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MP FM30-18 FM30 Pump w/ 18HP Engine FM30 Pump w/ 18HP Engine FM30 Pump w/ 18HP Engine flow curve MP FM30-18 FM30 Pump impeller MP FM30-18 FM30 Pump internals MP FM30 Pump dimensions
MP FM30-18 FM30 Pump w/ 18HP Engine

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Manufacturer: MP
Series (12 Models):

Flowmax 30 Pump

Product Name:

FM30 Pump w/ 18HP Engine

Model Number:



Flomax 30 are self-priming pumps, pipe size 3" NPT. FM30 Pump with single seal and 18HP Briggs & Stratton engine. Use for irrigation, dewatering, tank filling, HDD, pilings, bilge, ballast transfer and other large water transfer or construction applications. Pump is self-priming. Engine is close coupled to pump. Alternate 39143 is same pump and NO electric start engine. 

3" x 3" Self Priming Centrifugal Pump 

FLOMAX® 30 self-priming centrifugal pumps are capable of creating vacuum sufficient to lift liquids from heights up to 25 feet above the source.  Once primed, the pump’s built in flapper valve will maintain a full column of liquid in the suction line. 

Standard features include stainless steel drive sleeve, stainless steel fasteners, renewable wear plate, and a semi-open dynamically balanced impeller. 

Some models have ABS Type Approval for the Flomax 30.

Additional Information

Model Number 38548
Series Flowmax 30 Pump
Warranty (YRS.) 1
Max Flow (GPM.) 480
Max Flow GPH 28800
Minimum Flow (GPM.) 60
TDH Maximum (Ft) 110
TDH Maximum (PSI) 48
TDH BEP (FT.) 100
Horsepower 18
Horse Power (HP) 18
Inlet Connection Type FNPT
Inlet (In.) 3
Outlet Connection Type FNPT
Outlet (In.) 3
Wetted Materials CI
Elastomers / O-ring Viton
Motor Gas Engine
Speed (RPM.) 3450
Self Priming Yes
Max Operating Temperature (F) 120
Max Particle Size (In) 0.62
Viscosity Cream 16.50 cp 100.00 ssu
Shaft 416SS
Mechanical Seal Face Carbon-ceramic
Mechanical Seal Type Single
Impeller Size (IN.) 6.35
Coupling N
Applications Contractor, Dewatering, Irrigation, Marine, Self-Priming
Impeller Material CI, semi-open
Drain Yes
Country of Manufacture United States
Weight (Lbs) 180
Time to Ship (DAYS) 5-7 days