Honda Power Equipment WMP20


Honda Power Equipment



Key Features
  • Multi-purpose 2" pump
  • Designed for pumping industrial and agricultural chemicals
  • Easy starting Honda OHV commercial engine
  • 220 gal./min capacity
  • Thermoplastic pump housing for chemical capability
  • Designed for pumping industrial and agricultural chemicals: See the applications tab for approved chemical applications.
  • Easy starting Honda OHV commercial engine: The durable Honda GX series commercial grade engine is easy starting and provides ample power for the toughest conditions.
  • EPDM seals for chemical resistance: The WMP20 features EPDM seals, a type of rubber material that is designed to be compatible with a wide range of chemicals.
  • 220 gal./min capacity
  • Thermoplastic components for chemical capability: The WMP20's reinforced thermoplastic housing, volute & impeller improve chemical resistance.
  • Isolation mounted engine and pump: High performance mounts minimize vibration, keeping the pump from “walking" away or “burying" itself in soft soil conditions. The reduced vibration also reduces wear on components, increasing the pump's durability.
  • Heavy duty full frame protection: Protects the pump, while offering a convenient tie down location for transport.
  • Protected by Honda Oil Alert®: Protects the pump by shutting the engine off when low oil is detected.
  • 3 year residential/commercial warranty: You can rest easy, knowing your pump is covered from top to bottom for 3 full years.
  • Engine: GX160
  • Displacement: 163cc
  • Bore and stroke: 2.7 in. x 1.8 in.
  • Compression Ratio: 9.0:1
  • Oil Alert: Std
  • Pump type: Multi-purpose Centrifugal Self-priming
  • Volute: Rigid Mounted Fiberglass reinforced polyester
  • Impeller: Fiberglass reinforced polyester
  • Mechanical Seal (Pump case / impeller): Carbon/Ceramic
  • Priming time: 65 sec. @ 16.4 ft.
  • Drive system: Direct
  • Discharge capacity: 220 gpm
  • Suction port diameter: 2 in. NPT
  • Discharge port diameter: 2 in. NPT
  • Total head lift: 102 ft.
  • Suction head lift: 26 ft.
  • Maximum pressure: 44 psi
  • Solids handling: N/A
  • Dimensions (LxWxH): 20.5 in. x 15.7 in. x 17.7 in.
  • Dry weight: 57 lb.
  • Fuel Capacity: 0.82 gal.
  • Run Time @ Max Discharge: 1.5 hr
  • Strainer Part #: 78325-YE0-003
  • Residential Warranty: 3 years
  • Commercial Warranty: 3 years
  • A wide variety of hose kits, couplers, adaptors, and other accessories are available.
WARNING: This product can expose you to chemicals including soots, tars, and mineral oils, which are known to the State of California to cause cancer, and carbon monoxide, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to



Engine Type
Engine Manufacturer
Engine Displacement
Bore and Stroke
2.7 in. x 1.8 in.


Pump Style
Multi-purpose Centrifugal Self-priming
Fiberglass reinforced polyester
Drive System
Discharge Capacity
220 gpm
Discharge Port Diameter
2 in. NPT
Suction Diameter
2 in. NPT
Head Lift
102 ft.
Suction Head Lift
26 ft.
Max Pressure
44 psi
20.5 in. x 15.7 in. x 17.7 in.
57 lb.