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Dewalt PD422MHI005 4200 Watt Commercial Generator

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The DeWalt PD422MHI005 is designed with the professional contractor or rental operator in mind. This unit is powered by a 270 cc Honda GX270 manual start OHV engine with auto shut off for low oil. The premium alternator provides low harmonic distortion. The large 7 gal. tank with fuel gauge runs up to 15 hours at 50% load. Features include a hydraulic/magnetic circuit breaker that provides overload protection, a digital hour meter for monitoring run time and tracking maintenance and an idle control to reduce noise and save fuel. The steel frame is job site tested and includes a lifting hook. An optional wheel kit is available.

Alternate Part # DXGN4500

SKU: PD422MHI005

Availability: In stock


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  • Premium alternator provides low total harmonic distortion
  • Large long run metal fuel tank with fuel gauge
  • Job site tested steel frame with lifting hook
  • Idle control reduces noise and saves fuel
  • Full power switch with two modes of operation - full available 120V only power or simultaneous 120/240V
  • Digital hour meter for monitoring run time and tracking maintenance
  • Broad selection of receptacles including GFCI and twistlock
  • Hydraulic/ Magnetic circuit breaker provides overload protection
  • EPA, CSA and Carb Compliant
  • Optional wheel kit available

Compliance and Restrictions.

Warning: Cancer and Birth Defect/Reproductive Harm -- www.P65Warnings.ca.gov/product



Max AC Output 4500Watts
Rated AC Output 4200Watts
Max Current (120V/240V) 35Amps
Alternator Type brushless
Rated Current (120V/240V) 17.5Amps
Fuel Tank Capacity 7gal
Engine Type Honda GX270
120V GFCI Receptacles (20 A) 2
120V Twist Locking Receptacle (20 A) 1
120V/240V Twist Locking Receptacle (20 A) 1
Decibel, idle up (calculated 7 yards from unit)    76dBA
Run-Time [@ 50% Maximum Output] 15hrs
Starting System recoil
Tool Length 28.2"
Tool Width 21.3"
Tool Height 24.1"
Dry Weight 160lbs
Shipping Weight 170lbs

More Info


Product Information PDFs
Spec List Product Sheet


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