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Koshin Semi-Trash Pump 4 inch Honda

  • Manufacturer:
  • Series (9 Models):
  • Product Name:
    Koshin Semi-Trash Pump 4 inch Honda
  • Model Number:
    SEH-100T STH-100X
Honda 4-Cycle 7HP 23,000GPH
Model Number
SEH-100T STH-100X
$2,016.30
Koshin 4" semi-trash sth-100

Koshin Semi-Trash Pump with Honda engine, Pump 4 inch. STH-100X (old SEH-100T seh-100x) All aluminum die cast pump housing, with Cast Iron impeller and volute for portability. Cast Iron impeller and volute are premium Spherodial Graphite Cast Iron. This provides much greater wear resistance than ordinary and less expensive plain cast iron. Koshin is the ONLY pump manufacturer to use this high grade material. Honda GX240 4-cycle engine so NO mixing gas. Use standard automotive gasoline.

Honda powered semi-trash pump for construction and industrial dewatering. Utilities, manhole and vault draining, marine, Landscape irrigation, mobile plant watering.

Honda engine is 242cc, 1.58 gal. gas tank providing 2.5 Hrs run time.

With great experience and over 40 years of tradition KOSHIN produces the highest quality water pumps. KOSHIN brand have been ranked no 1 in the world by numerous professionals.

Honda egine Includes low oil sensor. Sturdy steel roll cage included.

Able to withstand a small degree of solid particles, the semi-trash pumps work well in clear or slightly muddy water applications, as well as sandy water. Dewatering Pump popular on construction sites, agricultural sites or in rental applications. Semi-trash pumps to pass water containing particulate matter and small solid objects without clogging the passage. These self-priming construction pumps feature a tough silicone-carbide mechanical seal and a quick clean-out port for easy maintenance and long service life. Silicon carbide SiC seals are 2 times harder, 15% tougher, and 50% stronger than common ceramic seals.

Do not be fooled by imitation "industrial" pumps sold elsewhere. The pump quality is not the same and as with any pump parts will be needed and PumpBiz stocks parts to all the pumps we sell and support. These are the same pumps used by many rental stores, so they have proven themselves many times over. sth-100x

More Information
Model Number SEH-100T STH-100X
Series Semi-Trash Pump
Max Flow (GPM.) 383
Max Flow GPH 22980
TDH Maximum (Ft) 92
TDH Maximum (PSI) 40
Horse Power (HP) 7
Horsepower (IE .5, 1, 1.5, 20) 7.1000
Inlet Connection Type MNPT
inlet size 4"
Inlet (In.) 4
Outlet Connection Type MNPT
Outlet (In.) 4
Wetted Materials Aluminum, Ductile Iron
Elastomers / O-ring Buna-Nitrile
Motor Gas Engine
Speed (RPM.) 3450
Self Priming Yes
Suction Lift (FT.) 26
Max Operating Temperature (F) 120
Viscosity Cream 16.50 cp 100.00 ssu
Mechanical Seal Yes
Mechanical Seal Face SiC
Mechanical Seal Type Single
Other 26''x26''x20''. Seal kit SK004
Low Oil Shutdown Yes
Impeller Material Spherodial Graphite Cast Iron, semi-open
Duty Continuous
Drain Yes
Port Rotation Yes
Run Time (HR.) 2.5
Fuel Tank Size 1.39
Country of Manufacture Japan
Weight (Lbs) 135.000000
Engine Brand Honda
UPC 4971770125391
Warranty (YRS.) 3
GPM Of Water At 20 Feet Of Head 360
GPM Of Water At 40 Feet Of Head 310
GPM Of Water At 60 Feet Of Head 230
GPM Of Water At 70 Feet Of Head 200
GPM Of Water At 80 Feet Of Head 100
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Koshin pumps are the standard and known world wide in the contractor, rental, and portable pump markets as the brand to use. Most portable water pumps by Koshin feature Honda gas engines. Koshin manufactures a complete line of self priming centrifugal pumps for general transfer, high pressure and trash debris filled liquids. These pumps come in gas or diesel engine and single phase electric submersibles. Koshin is the most copied pump design coming out of China, but do not think they are the same. Use only the best, the original Koshin.

For over 70 years Koshin has continued to invest in new product testing and development. Koshin totally redesigned its production facilities in 2013 adding in house aluminum die casting, production automation, and state of the art process flow management. With a core philosophy of customer satisfaction, Koshin insures that each product off of its production line is of the finest quality. This is why we can proudly say that the performance specification found in this catalog are guaranteed minimum. This is often not the case with our competitors, who inflate actual performance values.

To further insure our valued customers that Koshin stands by our produces, we offer a 3 year limited warranty against manufactured defects. Our pumps are used and loved in 160 all over the world.

Koshin… the world’s toughest pump.