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NorthStar 157136 Spec Review

The NorthStar 157136 is a gas-powered pressure washer offering a maximum water pressure of 4000 PSI and flow of 3.5 GPM. (Read full specs)

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Description

This premium-quality NorthStar® Gas Cold Water Pressure Washer equips you to blast through mud, dirt and debris faster and more easily on lawn and garden equipment, heavy-duty machinery, driveways, parking lots, patios, office buildings and much more. Newly designed compact steel cart with large 15" flat-free tires offers space-saving storage and easy portability.

Zoom on the NorthStar 157136

The NorthStar 157136, 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 or delicate surfaces
  • application of detergent and cleaning solutions

Ahead are presented its power characteristics and design, its main features and any other additional features.

Power

The NorthStar 157136 in use

The NorthStar 157136

The NorthStar 157136's triplex pump, powered by an impressive 389 cc (11.7 hp) engine, can provide a pressure of up to 4000 PSI (approximately 67 times more than a standard garden hose) and a flow of up to 3.5 GPM (values claimed by the manufacturer). The NorthStar 157136 thus has a cleaning power of 14000 Cleaning Units.

A classic pull-start mechanism is responsible for starting the gas-powered pressure washer’s Honda GX390 engine.

Gasoline is stored in a steel fuel tank with a maximum capacity of 1.6 gallon.

Design & Handling

The wheelbarrow design of the NorthStar 157136 grants mobility and stability to the unit. The robust and sturdy steel tubing frame offers longevity to the assembly. The handle adds to the 157136 convenience of transport.

The unit's weight of 249 lbs renders its carrying and transportation challenging, as it is far from lightweight. A key role in its final weight is played by its 389 cc Honda GX390 engine, the triplex pump and steel tubing frame. However, the unit’s two 15" never-flat wheels are crucial to its maneuvrability, since they provide a smooth method of manipulation on the job.

Main Features

The NorthStar 157136 in use

The NorthStar 157136

Along with the NorthStar 157136 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 automatic soap dilution mechanism of the NorthStar 157136 will dilute the detergent with a 15:1 ratio. If a soap nozzle is attached, the device will proceed to add the detergent to the water automatically.
  • Pressure hose: Using a set of convenient hooks, the included 50 ft high-pressure hose can be easily stored on the unit when it is not running.
  • 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 157136

Some of the included accessories

  • Onboard storage: The NorthStar 157136 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 157136 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 157136 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 157136's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the NorthStar 157136 compare to similarly priced pressure washers.

  • The NorthStar 157136, reaching a PSI of up to 4000, is one of the more powerful gas-powered units in $1400-1800 price range. 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.
  • When compared to devices in the above-mentioned price range, this washer and its 3.5 GPM (gallons per minute), is on the lower end of the achievable water flow. If you’re after the highest rinsing efficiency, one of the units with the highest water flow in the current price range is the NorthStar 157160, that can deliver up to 5 GPM.
  • The 157136's Cleaning Units, 14000 CU (PSI x GPM), fall into the lower end when compared to gas-powered devices of similar price. If the highest overall cleaning power is your top priority, the Lifan LFQ4515E-Elite, 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 14500 Cleaning Units, the NorthStar 157136 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
  • High PSI for the price
WEAKNESSES:
  • On the expensive side
  • No electric start
  • No soap tank
  • Low GPM for the price
  • Low CU for the price

Do you own the NorthStar 157136 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.)
PSI4000
GPM3.5
Cleaning Units14000
Engine389 cc 11.7 HP Honda GX390 OHV 4-stroke
PumpCAT 5CP4120CSS 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. 50 x 29 x 26 in
Weight249 lbs
Pressure controlValve
Wheels2 wheels, ⌀15", never flat
Included accessoriesWand, spray gun, high pressure hose, soap hose, 4 nozzles
SecurityLow oil, trigger lock and thermal relief valve
EmissionsCARB, EPA
Warranty4 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 157136 is covered under a warranty for up to 4 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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