Flomax 15 HP pump Honda Engine
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Model Number:
33971
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Product Name:Flomax 15 HP pump Honda Engine
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Manufacturer:
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Series (21 Models):
13HP Electric Start
Model Number
33971
$6,512.50
MP 33971
Flomax 15 Self-Priming Pump (3" NPT, Honda GX340, Electric Start)
The Flomax 15 is a rugged, self-priming pump with a 3" NPT pipe size, powered by a reliable 13 HP Honda GX340 gas engine with electric start. Designed for tough field use, this pump delivers consistent performance at 3600 RPM (see FM15 flow curve under the IMAGE tab).
Commonly chosen by contractors for Ditch Witch and HDD (Horizontal Directional Drilling) equipment, the Flomax 15 is versatile enough to handle demanding industrial and agricultural applications.
Key Applications
The FLOMAX® series of pumps are widely used across multiple industries, including:
- Industrial: Bulk transfer, blending, washdown
- Agricultural: Fertilizer and pesticide pumping, applicators, sprayers, nurse tanks
- Marine: Bilge pumps, ballast transfer pumps, auxiliary fire pumps
- Construction/OEM: Contractors’ equipment, HDD and Ditch Witch machinery
Highlights
- 3" NPT pipe size
- Self-priming pump design for efficient startup
- 13 HP Honda GX340 gas engine with electric start
- Proven durability for continuous-duty applications
The MP 33971 Flomax 15 combines self-priming convenience, Honda power, and multi-industry versatility—making it a dependable choice for professionals who demand performance.
| Model Number | 33971 |
|---|---|
| part number | MP33971 |
| Series | Flomax 15 Self Priming pump |
| Max Flow (GPM.) | 265 |
| Max Flow GPH | 15900 |
| TDH Maximum (Ft) | 145 |
| TDH Maximum (PSI) | 63 |
| Horse Power (HP) | 13 |
| Horsepower (IE .5, 1, 1.5, 20) | 13.0000 |
| Inlet Connection Type | FNPT |
| Inlet (In.) | 2 |
| Outlet Connection Type | FNPT |
| Outlet (In.) | 2 |
| Wetted Materials | Cast Iron |
| Elastomers / O-ring | FKM |
| Motor | Gas Engine |
| Speed (RPM.) | 3450 |
| Self Priming | Yes |
| Suction Lift (FT.) | 25 |
| Max Operating Temperature (F) | 120 |
| Viscosity | Cream 16.50 cp 100.00 ssu |
| Shaft | 416SS |
| Mechanical Seal | FKM |
| Mechanical Seal Type | Double |
| Impeller Size (IN.) | 5.940000 |
| Coupling | Y |
| Impeller Material | Cast Iron |
| Drain | Yes |
| Port Rotation | No |
| Country of Manufacture | United States |
| Weight (Lbs) | 205.000000 |
| Warranty (YRS.) | 1 |
| GPM Of Water At 100 Feet Of Head | 175 |







