Spec Sheet

7
KOSHINAMERICA.COM
7
HIGH PRESSURE PUMPS
• Powerful Honda and Koshin OHV engines
with low oil sensors.
• Silicon carbide mechanical seals. Increased
abrasive resistance, longer life, less
maintenance.
• Impeller and volute manufactured from
Spherodial Graphite cast iron for longer life,
less maintenance.
• Light weight die cast aluminum casing.
• Full roll cage protects pump and engine
with vibration isolators.
• Strainer and wrench standard.
GASOLINE ENGINE SEMI-TRASH PUMPS
Outstanding Features
STH-50X
STV-80X
SEH-100T
SEMI-TRASH PUMPS
Performance Curve
Specifications
STH-50X STV-50X STH-80X STV-80X SEH-100T
Suction Discharge Size
2"NPT 2"NPT 3"NPT 3"NPT 4"NPT
Maximum Capacity
158 GPM 164 GPM 238 GPM 277 GPM 383GPM
Maximum Head
95' 82' 85' 82' 92'
Maximum Suction Lift
26' 26' 26' 26' 26'
Maximum Pressure
41.1 PSI 35.5 PSI 36.8 PSI 35.5 PSI 39.8 PSI
Engine Type
Honda
GX120
KOSHIN
K180
Honda
GX160
KOSHIN
K180
Honda
GX240
Displacement
118 cc 180 cc 163 cc 180 cc 242 cc
Horsepower
3.5 HP 6.0 HP 4.8 HP 6.0 HP 7.1HP
Fuel Tank Capacity
0.86 Gal 0.95 Gal 0.95 Gal 0.95 Gal 1.58 Gal
Continuous Operation
Time Per Tank
2.5 Hrs 2.0 Hrs 2.5 Hrs 1.6 Hrs 2.5 Hrs
Fuel
Unleaded Automotive Gasoline
Dimension (LxWxH)
18"x14"x15" 16"x20"x17" 20"x15"x17" 21"x17"x19" 26"x26"x20"
Dry Weight
56 Lb 58 Lb 75 Lb 70 Lb 135 Lb
Note: Performance ratings are guaranteed minimum, not inflated maximum.
  
STV-80X
STV-50X
STH-50X
STH-80X
0 100 200 300 400
CAPACITY (GPM)
DELIVERY HEAD (FT)
100
80
60
40
20