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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: $1,399.99
Price History
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Price history for the NorthStar 157127
Latest updates:
  • $1,399.99 - September 9, 2021
  • $1,499.99 - August 12, 2021
  • $1,479.99 - August 5, 2021
  • $1,399.99 - July 29, 2021
  • $1,499.99 - June 24, 2021
  • $1,479.99 - June 3, 2021
  • $1,379.99 - April 8, 2021
Data source: northerntool.com
Since: April 8, 2021
  • Highest Price: $1,499.99 - June 24, 2021
  • Lowest Price: $1,379.99 - April 8, 2021

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 summary, the NorthStar 157127 is a heavy duty, commercial pressure washer, that offers an all-around versatile cleaning experience, and also:

  • intense cleaning of tough, paintless surfaces
  • cleaning of painted and frail 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

Powered by a powerful 389 cc (11.7 hp) engine, its triplex pump can deliver a pressure of 4200 PSI (around 70 times more than a standard garden hose) and a flow of up to 3.5 GPM (values claimed by the manufacturer). Combined, these values mean that the NorthStar 157127 has a cleaning power of 14700 Cleaning Units.

This gas-powered pressure washer’s Honda GX390 engine is started by a traditional pull-start mechanism.

Gasoline is stored in a steel fuel tank with a maximum capacity of 1.5 gallon.

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 strong steel tubing frame assures assembly longevity. The handle adds to the 157127 convenience of transport.

The unit's weight of 145 lbs renders its carrying and transportation challenging, as it is far from lightweight. 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 automatic soap dilution mechanism of the NorthStar 157127 will dilute the detergent with a 15:1 ratio. The detergent will be added automatically to the water when a soap nozzle is attached.
  • Pressure hose: The 50 ft ⌀3/8" high-pressure hose, which is included with the device, can be stored neatly on the unit itself when idle, using a set of convenient hooks.
  • Spray gun and wand: A side hook enables you to easily store 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: Stay prepared for any job with NorthStar 157127's handy storage area, which allows you to neatly store any nozzles and accessories which you may need for the job.
  • 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: Besides the usual owner's manual (opens in a new tab) and documentation to get you promptly started, the NorthStar 157127 comes with wand, pressure hose, soap hose and spray gun.
  • Emissions: The NorthStar 157127 is EPA-approved and CARB-compliant. And so, this pressure washer is available for sale and purchase in any 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 a maximum pressure output of 4200 PSI, the NorthStar 157127 finds itself in the expected pressure range among gas-powered units that cost between $1100 and $1500. If the highest possible power of the water stream is your priority, one of the champions in this price range is the Lifan LFQ4515E-CA with 4500 PSI.
  • 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 DeWalt DXPW4440, which can reach up to 4 GPM.
  • The 157127 ranks as below average in terms of Cleaning Units, compared to gas-powered devices in its price range, reaching only a value of 14700 CU (PSI x GPM). If the highest overall cleaning power is your top priority, the Lifan LFQ4515E-CA, which can reach up to 18000 Cleaning Units, is one of the most efficient of the devices in the current 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 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
AVERAGE SPECS:
  • Decent 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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