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NorthStar 157127 - 4200 PSI 3.5 GPM Gas Pressure Washer With Honda Engine

The NorthStar 157127 is a gas-powered pressure washer offering a maximum water pressure of 4200 PSI and flow of 3.5 GPM. (Read full specs)

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Set an alert for the NorthStar 157127 - Current lowest price: $1,499.99
Price History
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Price history for the NorthStar 157127
Latest updates:
  • $1,499.99 - November 19, 2023
  • $1,799.99 - November 9, 2023
Data source: ebay.com
Since: November 9, 2023
  • Highest Price: $1,799.99 - November 9, 2023
  • Lowest Price: $1,499.99 - November 19, 2023

Features and Specifications

General
FuelGas-Powered
HandlingHand Truck
WaterCold (140°F max.)
PSI4200
GPM3.5
Cleaning Units14700
Engine389cc 11.7 HP Honda GX390 OHV 4-stroke
PumpCAT 66DX35 Triplex
Features
FrameSteel tubing
Soap injectionVia siphon hose
Soap dilution15:1
Nozzles15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose50 ft, ⌀3/8
Hose storageHooks
Misc
Dimensions
(L x W x H)
Approx. 40.3 x 26 x 23.8 in
Weight145 lbs
Pressure controlValve
Wheels2 wheels, ⌀10", never flat
Included accessoriesWand, spray gun, high pressure hose, soap hose, 4 nozzles
SecurityLow oil, trigger lock and thermal relief valve
EmissionsCARB, EPA
Warranty10 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

Equipped with an industrial-grade Honda GX390 engine, this model provides quiet, reliable performance and durability for blasting through mud, dirt and debris faster and more easily at home or jobsites — great for lawn and garden equipment, heavy-duty machinery, driveways, parking lots, patios, office buildings and much more.

Zoom on the NorthStar 157127

In a nutshell, the NorthStar 157127 is a heavy duty, commercial pressure washer, which not only offers an all-around versatile cleaning experience, but that also allows:

  • intense cleaning of tough, paintless surfaces
  • cleaning of painted or delicate surfaces
  • use of detergent and cleaning solutions

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

Power

The NorthStar 157127 in use

The NorthStar 157127

With an impressive 389cc (11.7 hp) engine, its triplex pump delivers a pressure of 4200 PSI (roughly 70 times more than a standard garden hose) and a flow of up to 3.5 GPM (values claimed by the manufacturer), resulting in the NorthStar 157127's cleaning power of 14700 Cleaning Units.

A classic pull-start mechanism is responsible for starting the gas-powered pressure washer’s Honda GX390 engine.

A steel fuel tank with a maximum capacity of 1.5 gallon is used to store gasoline.

Design & Handling

The NorthStar 157127 offers superb mobility, with a hand truck design and approximate dimensions of L40.3 x W26 x H23.8 in. Its sturdy steel tubing frame provides longevity to the assembly. The handle adds to the 157127 convenience of transport.

The device weighs 145 lbs and thus, is far from lightweight. Transporting and manually lifting it may therefore pose a challenge. The main contributors to its weight are its 389cc Honda GX390 engine, the triplex pump and steel tubing frame. However, the device’s two 10" never-flat wheels play a key role in its maneuverability, as they allow it to be manipulated smoothly.

Main Features

The NorthStar 157127 in use

The NorthStar 157127

The NorthStar 157127's package includes a spray gun, a wand, a pressure hose, 4 nozzles and a detergent injection feature, with a more detailed description below.

  • Soap injection: While the device doesn't feature a soap tank, detergent supply is ensured by a siphon hose. The NorthStar 157127 has an automatic soap dilution mechanism, which dilutes the detergent using a 15:1 ratio. The detergent will be added automatically to the water when a soap nozzle is attached.
  • Pressure hose: The included 50 ft ⌀3/8" high-pressure hose can be neatly stored on the unit when idle thanks to a set of convenient hooks.
  • Spray gun and wand: A side hook allows for an easy storage of the included classic ergonomic spray gun and its wand.
  • Nozzles: The 4 included nozzles, and the respective surfaces they’re appropriate for, are listed in the table below.

15°

25°

40°

Soap
Concrete, brick, masonrySuitableSuitableSuitableSuitable
Siding, gutters, houseUse with cautionUse with cautionSuitableSuitable
Fencing, deck, patioUse with cautionUse with cautionSuitableSuitable
Lawn equipment, boat, RVUse 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

Some of the accessories of the NorthStar 157127

Some of the included accessories

  • Onboard storage: The NorthStar 157127's handy storage area lets you store nozzles and accessories, and thus, you’ll be always prepared and have everything necessary for the job at hand.
  • Safety: Safety of operation is enhanced by a low oil protection, a trigger lock mechanism (which prevents accidental operation) and a thermal relief valve (which helps to prevent internal pump damage).
  • Accessories: The NorthStar 157127 comes with an owner's manual (opens in a new tab) and some basic documentation to get you quickly started. On top of that, you also get spray gun, soap hose, pressure hose and wand.
  • Emissions: The NorthStar 157127 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 157127's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the NorthStar 157127 compare to similarly priced pressure washers.

  • The NorthStar 157127, with a max water pressure of 4200 PSI, has one of the higher PSI values of the gas-powered products in the $1200-1500 price range. If the highest possible power of the water stream is your priority, one of the champions in this price range is the Lifan LFQ4515E-Elite with 4500 PSI.
  • When compared to devices in the above-mentioned price range, this washer and its 3.5 GPM (gallons per minute), is on the lower end of the achievable water flow. If being able to rinse away debris as efficiently as possible is your priority, one of the products with the highest GPM in this price range is the DeWalt DXPW4440, with 4 GPM.
  • As the 157127 has a total of 14700 Cleaning Units (PSI X GPM), it finds itself in the average cleaning efficiency range for similarly priced gas-powered units. If you are after the highest overall cleaning power, the Lifan LFQ4515E-Elite with its 18000 Cleaning Units is one of the products that can achieve the highest cleaning efficiency in this price range.

Price comparison

As you can see from this interactive chart, when compared to other gas-powered washers between 14000 and 15500 Cleaning Units, the NorthStar 157127 is on the expensive side of the price range.

While certainly not the cheapest of its cleaning power range, purchasing it could most likely also mean enjoying the reliability of a high-end product.

The bottom line

STRENGTHS:
  • Triplex pump
  • Honda engine
  • Good range of nozzles included
  • Automatic detergent dilution
  • Onboard storage
  • Several security features
  • CARB-compliant
  • 10 year (limited) warranty
  • High PSI for the price
AVERAGE SPECS:
  • Decent CU for the price
WEAKNESSES:
  • On the expensive side
  • No soap tank
  • Low GPM for the price

Do you own the NorthStar 157127 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 157127 is covered under a warranty for up to 10 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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