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NorthStar 157127 Spec Review

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: $1,379.99
Price History
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Price history for the NorthStar 157127
Latest updates:
  • $1,379.99 - March 4, 2021
  • $1,449.99 - February 8, 2021
  • $1,379.99 - January 21, 2021
  • $1,449.99 - December 24, 2020
  • $1,299.99 - December 3, 2020
Data source: northerntool.com
Since: December 3, 2020
  • Highest Price: $1,449.99 - December 24, 2020
  • Lowest Price: $1,299.99 - December 3, 2020

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

The NorthStar 157127, a heavy duty, commercial pressure washer, gives its user an all-around versatile cleaning experience, topped off by the following features:

  • intense cleaning of hard, unpainted 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 389 cc (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.

The Honda GX390 engine of this gas-powered pressure washer gets started by a classic pull-start mechanism.

The fuel is stored in a steel tank, which can hold up to 1.5 gallon of gasoline.

Design & Handling

The NorthStar 157127 is very mobile, due to its hand truck design and approximate dimensions of L40.3 x W26 x H23.8 in. The robust and sturdy steel tubing frame offers longevity to the assembly. The handle adds to the 157127 convenience of transport.

This model weighs 145 lbs. For this reason, it cannot be called lightweight and thus, carrying and transporting it might be somewhat challenging. The main contributor to its weight are its 389 cc Honda GX390 engine, the triplex pump and steel tubing frame. However, the unit is mobile thanks to its two 10" never-flat wheels, which add to its movability and allow it to be manipulated smoothly on the job.

Main Features

The NorthStar 157127 in use

The NorthStar 157127

Along with the NorthStar 157127 itself, the package also includes a spray gun, a wand, a pressure hose, 4 nozzles and a detergent injection feature, which are discussed in further detail below.

  • Soap injection: While the device doesn't feature a soap tank, detergent supply is ensured by a siphon hose. The detergent is diluted with a 15:1 ratio by the NorthStar 157127's automatic soap dilution mechanism. The detergent will be added automatically to the water when a soap nozzle is attached.
  • Pressure hose: A neat storage for the included 50 ft ⌀3/8" high-pressure hose is facilitated by a set of convenient hooks.
  • Spray gun and wand: Both the classic ergonomic spray gun and its wand may be conveniently stored in a side hook.
  • 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 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 trigger lock mechanism (which prevents accidental operation), a thermal relief valve (which helps to prevent internal pump damage) and a low oil protection.
  • Accessories: Included with the NorthStar 157127 are also the owner's manual (opens in a new tab) and some basic documentation to get you promptly started, along with several accessories, such as wand, spray gun, soap hose and pressure hose.
  • Emissions: The NorthStar 157127 is EPA-approved and CARB-compliant. Thus, selling and purchasing this pressure washer is allowed 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.

  • With 4200 PSI, the NorthStar 157127 ranks as one that can reach an above average pressure, amongst the gas-powered products that cost between $1200 and $1600. 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 Lifan LFQ4515E-Elite with a PSI of 4500.
  • This washer, with a GPM of 3.5 (gallons per minute) has a somewhat lower water flow value compared to devices in its price range. If rinsing away debris most efficiently is your priority, one of the devices with the highest GPM in this price range is the NorthStar 157160, which can reach up to 5 GPM.
  • Amongst similarly priced gas-powered devices, the 14700 Cleaning Units (PSI x GPM) of the 157127 rank as low. In case you are looking for the highest overall cleaning power, in this price range, one of the current champions is the Lifan LFQ4515E-Elite and its 18000 Cleaning Units.

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 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
  • 10 year (limited) warranty
  • High PSI for the price
WEAKNESSES:
  • No soap tank
  • Low GPM for the price
  • Low CU 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.

Features and Specifications

General
FuelGas-Powered
HandlingHand Truck
WaterCold (140°F max.)
PSI4200
GPM3.5
Cleaning Units14700
Engine389 cc 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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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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