This pressure washer skid can be mounted on an open trailer. It should not be mounted in an enclosed trailer.
NorthStar Gas Hot Water and Wet Steam Pressure Washer Skid, 3000 PSI, 4 GPM, Honda GX390 Engine, 100-Gal. Water Tank

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Shipping:
Free shipping (lower 48 states) - Available nowHeavy/large item. Lift gate service available.
Store Pickup:
- 3,000 PSI, 4 GPM Output: Combines powerful pressure with high water flow of hot water and wet steam up to 250°F with an industry-leading 150°F temperature rise to clean grease, grime and stubborn buildup up to 2x faster
- 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 66DX Direct Drive Pump: Premium triplex pump features a forged brass manifold and ceramic plungers for proven durability and consistent performance
- Heavy-Duty Skid Design: Rugged steel skid platform securely mounts in trucks, trailers or utility vehicles, providing a stable mobile cleaning solution for demanding commercial applications
- 100-Gallon Water Tank: Onboard water supply with auto shutoff supports extended cleaning sessions and allows operation in locations without access to running water
Prop 65 Warning: See Details
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Description
Key Specs
Reviews
Q & A
Accessories
Warranty
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Product Summary
What's Included
- (1) NorthStar Gas Hot Water and Wet Steam Pressure Washer Skid (5) Nozzles (1) High-pressure hose (1) Spray gun (1) Lance
Downloads
READY FOR REMOTE JOBS
A full-featured 100-GAL. WATER TANK ensures you can tackle even the most remote jobs without needing immediate access to a water source, complemented by smart safety features
ECONOMIC AND EFFICIENT
Enjoy superior fuel economy with a downdraft burner system that not only saves on costs but also maximizes HEATING EFFICIENCY FOR QUICKER, MORE EFFECTIVE CLEANING
UNMATCHED CLEANING POWER
Leverage 250°F WET STEAM alongside an industry-leading 150° TEMPERATURE RISE, ensuring high-impact cleaning that easily dissolves the toughest substances
RELIABLE AND QUIET OPERATION
THE HONDA GX390 ENGINE, coupled with a CAT DIRECT DRIVE PUMP, delivers quiet, reliable performance, making demanding tasks more manageable
PRECISE TEMPERATURE REGULATION
Benefit from an innovative DIGITAL THERMOSTAT offering unmatched TEMPERATURE STABILITY, for consistent, effective cleaning without temperature fluctuations
Features + Benefits

- 3,000 PSI, 4 GPM Output: Combines powerful pressure with high water flow of hot water and wet steam up to 250°F with an industry-leading 150°F temperature rise to clean grease, grime and stubborn buildup up to 2x faster
- 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 66DX Direct Drive Pump: Premium triplex pump features a forged brass manifold and ceramic plungers for proven durability and consistent performance
- Heavy-Duty Skid Design: Rugged steel skid platform securely mounts in trucks, trailers or utility vehicles, providing a stable mobile cleaning solution for demanding commercial applications
- 100-Gallon Water Tank: Onboard water supply with auto shutoff supports extended cleaning sessions and allows operation in locations without access to running water
- Downdraft Burner with Seamless Coil: Provides consistent heat and up to 35% better fuel efficiency
- Digital Thermostat: Provides superior temperature regulation to consistently deliver hot water without significant temperature variation
- Built-In Downstream Chemical Injector: Draws cleaning solution directly from an external detergent container, making it easy to switch between washing and rinsing
- AFI (Air/Fuel/Ignition) Delivery System: Runs the heating system without the need for a 12V battery
Key Specs
| Attribute | Specification |
|---|---|
item# | 157116 |
Brand | NorthStar |
Manufacturer's Warranty | 2 year limited warranty |
Ship Weight | 620.0 LB |
Pressure | 3,000 PSI |
Flow | 4 GPM |
Engine Brand | Honda |
Engine Model | GX390 |
Engine Displacement | 389 cc |
Fuel Type | Gasoline |
Pump | CAT 66dx |
Drive Style | Direct |
Number of Tips Included | 4 |
Adjustable Pressure | Yes |
Gross Torque | 18.5 ft-lbs. |
Start Type | Recoil |
Engine Oil Included | No |
| Attribute | Specification |
|---|---|
Engine Oil Type | SAE 30 Motor Oil |
Fuel Capacity | 1.61 Gal |
Max. Inlet Water Temp | 140 °F |
Max. Outlet Water Temp | 250 °F |
Orifice Size | 4.5 |
Chemical Injector | Yes |
Hose Length | 50 ft |
Coupler Size | 3/8 in |
Nozzle Type | 15° Wet Steam, 15°, 25°, 40°, and Chemical |
Quick Connect Nozzle | Yes |
Pump Oil Included | Yes |
Pump Oil Type | SAE 30 Nondetergent |
Low Oil Shutdown | Yes |
Thermal Protector | Yes |
Product Weight | 610.0000 lb |
Dimensions L x W x H (in.) | 47.5 x 61.5 x 47.875 in |
Reviews
Questions & Answers
Questions
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· 5 months ago
Can this be mounted on a trailer?
1 answer-
NorthstarExpert12· 4 months ago
Helpful?
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· 6 months ago
what fuel is the heater? and how is it started if it doesn't have a battery?
1 answer-
NorthstarExpert12· 6 months ago
The burner can use diesel, kerosene, or fuel oil. The machine is equipped with a recoil (pull-start) starter.
Helpful?
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· 6 months ago
What size of the fork holes? depth, width and height. please
1 answer-
NorthstarExpert12· 6 months ago
The fork pockets measure 5" wide x 2" high and extend the length of the skid. They are 12.85" apart.
Helpful?
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· 9 months ago
Good morning, checking to see if this comes with an electric start and or can you add that to it?
1 answer-
NorthstarExpert12· 9 months ago
The engine of this pressure washer has a recoil (pull) start only. An electric starter kit is not available and modifications to this unit would void the warranty.
Helpful?
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· a year ago
Do you make a cover for this unit ?
1 answer-
NorthstarExpert12· a year ago
A cover is not available for this pressure washer.
Helpful?
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· a year ago
Can u add a soft wash system to it
1 answer-
NorthstarExpert12· a year ago
This pressure washer system is not designed to work with a soft wash system. Bleach would damage the pump of this pressure washer.
Helpful?
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· 2 years ago
Hi what it's Demetion? And weight?
1 answer-
NorthstarExpert12· 2 years ago
The overall dimensions of this pressure washer are 47.5" long x 61.5" wide x 47.87" high. The dry weight is 610 lbs.
Helpful?
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· 2 years ago
Does the burner need to be plugged in or does it run of battery
1 answer-
NorthstarExpert11· 2 years ago
The pressure washer will have a continuous igniter that is stator driven and will continually ignite as the engine is running.
Helpful?
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· 2 years ago
Does this come with wand and hose
1 answer-
NorthstarExpert12· 2 years ago
This pressure washer skid includes five nozzles, a high pressure hose, a spray gun and a lance.
Helpful?
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· 2 years ago
How long of a hose can be used on this unit, effectively?
1 answer-
NorthstarExpert12· 2 years ago
An additional 50' hose for a total of 100' can be used with this machine. Anything longer than that will cause a 7 PSI loss per foot.
Helpful?
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Warranty
Manufacturer's Warranty
2 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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Item # 157116
$5399.99Shipping:
Free shipping (lower 48 states) - Available nowHeavy/large item. Lift gate service available.
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- $7999.99Reg $8999.99Save $1000.00
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Shipping:
Free shipping (lower 48 states) - Available nowHeavy/large item. Lift gate service available.
Store Pickup:
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- $9999.99
Shipping:
Free shipping (lower 48 states) - Available nowHeavy/large item. Lift gate service available.
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Item # 157310
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Specifications
3,000 PSI
4,000 PSI
4,000 PSI
3,000 PSI
4 GPM
7 GPM
4 GPM
4 GPM
Honda
-
Honda
-
GX390
Command Pro V-twin
GX630 V-twin
GX390
389 cc
725 cc
630 cc
389 cc
Gasoline
Gasoline
Gasoline
Gasoline
CAT 66dx
Northstar
CAT
CAT 66dx
Direct
Belt
Direct
Direct
4
-
5
6
Yes
Yes
Yes
Yes
18.5 ft-lbs.
38.4 ft-lbs.
29.2 ft-lbs.
18.5 ft-lbs.
Recoil
-
Electric and Recoil
Electric
No
No
No
No
SAE 30 Motor Oil
SAE 30 Motor Oil
SAE 30 Motor Oil
SAE 30 Motor Oil
1.61 Gal
15 Gal
4 Gal
8.75 Gal
140 °F
140 °F
140 °F
140 °F
250 °F
200 °F
210 °F
250 °F
4.5
3.5
4
4.5
Yes
Yes
Yes
Yes
50 ft
50 ft
100 ft
50 ft
3/8 in
3/8 in
3/8 in
3/8 in
15° Wet Steam, 15°, 25°, 40°, and Chemical
0°, 15°, 25°, 40° and Soap
0°, 15°, 25°, 40° and Soap
0°, 15°, 25°, 40°, Steam and Soap
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
SAE 30 Nondetergent
Universal Tractor Transmission
SAE 30 Nondetergent
SAE 30 Nondetergent
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
610.0000 lb
800.0000 lb
961.0000 lb
600.0000 lb
47.5 x 61.5 x 47.875 in
45.5 x 54.25 x 46.25 in
129.0 x 75.75 x 60.0 in
64.0 x 33.0 x 42.5 in
-
-
15 in
14 in
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