$499.99
The Champion 3 in Semi-Trash Pump 100743 is the better gas water pump overall, rated 3.3 to 3.1. The Champion 3 in Semi-Trash Pump 100743 leads on value. The Honda WT30 wins on flow and solids. The Champion 3 in Semi-Trash Pump 100743 costs $1,204 less ($499.99 vs $1,703.99).
Honda WT30
#8 in 3 in and upFull 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$1,703.99
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 Champion 3 in Semi-Trash Pump 100743 for value ($1.89 per gpm ($499.99, 264 gpm) vs $5.38 per gpm ($1,703.99, 317 gpm)).
- Choose the Honda WT30 for flow (317 gpm maximum vs 264 gpm maximum) and solids (passes solids up to 1.1 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 | Champion 3 in Semi-Trash Pump 100743 | Honda WT30 |
|---|---|---|
| Overall rating | 3.3/5 | 3.1/5 |
| Value 30% | 90 $1.89 per gpm ($499.99, 264 gpm) | 45 $5.38 per gpm ($1,703.99, 317 gpm) |
| Flow 15% | 32 264 gpm maximum | 58 317 gpm maximum |
| Head 10% | 53 92 ft maximum head | 50 head not published (neutral score used) |
| Solids 15% | 40 passes solids up to 0.8 in | 65 passes solids up to 1.1 in |
| Warranty 30% | 25 2-year warranty for home use | 25 2-year warranty for home use |
Specifications
| Champion 3 in Semi-Trash Pump 100743 | Honda WT30 | |
|---|---|---|
| Pumping | ||
| Type | Semi-trash | Trash |
| Ports | 3 in | 3 in |
| Maximum flow | 264 gpm | 317 gpm |
| Maximum head | 92 ft | - |
| Suction lift | 26 ft | - |
| Largest solids | 0.8 in | 1.1 in |
| Engine and build | ||
| Engine | Champion OHV, 224 cc | - |
| Fuel tank | 3 gal | - |
| Weight | 93.9 lb | - |
| Warranty | 2 years | 2 years |