This pressure washer has a 10 year limited warranty. Complete details can be found on page 49 of the Product Manual which is located below the Product Summary on the web page.
NorthStar Gas Cold Water Pressure Washer, 4200 PSI, 3.5 GPM, Honda GX390 Engine

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- 4,200 PSI, 3.5 GPM Cleaning Performance: Combines powerful pressure with high water flow to quickly remove dirt, grime, mildew and other buildup
- Honda GX390 Gas Engine: 389cc engine with electric/recoil start delivers dependable power and 19.5 ft./lbs. gross torque for demanding cleaning applications
- Cat 67DX Direct Drive Pump: Premium triplex pump features a forged brass manifold and ceramic plungers for proven durability and consistent performance
- Portable Wheeled Design: Pull-up-style cart design includes an aircraft-grade aluminum frame, flat-free tires, 50ft. nonmarking hose, spray gun with 18.5in. lance and (4) quick-connect nozzles
- Built-In Downstream Chemical Injector: Draws cleaning solution directly from an external detergent container, making it easy to switch between washing and rinsing
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Description
Key Specs
Reviews
Q & A
Accessories
Warranty
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Product Summary
What's Included
- (1) NorthStar Gas Cold Water Pressure Washer (1) Spray gun (1) Lance (1) 50ft. nonmarking hose (4) Quick-connect nozzles
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UNMATCHED CLEANING POWER
Delivering 4,200 PSI at 3.5 GPM, this pressure washer cuts through mud, dirt and debris with ease, making it perfect for CLEANING HEAVY MACHINERY, outdoor areas and more
ENGINEERED FOR PERFORMANCE
The combination of the HONDA GX390 ENGINE and the CAT triplex pump provides a BALANCE OF POWER, EFFICIENCY and DURABILITY, ensuring top-notch performance for any cleaning challenge
BUILT TO ENDURE
With its AIRCRAFT-GRADE ALUMINUM FRAME and FLAT-FREE TIRES, this model is designed for the toughest jobsites, offering both MOBILITY and RESISTANCE to wear and tear
EASE OF USE
Adjustable pressure settings allow for TAILORED CLEANING POWER, while the EASY START and OIL DRAIN CUTOUTS add convenience to operation and maintenance
COMPREHENSIVE CLEANING SOLUTION
Equipped with a VARIETY OF NOZZLES and a long hose, this pressure washer can handle a WIDE RANGE OF TASKS, from gentle washing to removing stubborn grime
Features + Benefits
- 4,200 PSI, 3.5 GPM Cleaning Performance: Combines powerful pressure with high water flow to quickly remove dirt, grime, mildew and other buildup
- Honda GX390 Gas Engine: 389cc engine with electric/recoil start delivers dependable power and 19.5 ft./lbs. gross torque for demanding cleaning applications
- Cat 67DX Direct Drive Pump: Premium triplex pump features a forged brass manifold and ceramic plungers for proven durability and consistent performance
- Portable Wheeled Design: Pull-up-style cart design includes an aircraft-grade aluminum frame, flat-free tires, 50ft. nonmarking hose, spray gun with 18.5in. lance and (4) quick-connect nozzles
- Built-In Downstream Chemical Injector: Draws cleaning solution directly from an external detergent container, making it easy to switch between washing and rinsing
- Easy Start: Releases pressure buildup during startup, so the motor turns over smoothly
- Adjustable Pressure: Variable pressure can tackle any job
Key Specs
| Attribute | Specification |
|---|---|
item# | 157133 |
Brand | NorthStar |
Manufacturer's Warranty | 10 year limited warranty |
Ship Weight | 130.0 LB |
Pressure | 4,200 PSI |
Flow | 3.5 GPM |
Engine Brand | Honda |
Engine Model | GX390 |
Engine Displacement | 389 cc |
Fuel Type | Gasoline |
Pump | CAT 67dx |
Drive Style | Direct |
Number of Tips Included | 4 |
Adjustable Pressure | Yes |
Gross Torque | 19.5 ft-lbs. |
Start Type | Recoil |
| Attribute | Specification |
|---|---|
Engine Oil Included | No |
Engine Oil Type | SAE 30 |
Fuel Capacity | 1.6 Gal |
Max. Inlet Water Temp | 140 °F |
Orifice Size | 3.5 |
Chemical Injector | Yes |
Hose Length | 50 ft |
Coupler Size | 3/8 in |
Nozzle Type | Quick-connect |
Quick Connect Nozzle | Yes |
Pump Oil Included | Yes |
Pump Oil Type | SAE 30 Nondetergent |
Low Oil Shutdown | Yes |
Thermal Protector | Yes |
Product Weight | 137.0000 lb |
Dimensions L x W x H (in.) | 40.25 x 26.0 x 23.75 in |
Reviews
Questions & Answers
Questions
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· 10 months ago
What is the warranty
1 answer-
NorthstarExpert12· 10 months ago
Helpful?
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· a year ago
Does this washer have a pressure gauge to monitor and adjust the pressure
1 answer-
NorthstarExpert12· a year ago
This pressure washer is not equipped with a pressure gauge; however, a gauge like item 32154 can be added.
Helpful?
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· 3 years ago
157127 what is the difference between 157133
1 answer-
NorthstarExpert7· 3 years ago
Item #157133 has a frame that is made of rugged 1-1/4" aircraft-grade aluminum tube.
Helpful?
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· 4 years ago
What is the benefit of the aluminum frame over the standard powder coated steel frame? Is it simply weight reduction?
1 answer-
NorthstarExpert12· 4 years ago
The primary benefits to having an aluminum frame are that it is lighter and it will not rust.
Helpful?
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· 6 years ago
Adjustable Pressure Range
What is the adjustable pressure range for this unit? How low of pressure can it be adjusted to run?
1 answer-
NorthstarExpert12· a year ago
This pressure washer has a PSI range between 500 and 4,200. The minimum PSI of 500 is approximate. If the pressure needs to be reduced to the minimum, we recommend using a gauge like item 32154.
Helpful?
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Warranty
Manufacturer's Warranty
10 year limited warranty
Extend Your Warranty Coverage with a Northern Protection Plan (NPP)
Repair Plan — 1 Year
A Northern Protection Plan is available after adding the product to your shopping cart.
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Specifications
4,200 PSI
3,200 PSI
5,000 PSI
3.5 GPM
2.5 GPM
5 GPM
Honda
Briggs & Stratton
Honda
GX390
CR950
GX690
389 cc
208 cc
688 cc
Gasoline
Gasoline
Gasoline
CAT 67dx
Axial Cam
Comet Crankshaft Triplex
Direct
Direct
Belt
4
4
4
Yes
No
Yes
19.5 ft-lbs.
9.5 ft-lbs.
35.6 ft-lbs.
Recoil
Recoil
Recoil
No
No
No
SAE 30
5w-30
SAE 30
1.6 Gal
0.8 Gal
11 Gal
140 °F
140 °F
140 °F
3.5
3
4.5
Yes
Yes
Yes
50 ft
25 ft
50 ft
3/8 in
-
3/8 in
Quick-connect
15°, 25°, 40° and Chemical
Quick-connect
Yes
Yes
Yes
Yes
Yes
Yes
SAE 30 Nondetergent
-
Universal Tractor Transmission
Yes
Yes
Yes
Yes
Yes
Yes
137.0000 lb
70.0000 lb
365.0000 lb
40.25 x 26.0 x 23.75 in
29.25 x 19.75 x 20.75 in
33.75 x 32.25 x in
-
Yes
-
-
10 in
-
See All Gas-Cold Water Pressure Washers
See All NorthStar Gas-Cold Water Pressure Washers
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NorthStar Gas Cold Water Pressure Washer, 4200 PSI, 3.5 GPM, Honda GX390 Engine
Item # 157133












