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Powerhorse Gas Cold Water Pressure Washer, 4400 PSI, 4.2 GPM

Item# 115179
Powerhorse Gas Cold Water Pressure Washer, 4400 PSI, 4.2 GPM

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Powerhorse Gas Cold Water Pressure Washer, 4400 PSI, 4.2 GPM

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$999.99

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  • 4,400 PSI, 4.2 GPM Cleaning Performance: Combines powerful pressure with high water flow to quickly remove dirt, grime, mildew and other buildup
  • Powerhorse DH420 Gas Engine: 420cc engine delivers dependable power and 23 ft./lbs. gross torque for demanding cleaning applications
  • NorthStar Direct Drive Pump: Triplex pump features ceramic-coated plungers for improved durability and service life
  • Portable Wheeled Design: Pull-up-style cart design includes pneumatic tires, 50ft. braided hose, spray gun with 4ft. lance and (4) quick-connect nozzles
  • Integrated Detergent Tank: Allows convenient application of pressure washer chemicals for enhanced cleaning performance

See full description

Step Up to Hot for Pro Results

Powerhorse Hot Water Pressure Washer
Cleans Grease + Grime 2x Faster

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Complete Your Solution

  • Powerhorse Gas Cold Water Pressure Washer, 4400 PSI, 4.2 GPM
  • NorthStar Rotating Pressure Washer Turbo Nozzle, 4.0 Orifice, 3000-5100 PSI, Model# NYR51K40BP
  • Powerhorse Pressure Washer Surface Cleaner, 16in. Dia., 3500 PSI, 5 GPM
  • Honda Power Equipment 10W-30 Motor Oil, 1-Qt. Bottle
Price for all four:

$1390.96

Frequently Bought Together

  • Description

  • Key Specs

  • Reviews

  • Q & A

  • Accessories

  • Warranty

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Product Summary

The Powerhorse Gas Cold Water Pressure Washer is built for users who need maximum cold water cleaning performance. Producing 4,400 PSI and 4.2 GPM, it delivers the power and water flow required to clean large surfaces faster while removing stubborn dirt, mud, grease and grime from driveways, heavy equipment, trailers, farm machinery, buildings and commercial vehicles. Powered by a 420cc OHV engine, this pressure washer provides dependable performance for demanding cleaning jobs. A commercial-grade triplex pump delivers smooth, consistent pressure and is rebuildable for extended service life, while the downstream detergent injection system enhances cleaning performance without exposing the pump to concentrated chemicals. Complete with a commercial spray gun, steel lance, high-pressure hose and quick-connect nozzles, the Powerhorse Gas Cold Water Pressure Washer is engineered to provide professional-grade cleaning performance for contractors, farmers, property owners and commercial users.

What's Included

    (1) Powerhorse Gas Cold Water Pressure Washer (4) Quick-connect nozzles: 15°, 25°, 40° and detergent (1) 50ft. x 3/8in. steel braided rubber hose (1) Rear entry spray gun with lance

Downloads

Product Manual
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UNRIVALED CLEANING EFFICIENCY

Engineered to tackle the most challenging cleaning tasks, this pressure washer’s POWERFUL ENGINE and HIGH PSI OUTPUT ensure quick and thorough cleaning, making it ideal for both RESIDENTIAL and COMMERCIAL APPLICATIONS


BUILT FOR THE LONG HAUL

The DURABILITY of the TRIPLEX PUMP, coupled with ceramic-coated plungers, means this machine is designed to withstand rigorous use, ensuring years of dependable service


MOBILITY MEETS STABILITY

Its ANTI-DUMPING DESIGN and pneumatic tires provide SMOOTH TRANSPORTATION over uneven terrain, while the robust cart design offers stability during use, preventing tipping


VERSATILE CLEANING SOLUTIONS

With the inclusion of an ONBOARD SOAP tank and a variety of NOZZLES, this pressure washer adapts to any cleaning situation, from gentle washing to removing ingrained dirt and grime


EXTENDED REACH

The 50 FOOT REINFORCED HOSE offers EXTENSIVE REACH, allowing for EFFICIENT CLEANING over large areas without the need to constantly move the unit, enhancing productivity and ease of use

Features + Benefits

  • 4,400 PSI, 4.2 GPM Cleaning Performance: Combines powerful pressure with high water flow to quickly remove dirt, grime, mildew and other buildup
  • Powerhorse DH420 Gas Engine: 420cc engine delivers dependable power and 23 ft./lbs. gross torque for demanding cleaning applications
  • NorthStar Direct Drive Pump: Triplex pump features ceramic-coated plungers for improved durability and service life
  • Portable Wheeled Design: Pull-up-style cart design includes pneumatic tires, 50ft. braided hose, spray gun with 4ft. lance and (4) quick-connect nozzles
  • Integrated Detergent Tank: Allows convenient application of pressure washer chemicals for enhanced cleaning performance
  • Integrated Safety Features: Includes thermal protection and low oil shutdown
  • EPA and CARB Compliant: For safety and emissions standards

Key Specs

AttributeSpecification

item#

115179

Brand

Powerhorse

Manufacturer's Warranty

2 year limited warranty

Ship Weight

152.0 LB

Pressure

4,400 PSI

Flow

4.2 GPM

Engine Brand

Powerhorse

Engine Model

DH420

Engine Displacement

420 cc

Fuel Type

Gasoline

Pump

Triplex

Drive Style

Direct

CARB Compliant

No

Number of Tips Included

4

Adjustable Pressure

Yes

Gross Torque

23 ft-lbs.

Start Type

Recoil

Engine Oil Included

No
AttributeSpecification

Engine Oil Type

SAE 10W-30

Fuel Capacity

1.72 Gal

Max. Inlet Water Temp

104 °F

Max. Outlet Water Temp

104 °F

Orifice Size

4

Chemical Injector

Yes

Hose Length

50 ft

Coupler Size

3/8 in

Wheel Diameter

12 in

Nozzle Type

15, 25, 40 and Soap

Quick Connect Nozzle

Yes

Pump Oil Included

Yes

Pump Oil Type

SAE 85W-90

Low Oil Shutdown

Yes

Thermal Protector

Yes

Product Weight

159.4000 lb

Dimensions L x W x H (in.)

38.0 x 24.75 x 30.0 in

Reviews

Questions & Answers

53 Reviews This action will navigate to reviews.

Questions

1–10 of 18 Questions  
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  1. Where can I get a replacement carburetor

    1 answer

    1. The carburetor kit, part #806066, is offered through our sister company, Jacks Small Engines. Please visit www.JacksSmallEngines.com for pricing and availability.

      Helpful?

  2. What is the psi range of the pressure adjustment knob?

    1 answer

    1. The pressure adjustment range is 0–3,760 PSI. The minimum pressure is 0 PSI. If the user continues turning the knob in the decreasing direction beyond the minimum setting, the knob cap will come off. Once the knob cap is removed, there will be no water output pressure.

      Helpful?

  3. What kind of oil does it use.for engine

    1 answer

    1. This pressure washer uses SAE 10W-30 engine oil.

      Helpful?

  4. does it have a bypass unloader

    1 answer

    1. The pressure washer will have an unloader valve. It is not recommended to alter the unloader valve's maximum pressure. Excess pressure can cause serious injury to the user and damage the machine. Any alteration other than turning the adjustment knob will void the manufacturer warranty.

      Helpful?

  5. i need a cover for my pressure washer 4400 PSI UNIT

    1 answer

    1. At this time, we do not have a cover that will fit this pressure washer.

      Helpful?

  6. Can you use bleach in this pressure washer?

    1 answer

    1. The chemical injector of this pressure washer is not rated for use with bleach.

      Helpful?

  7. what is the weight of this unit?

    1 answer

    1. This pressure washer weighs 142 lbs.

      Helpful?

  8. How was the 4400 psi determined? Is that working load? Instantaneous load? Max load? What is the working load psi variables with the different nozzles? 

    1 answer

    1. The 4400 PSI pressure rating represents the maximum pressure measured directly at the pump head, before the unloader, under ideal conditions. All included nozzles have the same orifice size, so the pressure (PSI) remains consistent across them; they simply produce different spray angles. This pressure washer comes with 15°, 25°, and 40° fan-pattern nozzles.

      Helpful?

  9. warranty

    1 answer

    1. The pressure washer will come with a 2 year limited warranty for consumer usage or a 90 day limited warranty for commercial usage.

      Helpful?

  10. Where is this machine made?

    1 answer

    1. This Powerhorse pressure washer is manufactured to Northern Tool's specifications in China.

      Helpful?

Accessories We Recommend

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Reg $144.99Save $29.00

Order today to get this price.

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Honda Power Equipment 10W-30 Motor Oil, 1-Qt. Bottle
4.9 out of 5 stars. 184 reviews

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See Sale Price in Cart

Reg $12.99

Warranty

Manufacturer's Warranty

2 year limited warranty

Extend Your Warranty Coverage with a Northern Protection Plan (NPP)

Repair Plan — 1 Year

A Northern Protection Plan is available after adding the product to your shopping cart.

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This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.

Powerhorse Gas Cold Water Pressure Washer, 4400 PSI, 4.2 GPM
4.5 out of 5 stars. 53 reviews

Powerhorse Gas Cold Water Pressure Washer, 4400 PSI, 4.2 GPM

Item # 115179

$999.99