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NorthStar 15782020 - Spec Breakdown

The NorthStar 15782020 is a gas-powered pressure washer offering a maximum water pressure of 4000 PSI and flow of 3.5 GPM. (Read full specs)

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NorthStar 15782020 4000PSI Gas Pressure WasherNorthStar 15782020 4000PSI Gas Pressure WasherNorthStar 15782020 4000PSI Gas Pressure Washer

Features and Specifications

General
FuelGas-Powered
HandlingHand Truck
WaterCold (140°F max.)
PSI4000
GPM3.5
Cleaning Units14000
Engine389 cc 11.7 HP Honda GX390 OHV 4-stroke
PumpCAT 66DX Triplex
Features
FrameSteel
Soap injectionVia siphon hose
Soap dilution15:1
Nozzles0°, 15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose50 ft
Hose storageHooks
Misc
Dimensions
(L x W x H)
Approx. 34 x 21 x 38 in
Weight185 lbs
Pressure controlValve
Wheels2 wheels, ⌀15", pneumatic
Included accessoriesWand, spray gun, high pressure hose, soap hose, 5 nozzles
SecurityLow oil, trigger lock and thermal relief valve
EmissionsCARB, EPA
Warranty4 years

Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue.

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Description

This NorthStar Gas Cold Water Pressure Washer is designed to handle the most demanding professional and rental applications. A premium-quality CAT direct drive axial pump with ceramic plungers and a forged brass manifold provide superior performance and durability.

Zoom on the NorthStar 15782020

The NorthStar 15782020 is a heavy duty, commercial pressure washer, that provides its users with an all-around versatile cleaning experience, and enables:

  • spot cleaning of hard, paintless surfaces and reaching far-away areas
  • intense cleaning of hard, unpainted surfaces
  • cleaning of painted or delicate surfaces
  • applying detergent and cleaning solutions

Its power characteristics and design, its main features and all its additional features are presented ahead.

Power

The NorthStar 15782020 in use

The NorthStar 15782020

Its triplex pump, which utilizes a powerful 389 cc (11.7 hp) engine, may deliver a pressure of up to 4000 PSI (almost 67 times more than a standard garden hose) and a flow of up to 3.5 GPM. These values correspond to a cleaning power of 14000 Cleaning Units.

The Honda GX390 engine of this gas-powered pressure washer relies on an old-school pull-start mechanism to get started.

Gasoline is stored in a steel fuel tank with a maximum capacity of 1.6 gallon.

Design & Handling

The NorthStar 15782020 is very mobile, due to its hand truck design and approximate dimensions of L34 x W21 x H38 in. The robust and sturdy steel frame offers longevity to the assembly. The adds to the 15782020 convenience of transport.

With a weight of 185 lbs, the model is not lightweight. Therefore, it may be challenging to manually carry it around and transport it. Its 389 cc Honda GX390 engine, the triplex pump and steel frame add up to a large chunk of the device's weight. However, the device’s two 15" pneumatic wheels play a key role in its maneuverability, as they allow it to be manipulated smoothly.

Main Features

The NorthStar 15782020 in use

The NorthStar 15782020

The NorthStar 15782020's package includes a spray gun, a wand, a pressure hose, 5 nozzles and a detergent injection feature, with a more detailed description below.

  • Soap injection: Even though the device doesn't have a soap tank, detergent is supplied by a siphon hose. The NorthStar 15782020 includes an automatic soap dilution mechanism, which will dilute the detergent using a 15:1 ratio. When a soap nozzle is connected, the detergent will be added automatically to the water.
  • Pressure hose: Using a set of convenient hooks, the included 50 ft high-pressure hose can be easily stored on the unit when it is not running.
  • Spray gun and wand: The included classic ergonomic spray gun and its wand can be easily stored in a side hook.
  • Nozzles: The table below shows you the 5 included nozzles, as well as the surfaces they're the most appropriate for.
 


15°

25°

40°

Soap
Concrete, brick, masonryUse with cautionSuitableSuitableSuitableSuitable
Siding, gutters, houseNot recommendedUse with cautionUse with cautionSuitableSuitable
Fencing, deck, patioNot recommendedUse with cautionUse with cautionSuitableSuitable
Lawn equipment, boat, RVNot recommendedUse with cautionUse with cautionUse with cautionSuitable

Note: The shape of the nozzles above is for illustration purposes only and may differ.
Red cross: Not recommended. Green check: Suitable. Orange check: Use with caution.

Other Features

The specs of the NorthStar 15782020

The NorthStar 15782020

  • Onboard storage: The NorthStar 15782020 allows you to be always fully prepared, as it features a handy storage area, where nozzles and accessories can be stored.
  • Safety: Safety of operation is enhanced by a low oil protection, a thermal relief valve (which helps to prevent internal pump damage) and a trigger lock mechanism (which prevents accidental operation).
  • Accessories: On top of an owner's manual (opens in a new tab) and the usual documentation to get you swiftly started, the NorthStar 15782020 also comes with wand, pressure hose, spray gun and soap hose.
  • Emissions: The NorthStar 15782020 is EPA-approved and CARB-compliant. This means that this pressure washer can be bought and sold in each of the 50 states, including California.

Product Video

The NorthStar 15782020's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the NorthStar 15782020 compare to similarly priced pressure washers.

Note: Even though we couldn’t list its price on this page, our research indicates that some retailers sell this unit around $1450.

  • Able to deliver a maximum pressure of 4000 PSI, the NorthStar 15782020 is one of the gas-powered products that produce an above average water pressure, in the $1200 to $1600 price range. In case you are looking for a device with the highest possible power of its water stream, one of the top achievers in this price range is the ECHO PW-4200 with a PSI of 4200.
  • The achievable water flow of this washer, which reaches 3.5 GPM (gallons per minute) can be described as low, compared to other devices in its price range. If you’re after the highest rinsing efficiency, one of the units with the highest water flow in the current price range is the NorthStar 157130, that can deliver up to 5 GPM.
  • The 15782020 has 14000 Cleaning Units (PSI x GPM), which can be considered low in comparison to other gas-powered devices of this price. In case you are looking for the highest overall cleaning power, in this price range, one of the current champions is the ECHO PW-4200 and its 16800 Cleaning Units.

Price comparison

As you can see from this interactive chart, when compared to other gas-powered washers between 14000 and 14500 Cleaning Units, the NorthStar 15782020 is on the average side of the price range.

Therefore, this pressure washer nicely fits in the expected budget for this kind of cleaning power.

The bottom line

STRENGTHS:
  • In the expected price range
  • Triplex pump
  • Honda engine
  • Good range of nozzles included
  • Automatic detergent dilution
  • Onboard storage
  • Several security features
  • CARB-compliant
  • High PSI for the price
WEAKNESSES:
  • No soap tank
  • Low GPM for the price
  • Low CU for the price

Do you own the NorthStar 15782020 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

About NorthStar

The NorthStar brand of outdoor power equipment is owned and distributed by the Northern Tool company, which was founded in 1981 in Minnesota, USA. The brand includes log splitters, generators, pressure washers, and air compressors. Though many of the components are manufactured in Northern Tool’s factory in China, NorthStar pressure washers are engineered, assembled, and tested in America, and powered by Honda engines. They include hot water, cold water, and soft-wash systems, along with many accessories. NorthStar brand products make up a large percentage of Northern Tool's product line.

Warranty Information

The NorthStar 15782020 is covered under a warranty for up to 4 years. This warranty may be limited and may not cover all parts of the unit.
For more information about the warranty of NorthStar pressure washers, please contact the NorthStar Customer Support: 1-800-270-0810.

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