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NorthStar 157136 - Spec Breakdown

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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NorthStar 157136 4000PSI Gas Pressure WasherNorthStar 157136 4000PSI Gas Pressure WasherNorthStar 157136 4000PSI Gas Pressure WasherNorthStar 157136 4000PSI Gas Pressure Washer
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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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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 and fragile 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 157136 in use

The NorthStar 157136

With an impressive 389 cc (11.7 hp) engine, its triplex pump delivers a pressure of 4000 PSI (roughly 67 times more than a standard garden hose) and a flow of up to 3.5 GPM (values claimed by the manufacturer), resulting in the NorthStar 157136's cleaning power of 14000 Cleaning Units.

The Honda GX390 engine of this gas-powered pressure washer relies on an old-school pull-start mechanism to get started.

Gasoline storage is facilitated by 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. Its sturdy steel tubing frame provides longevity to the assembly. The handle adds to the 157136 convenience of transport.

This model weighs 249 lbs. For this reason, it cannot be called lightweight and thus, carrying and transporting it might be somewhat challenging. 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 is mobile thanks to its two 15" never-flat wheels, which add to its movability and allow it to be manipulated smoothly on the job.

Main Features

The NorthStar 157136 in use

The NorthStar 157136

The NorthStar 157136's package includes a spray gun, a wand, a pressure hose, 4 nozzles and a detergent injection feature, with a more detailed description 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 157136 will dilute the 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 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 157136

Some of the included accessories

  • Onboard storage: Stay prepared for any job with NorthStar 157136'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 thermal relief valve (which helps to prevent internal pump damage), a trigger lock mechanism (which prevents accidental operation) and a low oil protection.
  • Accessories: The NorthStar 157136 comes with an owner's manual (opens in a new tab) and some basic documentation to get you quickly started. On top of that, you also get spray gun, pressure hose, soap hose and wand.
  • Emissions: The NorthStar 157136 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 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, a device which can produce up to 4000 PSI, is on the lower end of the pressure spectrum, among the gas-powered pressure washers in the $1700-2100 price range. If the highest possible power of the water stream is your priority, one of the champions in this price range is the Lifan LFQ4515E-Elite with 4500 PSI.
  • The achievable water flow of this washer, which reaches 3.5 GPM (gallons per minute) can be described as low, compared to other devices in its price range. If you’re after the highest rinsing efficiency, one of the units with the highest water flow in the current price range is the Husqvarna HH42, that can deliver up to 4 GPM.
  • The 157136 ranks as below average in terms of Cleaning Units, compared to gas-powered devices in its price range, reaching only a value of 14000 CU (PSI x GPM). When it comes to the highest overall cleaning power in the current price range, one of the products at the very top currently is the Lifan LFQ4515E-Elite and its 18000 Cleaning Units.

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
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 157136 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 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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