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State of the art Float switches

PumpBiz offers modern Electronic float switches that no longer have problem causing moving parts. Features include alarms, lights,phone calls and alternators. They are easy to install and fit just …

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Propane BI-FUEL upgrade Kit

 Trucks, cars, and other vehicles as well as other Small engines running on our propane conversion systems have been proven to have 80% cleaner emissions and help the engine last longer than …

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Flex Pump™ Dewatering Trash

Submersible Trash pump engine powered*. Flex-Pump is a submersible dewatering pump without electricity. Customers who have used it are so impressed they are calling it a "Muddy …

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Koshin gas powered water pumps and dewatering pumps along with electric submersible dewatering pumps. High pressure pumps for fire fighting and irrigation.

The SEV- model pumps are the same features of other Koshin pumps but to keep cost down and to compete with other value priced brands these units feature a Koshin made gas engine. These pumps would compete with any non-brand name easily and be a better quality pump with readily available parts from the worlds largest engine pump manufacturer.

Generic engines feature cast iron cylinder sleeve, low oil shut down, carb compliant 4-cycle. These pumps are value priced for occasional use. Not the rental yard like the other Koshin pumps are so well know for. Consider these pumps before othres with names beginning with power, blue, wayne, champion and the like.

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4-Cycle GX120 4HP 9480GPH
Manufacturer: Koshin Pumps Dewatering High Pressure & Generators
Model Number: SEH-50X Dewatering pump Honda
Free Grd Shipping
Maximum Flow : 158 gallons/min
TDH (Head) Maximum @ 0GPM : 42 PSI
Head (TDH) Maximum @ 0GPM : 98 FT
GPM of Water @ 20 Ft. of Head : 145
GPM of Water @ 40 Ft. of Head : 105
GPM of Water @ 60 Ft. of Head : 80
GPM of Water @ 80 Ft. of Head : 40
HP Standard : 4 HP
Inlet Connection Type : MNPT
Inlet : 2 "
Outlet Connection Type : MNPT
Outlet : 2 "
Wetted Materials : CI
Wetted Materials : Aluminum
Elastomers : Buna-Nitrile
Motor : Gas Engine
Speed : 3450 RPM
Self Priming : 1
Suction Lift : 26 FT
Max Operating Temp : 120 °F
Viscosity : Cream 16.50 cp 100.00 ssu
Max. Particle Size : 0.25 "
Max Specific Gravity : 1 sp. gr.
Max. Particle Hardness : 3 MOH
Max. Volume of Suspended Solids : 2 %
Mechanical Seal Face : Carbon-ceramic
Mechanical Seal Type : Single
Impeller Mat'l / Type : Cast Iron, semi-open
Warranty : 2 Year/s
Applications : Contractor
Applications : Dewatering
Applications : Fire
Applications : Irrigation
Other : 18''x14''x15''. EPA and CARB C
Low Oil Shutdown : Yes
Country of Origin : Japan
Duty : continuous
Drain Plug : yes
Port Rotation : yes
Read more…
Sale Price
$56900
Regular: $731.50
You Save: $162.50
4-Cycle 5HP 9840 GPH
Manufacturer: Koshin Pumps Dewatering High Pressure & Generators
Model Number: SEV-50X
Spring Special -
Maximum Flow : 164 gallons/min
TDH (Head) Maximum @ 0GPM : 35 PSI
Head (TDH) Maximum @ 0GPM : 82 FT
HP Standard : 5 HP
Inlet Connection Type : MNPT
Inlet : 2 "
Outlet Connection Type : MNPT
Outlet : 2 "
Wetted Materials : CI
Wetted Materials : Aluminum
Elastomers : Buna-Nitrile
Motor : Gas Engine
Speed : 3450 RPM
Self Priming : 1
Suction Lift : 26 FT
Max Operating Temp : 120 °F
Viscosity : Vegetable Oil 34.60 cp 200.00
Max. Particle Size : 0.37 "
Max Specific Gravity : 1 sp. gr.
Max. Particle Hardness : 3 MOH
Max. Volume of Suspended Solids : 10 %
Mechanical Seal Face : Carbon-ceramic
Mechanical Seal Type : Single
Impeller Mat'l / Type : Cast Iron, semi-open
Warranty : 1 Year/s
Applications : Contractor
Applications : Dewatering
Applications : Fire
Applications : Irrigation
Other : 18''x14''x15''<br>
Low Oil Shutdown : Yes
Country of Origin : Japan
Duty : continuous
Drain Plug : yes
Read more…
Sale Price
$38500
Regular: $594.55
You Save: $209.55
Robin 4-Cycle 5.7HP 15,360GPH
Manufacturer: Koshin Pumps Dewatering High Pressure & Generators
Model Number: SE-80EX
Maximum Flow : 256 gallons/min
TDH (Head) Maximum @ 0GPM : 44 PSI
Head (TDH) Maximum @ 0GPM : 102 FT
GPM of Water @ 20 Ft. of Head : 230
GPM of Water @ 40 Ft. of Head : 200
GPM of Water @ 60 Ft. of Head : 145
GPM of Water @ 80 Ft. of Head : 60
HP Standard : 5.7 HP
Inlet Connection Type : MNPT
Inlet : 3 "
Outlet Connection Type : MNPT
Outlet : 3 "
Wetted Materials : CI
Wetted Materials : Aluminum
Elastomers : Buna-Nitrile
Motor : Gas Engine
Speed : 3450 RPM
Self Priming : 1
Suction Lift : 26 FT
Max Operating Temp : 120 °F
Viscosity : Vegetable Oil 34.60 cp 200.00
Max. Particle Size : 0.25 "
Max Specific Gravity : 1 sp. gr.
Max. Particle Hardness : 4 MOH
Max. Volume of Suspended Solids : 5 %
Mechanical Seal Face : Carbon-ceramic
Mechanical Seal Type : Single
Impeller Mat'l / Type : Cast Iron, semi-open
Warranty : 2 Year/s
Applications : Contractor
Applications : Dewatering
Applications : Fire
Applications : Irrigation
Applications : Portable
Other : 21''x16''x19'' Subaru Overhea
Low Oil Shutdown : Yes
Country of Origin : Japan
Duty : continuous
Drain Plug : yes
Run Time : 2 Hrs
Fuel Tank Size : 0.95 gal
Starting System : Recoil
Read more…
Sale Price
$49700
Regular: $650.00
You Save: $153.00
Honda 2.2HP 30-70GPM
Manufacturer: Koshin Pumps Dewatering High Pressure & Generators
Model Number: SEH-40HR Flat Roof Dewatering
Maximum Flow : 73 gallons/min
TDH (Head) Maximum @ 0GPM : 61 PSI
Head (TDH) Maximum @ 0GPM : 141 FT
GPM of Water @ 40 Ft. of Head : 70
GPM of Water @ 60 Ft. of Head : 60
GPM of Water @ 80 Ft. of Head : 35
GPM of Water @ 100 Ft. of Head : 30
HP Standard : 2.2 HP
Inlet Connection Type : MNPT
Inlet : 1.5 "
Outlet Connection Type : MNPT
Outlet : 1.5 "
Wetted Materials : CI
Wetted Materials : Aluminum
Elastomers : Buna-Nitrile
Motor : Gas Engine
Speed : 3450 RPM
Self Priming : 1
Suction Lift : 26 FT
Max Operating Temp : 120 °F
Viscosity : Cream 16.50 cp 100.00 ssu
Max. Particle Size : 0.125 "
Max Specific Gravity : 1 sp. gr.
Max. Particle Hardness : 3 MOH
Max. Volume of Suspended Solids : 5 %
Mechanical Seal Face : Carbon-ceramic
Mechanical Seal Type : Single
Impeller Mat'l / Type : Cast Iron, semi-open
Warranty : 2 Year/s
Applications : Contractor
Applications : Dewatering
Applications : Fire
Applications : Irrigation
Other : 16''x13''x18''
Low Oil Shutdown : Yes
Country of Origin : Japan
Duty : continuous
Drain Plug : yes
Port Rotation : yes
Read more…  
$60500
Robin Subaru 4-Cycle 4.3HP 9480GPH
Manufacturer: Koshin Pumps Dewatering High Pressure & Generators
Model Number: SE-50EX
Maximum Flow : 158 gallons/min
TDH (Head) Maximum @ 0GPM : 42 PSI
Head (TDH) Maximum @ 0GPM : 98 FT
GPM of Water @ 20 Ft. of Head : 140
GPM of Water @ 40 Ft. of Head : 105
GPM of Water @ 60 Ft. of Head : 85
GPM of Water @ 70 Ft. of Head : 75
GPM of Water @ 80 Ft. of Head : 50
HP Standard : 4.3 HP
Inlet Connection Type : MNPT
Inlet : 2 "
Outlet Connection Type : MNPT
Outlet : 2 "
Wetted Materials : CI
Wetted Materials : Aluminum
Elastomers : Buna-Nitrile
Motor : Gas Engine
Speed : 3450 RPM
Self Priming : 1
Suction Lift : 26 FT
Max Operating Temp : 120 °F
Viscosity : Vegetable Oil 34.60 cp 200.00
Max. Particle Size : 0.12 "
Max Specific Gravity : 1 sp. gr.
Max. Particle Hardness : 4 MOH
Max. Volume of Suspended Solids : 5 %
Mechanical Seal Face : Carbon-ceramic
Mechanical Seal Type : Single
Impeller Mat'l / Type : Cast Iron, semi-open
Warranty : 2 Year/s
Applications : Contractor
Applications : Dewatering
Applications : Fire
Applications : Irrigation
Applications : Portable
Applications : Self-Priming
Other : 19''x15''x17''<br> Subaru Ove
Low Oil Shutdown : Yes
Country of Origin : Japan
Duty : continuous
Drain Plug : yes
Run Time : 2Hrs
Fuel Tank Size : 0.71G
Starting System : Recoil
Engine Brand : Robin EX13
Read more…
Sale Price
$41500
Regular: $571.00
You Save: $156.00
Directional Drilling Fluid Pump
Manufacturer: Koshin Pumps Dewatering High Pressure & Generators
Model Number: SEM-50VDD
Maximum Flow : 125 gallons/min
TDH (Head) Maximum @ 0GPM : 71 PSI
Head (TDH) Maximum @ 0GPM : 164 FT
GPM of Water @ 50 Ft. of Head : 110
GPM of Water @ 100 Ft. of Head : 75
GPM of Water @ 150 Ft. of Head : 30
HP Standard : 4 HP
Inlet Connection Type : MNPT
Inlet : 2 "
Outlet Connection Type : MNPT
Outlet : 2 "
Wetted Materials : CI
Wetted Materials : Aluminum
Elastomers : Buna-Nitrile
Motor : Gas Engine
Speed : 3450 RPM
Self Priming : 1
Suction Lift : 26 FT
Max Operating Temp : 120 °F
Viscosity : Cream 16.50 cp 100.00 ssu
Max. Particle Size : 0.125 "
Max Specific Gravity : 1 sp. gr.
Max. Particle Hardness : 3 MOH
Max. Volume of Suspended Solids : 2 %
Mechanical Seal Face : Carbon-ceramic
Mechanical Seal Type : Single
Impeller Mat'l / Type : CI., semi-open
Warranty : 2 Year/s
Applications : Contractor
Applications : Fire
Applications : Irrigation
Other : 20''x15''x17''
Low Oil Shutdown : Yes
Country of Origin : Japan
Duty : continuous
Drain Plug : yes
Port Rotation : Yes
Read more…  
$121000
Honda GX160 5HP 7000GPH SERH-50B
Manufacturer: PumpBiz Pumps
Model Number: Pump-In-A-Bag ™
Maximum Flow : 125 gallons/min
TDH (Head) Maximum @ 0GPM : 81 PSI
Head (TDH) Maximum @ 0GPM : 187 FT
GPM of Water @ 60 Ft. of Head : 100
GPM of Water @ 100 Ft. of Head : 75
GPM of Water @ 150 Ft. of Head : 40
HP Standard : 5 HP
Inlet Connection Type : MNPT
Inlet : 2 "
Outlet Connection Type : MNPT
Outlet : 2 "
Wetted Materials : CI
Wetted Materials : Aluminum
Elastomers : Buna-Nitrile
Motor : Gas Engine
Speed : 3450 RPM
Self Priming : 1
Suction Lift : 26 FT
Max Operating Temp : 120 °F
Viscosity : Cream 16.50 cp 100.00 ssu
Max. Particle Size : 0.125 "
Max Specific Gravity : 1 sp. gr.
Max. Particle Hardness : 3 MOH
Max. Volume of Suspended Solids : 2 %
Mechanical Seal Face : Carbon-ceramic
Mechanical Seal Type : Single
Impeller Mat'l / Type : Alum., semi-open
Warranty : 1 Year/s
Applications : Contractor
Applications : Fire
Applications : Irrigation
Other : 20''x15''x17''
Low Oil Shutdown : Yes
Country of Origin : Japan
Duty : continuous
Drain Plug : yes
Port Rotation : Yes
Run Time : 2 Hrs
Fuel Tank Size : 0.95 Gal
Starting System : Recoil
Read more…  
$159900
4-Cycle 1HP 1800GPH
Manufacturer: PumpBiz Pumps
Model Number: Pump-In-A-Bag ™ FPK1
Maximum Flow : 30 gallons/min
TDH (Head) Maximum @ 0GPM : 47 PSI
Head (TDH) Maximum @ 0GPM : 106 FT
GPM of Water @ 20 Ft. of Head : 25
GPM of Water @ 40 Ft. of Head : 20
GPM of Water @ 60 Ft. of Head : 18
GPM of Water @ 80 Ft. of Head : 15
HP Standard : 1 HP
Inlet Connection Type : MNPT
Inlet : 1 "
Outlet Connection Type : MNPT
Outlet : 1 "
Wetted Materials : Aluminum
Elastomers : Buna-Nitrile
Motor : Gas Engine
Speed : 3450 RPM
Self Priming : 1
Suction Lift : 26 FT
Max Operating Temp : 120 °F
Viscosity : Milk 3.20 cp 40.00 ssu
Max. Particle Size : 0.06 "
Max. Particle Hardness : 3 MOH
Mechanical Seal Face : Carbon-ceramic
Mechanical Seal Type : Single
Impeller Mat'l / Type : aluminum, semi-open
Warranty : 1 Year/s
Applications : Contractor
Applications : Dewatering
Applications : Fire
Applications : Irrigation
Other : <p>EAN# 8018539 05721 3
Duty : continuous
Drain Plug : yes
Run Time : 1.2 Hrs
Fuel Tank Size : 0.15 Gal
Starting System : Recoil
Read more…  
$49900
Robin 4-Cycle 4.3HP 8876GPH
Manufacturer: Koshin Pumps Dewatering High Pressure & Generators
Model Number: PGH-50
Spring Special
Maximum Flow : 148 gallons/min
TDH (Head) Maximum @ 0GPM : 37 PSI
Head (TDH) Maximum @ 0GPM : 85 FT
GPM of Water @ 40 Ft. of Head : 118
GPM of Water @ 60 Ft. of Head : 92
GPM of Water @ 80 Ft. of Head : 33
HP Standard : 4.3 HP
Inlet Connection Type : FNPT
Inlet : 2 "
Outlet Connection Type : FNPT
Outlet : 2 "
Wetted Materials : Polyester
Elastomers : EPDM
Motor : Gas Engine
Speed : 3450 RPM
Self Priming : 1
Suction Lift : 26 FT
Max Operating Temp : 120 °F
Viscosity : Cream 16.50 cp 100.00 ssu
Max. Particle Size : 0.125 "
Max Specific Gravity : 1 sp. gr.
Max. Particle Hardness : 3 MOH
Max. Volume of Suspended Solids : 2 %
Mechanical Seal Face : Carbon-ceramic
Mechanical Seal Type : Single
Impeller Mat'l / Type : Thermoplastic, semi-open
Warranty : 1 Year/s
Applications : Contractor
Applications : Dewatering
Applications : Fire
Applications : Irrigation
Applications : Marine
Applications : Portable
Applications : Self-Priming
Other : 20''x15''x16''
Low Oil Shutdown : Yes
Country of Origin : Japan
Duty : continuous
Drain Plug : yes
Read more…
Sale Price
$46200
Regular: $550.00
You Save: $88.00
High pressure, Fire / Irrigation, Flooding, 4-Cycle
Manufacturer: Koshin Pumps Dewatering High Pressure & Generators
Model Number: SEH-40H
Spring Special
Maximum Flow : 73 gallons/min
TDH (Head) Maximum @ 0GPM : 61 PSI
Head (TDH) Maximum @ 0GPM : 141 FT
GPM of Water @ 40 Ft. of Head : 68
GPM of Water @ 60 Ft. of Head : 60
GPM of Water @ 80 Ft. of Head : 35
GPM of Water @ 100 Ft. of Head : 30
HP Standard : 2.2 HP
Inlet Connection Type : MNPT
Inlet : 1.5 "
Outlet Connection Type : MNPT
Outlet : 1.5 "
Wetted Materials : CI
Wetted Materials : Aluminum
Elastomers : Buna-Nitrile
Motor : Gas Engine
Speed : 3450 RPM
Self Priming : 1
Suction Lift : 26 FT
Max Operating Temp : 120 °F
Viscosity : Cream 16.50 cp 100.00 ssu
Max. Particle Size : 0.125 "
Max Specific Gravity : 1 sp. gr.
Max. Particle Hardness : 3 MOH
Max. Volume of Suspended Solids : 5 %
Mechanical Seal Face : Carbon-ceramic
Mechanical Seal Type : Single
Impeller Mat'l / Type : Cast Iron, semi-open
Warranty : 2 Year/s
Applications : Contractor
Applications : Dewatering
Applications : Fire
Applications : Irrigation
Other : 16''x13''x18''
Low Oil Shutdown : Yes
Country of Origin : Japan
Duty : continuous
Drain Plug : yes
Port Rotation : yes
Read more…
Sale Price
$49300
Regular: $605.00
You Save: $112.00
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