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NorthStar 157122 - Spec Breakdown

The NorthStar 157122 is a gas-powered pressure washer offering a maximum water pressure of 3100 PSI and flow of 2.5 GPM. (Read full specs)

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Set an alert for the NorthStar 157122 - Current lowest price: $849.99
Price History
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Price history for the NorthStar 157122
Latest updates:
  • $849.99 - September 30, 2022
  • $899.99 - August 4, 2022
  • $799.99 - July 1, 2022
  • $899.99 - June 28, 2022
  • $799.99 - June 28, 2022
  • $899.99 - June 21, 2022
  • $849.99 - June 18, 2022
  • $799.99 - May 14, 2022
Data source: northerntool.com
Since: April 26, 2022
  • Highest Price: $969.99 - April 26, 2022
  • Lowest Price: $699.99 - May 1, 2022

Features and Specifications

General
FuelGas-Powered
HandlingWheelbarrow
WaterCold (140°F max.)
PSI3100
GPM2.5
Cleaning Units7750
Engine163 cc 4.8 HP Honda GX160 OHV 4-stroke
PumpComet DWD Triplex
Features
FrameSteel tubing
Soap injectionVia siphon hose
Soap dilution15:1
Nozzles15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose50 ft
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.

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Description

Honda GX160 engine 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 157122

In summary, the NorthStar 157122 is a heavy duty, commercial pressure washer, that offers an all-around versatile cleaning experience, and also:

  • intense cleaning of hard, unpainted surfaces
  • cleaning of painted and fragile surfaces
  • use 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 157122 in use

The NorthStar 157122

Its triplex pump, which utilizes a 163 cc (4.8 hp) engine, may deliver a pressure of up to 3100 PSI (almost 52 times more than a standard garden hose) and a flow of up to 2.5 GPM. These values correspond to a cleaning power of 7750 Cleaning Units.

A classic pull-start mechanism is responsible for starting the gas-powered pressure washer’s Honda GX160 engine.

Gasoline storage is facilitated by a steel fuel tank with a maximum capacity of 0.83 gallon.

Design & Handling

The wheelbarrow design of the NorthStar 157122 grants mobility and stability to the unit. The robust steel tubing frame guarantees longevity of the assembly. The handle adds to the 157122 convenience of transport.

At 95 lbs, we can't really say that the unit is a lightweight, and manually lifting or transporting it could be a challenge. Its 163 cc Honda GX160 engine, the triplex pump and steel tubing frame add up to a large chunk of the device's weight. However, the unit is manipulated smoothly thanks to its two 10" never-flat wheels, which play a key role in its maneuverability.

Main Features

The NorthStar 157122 in use

The NorthStar 157122

Along with the NorthStar 157122 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: Detergent is fed in through a siphon hose, since the device lacks a soap tank. The NorthStar 157122 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: The included 50 ft high-pressure hose can be neatly stored on the unit when idle thanks to 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 nozzles included with the device, and the respective surfaces which they’re the most suitable for, are shown in the following table.
 

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 157122

Some of the included accessories

  • Onboard storage: Stay prepared for any job with NorthStar 157122'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 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 157122 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 soap hose, spray gun, pressure hose and wand.
  • Emissions: The NorthStar 157122 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 157122's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the NorthStar 157122 compare to similarly priced pressure washers.

  • The NorthStar 157122 with its 3100 PSI achieves a lower pressure value, compared to other gas-powered pressure washers in the $800-900 price range. If the highest possible power of the water stream is your priority, one of the champions in this price range is the Simpson PS60843 with 4400 PSI.
  • In the aforementioned price range, this washer, with 2.5 GPM (gallons per minute), is placed on the lower end of the GPM scale. In case you are looking for a device which can most efficiently rinse away debris in the current price range, the Simpson PS60843 has the highest GPM of 4.
  • With 7750 Cleaning Units (PSI X GPM), the 157122 is on the low end when compared to other similarly priced gas-powered devices. If you consider the highest overall cleaning power as a really important factor, the Simpson PS60843 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 7500 and 8000 Cleaning Units, the NorthStar 157122 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 soap tank
  • Low PSI for the price
  • Low GPM for the price
  • Low CU for the price

Do you own the NorthStar 157122 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 157122 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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