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NorthStar 157127 - Spec Breakdown

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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NorthStar 157127 4200PSI Gas Pressure WasherNorthStar 157127 4200PSI Gas Pressure WasherNorthStar 157127 4200PSI Gas Pressure WasherNorthStar 157127 4200PSI Gas Pressure Washer
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Set an alert for the NorthStar 157127 - Current lowest price: $1,799.99
Price History
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Price history for the NorthStar 157127
Latest updates:
  • $1,799.99 - June 21, 2022
  • $1,599.99 - May 14, 2022
  • $1,799.99 - May 10, 2022
  • $1,599.99 - April 26, 2022
  • $1,699.99 - March 21, 2022
  • $1,499.99 - January 6, 2022
Data source: northerntool.com
Since: January 6, 2022
  • Highest Price: $1,799.99 - May 10, 2022
  • Lowest Price: $1,499.99 - January 6, 2022

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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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 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 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 storage is facilitated by a steel fuel tank with a maximum capacity of 1.5 gallon.

Design & Handling

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

At 145 lbs, we can't really say that the unit is a lightweight, and manually lifting or transporting it could be a challenge. Its 389 cc Honda GX390 engine, the triplex pump and steel tubing frame are mainly responsible for its heavy weight. However, the unit’s two 10" never-flat wheels are crucial to its maneuverability, since they provide a smooth method of manipulation on the job.

Main Features

The NorthStar 157127 in use

The NorthStar 157127

The NorthStar 157127 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 157127 features an automatic soap dilution mechanism, that will dilute your detergent with a 15:1 ratio. Whenever a soap nozzle is connected, the detergent is automatically added to the water.
  • 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 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 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 pressure hose, spray gun, wand and soap hose.
  • 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, which can reach up to 4200 PSI, has one of the higher pressure outputs of the gas-powered units that cost between $1550 and $1800. If your priority is the highest possible power of the water stream, in this price range, we suggest checking out the Lifan LFQ4515E-Elite, which reaches up to 4500 PSI.
  • In comparison to other devices in the above-mentioned price range, this washer and its 3.5 GPM (gallons per minute), has one of the lower GPM values. If rinsing away debris most efficiently is your priority, one of the devices with the highest GPM in this price range is the NorthStar 157130, which can reach up to 5 GPM.
  • The 157127's Cleaning Units, 14700 CU (PSI X GPM), fall into the lower end when compared to gas-powered devices of similar price. 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 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.

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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