Honda Construction Pumps Specifications
CONSTRUCTION
.
WT20
WT30
WT40
WDP20
WDP30
Honda 4-stroke, Single Cylinder, Air Cooled Engine
GX160
5.5 HP OHV
GX240
8.0 HP OHV
GX340
11.0 HP OHV
GX120
4.0 HP OHV
GX120
4.0 HP OHV
Displacement
163 cc
242 cc
337 cc
118 cc
118 cc
Bore and Stroke
2.7" x 1.8"
2.9" x 2.3"
3.2" x 2.5"
2.4" x 1.7"
2.4" x 1.7"
Compression Ratio
8.5:1
8.2:1
8.0:1
8.5:1
8.5:1
Oil Alert
X
X
X
X
X
Pump Type
Trash Centrifugal Self-priming
Trash Centrifugal Self-priming
Trash Centrifugal Self-priming
Diaphragm Self-priming
Diaphragm Self-priming
Volute
Rigid Mounted Cast Iron w/ Stainless Wear Plate
Rigid Mounted Cast Iron w/ Stainless Wear Plate
Rigid Mounted Cast Iron w/ Stainless Wear Plate
N/A
N/A
Impeller
Conical Cast Iron
Conical Cast Iron
Conical Cast Iron
N/A
N/A
Mechanical Seal (Pump Case/Impeller)
Silicone Carbide / Silicone Carbide
Silicone Carbide / Silicone Carbide
Silicone Carbide / Silicone Carbide
N/A
N/A
Priming Time
70 sec. @ 16.4 ft.
100 sec. @ 16.4 ft.
160 sec. @ 16.4 ft.
20 sec. at 20.0 ft.
20 sec. at 20.0 ft.
Drive System
Direct
Direct
Direct
Direct
Direct
Discharge Capacity
187 gal./min.
319 gal./min.
433 gal./min.
60 gals./min.
80 gals./min.
Suction Port Diameter
2"
3"
4"
2" NPT
3" NPT
Discharge Port Diameter
2"
3"
4"
2" NPT
3" NPT
Total Head Lift
98 ft.
89 ft.
85 ft.
50 ft.
50 ft.
Suction Head Lift
26 ft.
26 ft.
26 ft.
21 ft.*
24 ft.**
Maximum Pressure
42 psi
39 psi
37 psi
N/A
N/A
Solids Handling
13/16 inches
1 1/16 inches
1 1/16 inches
1.8"
2.4"
Dimensions (L x W x H)
24.4 x 18.1 x 18.3
26.0 x 19.5 x 20.3
28.9 x 21.1 x 22.2
32.5" x 23.4" x 25.0"
32.5" x 23.4" x 25.0"
Dry Weight
104 lbs.
132 lbs.
172 lbs.
120.0 lbs.
120.0 lbs.
Strainer Part #
78325-YB8-003
78325-YB9-003
78325-YD4-003
M51-0000-078
M51-0000-080

* 14 ft dry, 21 ft primed
** 16 ft dry, 24 ft primed
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