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NorthStar 157123 Spec Review

The NorthStar 157123 is a gas-powered pressure washer offering a maximum water pressure of 3300 PSI and flow of 2.5 GPM. (Read full specs)

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NorthStar 157123 3300PSI Gas Pressure Washer
NorthStar 157123 3300PSI Gas Pressure Washer
NorthStar 157123 3300PSI Gas Pressure Washer
NorthStar 157123 3300PSI Gas Pressure Washer
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Description

Equipped with a Honda GX200 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 157123

The NorthStar 157123, a heavy duty, commercial pressure washer, gives its user an all-around versatile cleaning experience, topped off by the following features:

  • intense cleaning of tough, paintless surfaces
  • cleaning of painted and frail surfaces
  • application of detergent and cleaning solutions

The following sections will present you in detail its power characteristics and design, its main features and all the additional features it has to offer.

Power

The NorthStar 157123 in use

The NorthStar 157123

The NorthStar 157123's triplex pump, powered by a 193 cc (6.5 hp) engine, can provide a pressure of up to 3300 PSI (approximately 55 times more than a standard garden hose) and a flow of up to 2.5 GPM (values claimed by the manufacturer). The NorthStar 157123 thus has a cleaning power of 8250 Cleaning Units.

The Honda GX200 engine of this gas-powered pressure washer gets started by a classic pull-start mechanism.

Gasoline is stored in a steel fuel tank with a maximum capacity of 0.8 gallon.

Design & Handling

The wheelbarrow design of the NorthStar 157123 grants mobility and stability to the unit. The strong steel frame assures assembly longevity. The handle adds to the 157123 convenience of transport.

The device weighs 95 lbs and thus, is far from lightweight. Transporting and manually lifting it may therefore pose a challenge. The main contributor to its weight are its 193 cc Honda GX200 engine, the triplex pump and steel frame. However, its two 10" never-flat wheels play an important part in its maneuvrability, as they allow for a smooth manipulation on the job.

Main Features

The NorthStar 157123 in use

The NorthStar 157123

The NorthStar 157123 comes with a spray gun, a wand, a pressure hose, 4 nozzles and a detergent injection feature, which are detailed below.

  • Soap injection: Even though the device doesn't have a soap tank, detergent is supplied by a siphon hose. The NorthStar 157123 has an automatic soap dilution mechanism, which dilutes the detergent using a 15:1 ratio. If a soap nozzle is attached, the device will proceed to add the detergent to the water automatically.
  • 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 following table illustrates the 4 included nozzles, along with the surfaces which they are the most suitable for.
 

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 157123

Some of the included accessories

  • Onboard storage: The NorthStar 157123 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: Besides the usual owner's manual (opens in a new tab) and documentation to get you promptly started, the NorthStar 157123 comes with wand, pressure hose, spray gun and soap hose.
  • Emissions: The NorthStar 157123 is EPA-approved and CARB-compliant. Therefore, the sale and purchase of this pressure washer is permitted in all of the 50 states, including California.

Product Video

The NorthStar 157123's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the NorthStar 157123 compare to similarly priced pressure washers.

  • The NorthStar 157123 with its 3300 PSI achieves a lower pressure value, compared to other gas-powered pressure washers in the $700-800 price range. As for the device with the most powerful water stream, in this price range, one of the top products is the Pressure-Pro PP4440K with 4400 PSI.
  • The achievable water flow of this washer, which reaches 2.5 GPM (gallons per minute) can be described as low, compared to other devices in its price range. If maximum rinsing efficiency is your top priority, one of the devices with the highest water flow in the same price range is the Generac 6565, with a GPM of 4.
  • Amongst similarly priced gas-powered devices, the 8250 Cleaning Units (PSI x GPM) of the 157123 rank as low. If you consider the highest overall cleaning power as a really important factor, the Pressure-Pro PP4440K and its 17600 Cleaning Units has one of the highest cleaning efficiency of all the similarly priced units.

Price comparison

As you can see from this interactive chart, when compared to other gas-powered washers between 8000 and 8500 Cleaning Units, the NorthStar 157123 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
  • Designed to be stable
  • Good range of nozzles included
  • Automatic detergent dilution
  • Onboard storage
  • Several security features
  • CARB-compliant
  • 10 year (limited) warranty
WEAKNESSES:
  • On the expensive side
  • No electric start
  • No soap tank
  • Low PSI for the price
  • Low GPM for the price
  • Low CU for the price

Do you own the NorthStar 157123 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
FuelGas-Powered
HandlingWheelbarrow
WaterCold (140°F max.)
PSI3300
GPM2.5
Cleaning Units8250
Engine193 cc 6.5 HP Honda GX200 OHV 4-stroke
PumpCAT 4DNX Triplex
Features
FrameSteel
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
Weight95 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.

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 157123 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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