Champion 3 in Semi-Trash Pump 100743
#8 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 rates 3.3 among 3 in and up gas water pumps; the Champion 2 in Semi-Trash Pump 201559 rates 3.1 among up to 2 in ones. The Champion 2 in Semi-Trash Pump 201559 costs $100.99 less ($399 vs $499.99).
Champion 2 in Semi-Trash Pump 201559
#10 in Up to 2 inFull review
The lighter Champion 2 in semi-trash pump, for occasional draining jobs where carrying weight matters more than run time.
Amazon $399$399
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.
Scores side by side
These two sit in different size classes (3 in and up and up to 2 in), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | Champion 3 in Semi-Trash Pump 100743 | Champion 2 in Semi-Trash Pump 201559 |
|---|---|---|
| Overall rating | 3.3/5 | 3.1/5 |
| Value 30% | 90 $1.89 per gpm ($499.99, 264 gpm) | 77 $2.53 per gpm ($399, 158 gpm) |
| Flow 15% | 32 264 gpm maximum | 48 158 gpm maximum |
| Head 10% | 53 92 ft maximum head | 53 92 ft maximum head |
| Solids 15% | 40 passes solids up to 0.8 in | 20 passes solids up to 0.5 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 | Champion 2 in Semi-Trash Pump 201559 | |
|---|---|---|
| Pumping | ||
| Type | Semi-trash | Semi-trash |
| Ports | 3 in | 2 in |
| Maximum flow | 264 gpm | 158 gpm |
| Maximum head | 92 ft | 92 ft |
| Suction lift | 26 ft | 26 ft |
| Largest solids | 0.8 in | 0.5 in |
| Engine and build | ||
| Engine | Champion OHV, 224 cc | Champion OHV, 212 cc |
| Fuel tank | 3 gal | 0.8 gal |
| Weight | 93.9 lb | 54 lb |
| Warranty | 2 years | 2 years |