Never adjust the unloader without having pressure gauges attached to your wand, so you can determine exactly what pressure your adjusting to, if not you could have a failure causing serious bodily injury or even death.
NorthStar Trailer-Mounted Hot Water Commercial Pressure Washer, Honda GX630 V-Twin OHV Engine, 4000 PSI, 4 GPM, 200-Gal. Water Tank

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Shipping:
Store Pickup:
Out of stock at Fredericksburg VA
- Honda GX630 V-Twin engine
- CAT 67DX pump delivers 4,000 PSI of proven reliability
- 200-gallon water tank
- 100ft. nonmarking hose
- 2 hose reels: first reel fits up to 100ft. 3/4in. garden hose (not included); second reel includes 100ft., 3/8in. gray nonmarking high-pressure hose
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Description
Key Specs
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Q & A
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Product Summary
This item is not for sale in the state of Alaska. Customers are responsible for checking local codes and regulations prior to purchase.
Note: this item is too large for a liftgate. Customer is required to provide a dock or forklift to unload.
What's Included
- (1) NorthStar Trailer-Mounted Hot Water Commercial Pressure Washer with Honda GX630 V-Twin OHV Engine (1) Gun with 4ft. quick-connect lance (1) 100ft. gray nonmarking hose (5) Quick-connect nozzles (2) Hose reels
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REMOTE CLEANING SOLUTION
Designed for versatility and mobility, this pressure washer brings POWERFUL HOT WATER CLEANING to any jobsite, regardless of electricity or water access, making it perfect for industrial and commercial use
ROBUST ENGINE AND PUMP COMBINATION
The HONDA GX630 ENGINE paired with the reliable CAT 67DX pump delivers consistent 4,000 PSI for deep cleaning and effective sanitization
SAFETY AND EFFICIENCY
Equipped with ADVANCED SAFETY FEATURES like DIAGNOSTIC LIGHTS and a fuel filter/water separator, it operates efficiently, minimizing downtime and maintenance
BUILT TO LAST
Engineered with durability in mind, it features HIGH-QUALITY COMPONENTS such as a brass manifold, ceramic plungers and a rugged heating coil, ensuring longevity and performance
FULLY EQUIPPED FOR PROFESSIONAL USE
This trailer-mounted unit includes DUAL HOSE REELS, a large water tank and an EXTENSIVE HOSE LENGTH, ensuring you have everything you need for comprehensive cleaning task
Features + Benefits

- Honda GX630 V-Twin engine
- CAT 67DX pump delivers 4,000 PSI of proven reliability
- 200-gallon water tank
- 100ft. nonmarking hose
- 2 hose reels: first reel fits up to 100ft. 3/4in. garden hose (not included); second reel includes 100ft., 3/8in. gray nonmarking high-pressure hose
- Pressure switch burner control
- 1/2in. schedule 80 heating coil with stainless steel wrap
- 3,500-lb. capacity trailer has lights, torsion axle suspension, fenders and jack with caster
- Storage box to organize tools and spare parts
- Horizontal shaft engines last 5x as long as vertical shaft engines
- Forged brass manifold gives improved strength over cheaper aluminum
- Easy Start stops pressure build-up during start-up
- Adjustable pressure for job versatility
- Sight glass lets you quickly check pump oil
- Contact with water or oil will not damage insulation; upon drying the insulation regains its original shape
- Uses 1/2in. schedule 80 extra-heavy pipe
- Adjustable thermostat
- Diagnostic indicator lights signal proper operation of key components
- 22mm quick connection makes it easy to use multiple attachments
- Extras: safety release, cast iron sleeves
Key Specs
| Attribute | Specification |
|---|---|
item# | 157595 |
Brand | NorthStar |
Manufacturer's Warranty | 24 months parts/24months labor |
Ship Weight | 1460.0 LB |
Pressure | 4,000 PSI |
Flow | 4 GPM |
Engine Brand | Honda |
Engine Model | GX630 V-twin |
Engine Displacement | 630 cc |
Fuel Type | Gasoline |
Pump | CAT |
Drive Style | Direct |
Number of Tips Included | 5 |
Adjustable Pressure | Yes |
Gross Torque | 29.2 ft-lbs. |
Start Type | Electric and Recoil |
Engine Oil Included | No |
| Attribute | Specification |
|---|---|
Engine Oil Type | SAE 30 Motor Oil |
Fuel Capacity | 4 Gal |
Max. Inlet Water Temp | 140 °F |
Max. Outlet Water Temp | 210 °F |
Orifice Size | 4 |
Chemical Injector | Yes |
Hose Length | 100 ft |
Coupler Size | 3/8 in |
Wheel Diameter | 15 in |
Nozzle Type | 0°, 15°, 25°, 40° and Soap |
Quick Connect Nozzle | Yes |
Pump Oil Included | Yes |
Pump Oil Type | SAE 30 Nondetergent |
Low Oil Shutdown | Yes |
Thermal Protector | Yes |
Product Weight | 961.0000 lb |
Dimensions L x W x H (in.) | 129.0 x 75.75 x 60.0 in |
Reviews
Questions & Answers
Questions
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· 15 years ago
how do you lower the pressure, by lowering motor rpms, nozzles or is their an adjustment on this unit somewhere, thx...
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THE HOTSY GUY· 2 years ago
Helpful?
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NorthStarExperts· 14 years ago
You can adjust the pressure on this NorthStar Pressure Washer by tightening or loosening the unloader valve found on the pump. You can also adjust by using different nozzle with a wider spray pattern for lower pressure, or narrower for higher pressure. The pump is designed to run only when the engine RPM at full throttle, and should never be run at lower RPM.
Helpful?
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KGO15· 15 years ago
Typically by the red knob on the side of the pump but lowering the motor rpms will decrease the pressure. I would not recommend this procedure to operate.
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· 15 years ago
is trailer highway rated & can be taged?
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NorthStarExperts· 14 years ago
This NorthStar hot water pressure washer and trailer is highway rated. We will send out separately a certificate of origin that can be used to get tags if your state requires them.
Helpful?
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ripw4· 15 years ago
Yes it is. Around two weeks after purchase a title arrives in the mail ready to be taken to the courthouse to get your tag!
Helpful?
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tohottie· 15 years ago
it can be tagged and should be fine for pulling on highway with no problem
Helpful?
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· 10 years ago
Is there a drain valve on the water tank # 157595
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DHtinman· 8 years ago
Yes there is a ball valve on the bottom of the tank
Helpful?
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NorthstarExpert11· 10 years ago
The tank on this pressure washer has a drain valve.
Helpful?
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· 14 years ago
How is this item packed for shipping?
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ProSweep· 14 years ago
The washer/trailer is shipped via freight. It comes with a light weight steel frame around the entire unit with the trailer tongue and tool box unattached. It took me about 45 minutes to an hour to unpack and assemble (using air tools)
You will need a raised loading dock and forklift (with 48") forks to unload.
Helpful?
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NorthstarExpert5· 14 years ago
Our NorthStar Pressure Washer comes crated and will only need the tongue of the trailer installed along with the jack stand.
Helpful?
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· 15 years ago
How long does it take for this unit to heat the water to at least 180 F?
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ripw4· 15 years ago
As soon as the water goes through the heater it is heated. I would say around 8 seconds to travel through the hose to the gun!
Helpful?
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NorthstarExpert5· 15 years ago
This NorthStar Hot Water Pressure Washer will have the water heated to 210 degrees in a matter of seconds. You may, when you first turn it on have some cold water, but almost instantaneously you will have water at 210 degrees.
Helpful?
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· 16 years ago
are the hose reels self retracting or manual wind. Thanks
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ripw4· 15 years ago
Manual wind.
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NorthstarExpert13· 16 years ago
The hose reels that are included on this trailer are manual rewind.
Helpful?
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· 16 years ago
On this unit can you change the pump to get more gallons per minute so i can clean driveways effectively with a surface cleaner.
On this unit can you change the pump to get more gallons per minute so i can clean driveways effectively with a surface cleaner.
Thanks, Roger
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tohottie· 15 years ago
you should not have to change the pump if you open the unloader all the way
Helpful?
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NorthStarExperts· 16 years ago
With a hot pressure washer your cleaning efficiency is much higher than with a cold water unit. Also, most surface cleaners cannot handle the higher temperatures. The pump GPM cannot be altered.
Helpful?
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· 16 years ago
Water Tank
how long can you wash befor the water runs out on that 200 gallon tank
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NorthStarExperts· 16 years ago
This pressure washer provides 4 gallons per minute at 4000 psi. So if you were running at full pressure, you would have approximately 50 minutes of continuous washing on one full tank of water. It is possible to hook this unit up to a hose from an external water source for unlimited continuous use.
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Jake· 16 years ago
The pump on the pressure washer is a 4 GPM pump so:
200 Gallons divided by 4 Gallons Per Minute (200/4) = 50 Minutes.
50 minutes of spraying time.
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· 14 days ago
Hello, i have a question, exist this equipment with Disel?
1 answer-
NorthstarExpert12· 14 days ago
At this time, we do not offer this pressure washer with a diesel engine.
Helpful?
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· 2 months ago
does this unit have direct drive pump or belt drive
1 answer-
NorthstarExpert12· 2 months ago
This pressure washer features a direct drive pump.
Helpful?
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Warranty
Manufacturer's Warranty
24 months parts/24months labor
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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$9999.99Shipping:
Store Pickup:
Out of stock at Fredericksburg VA
Item # 157598
$7999.99Reg $8999.99Save $1000.00Order today to get this price.
Shipping:
Free shipping (lower 48 states) - Available nowHeavy/large item. Lift gate service available.
Store Pickup:
Out of stock at Fredericksburg VA
- $5999.99
Shipping:
Free shipping (lower 48 states) - Available nowHeavy/large item. Lift gate service available.
Store Pickup:
Out of stock at Fredericksburg VA
- $4499.99
Shipping:
Store Pickup:
Out of stock at Fredericksburg VA
Specifications
4,000 PSI
4,000 PSI
3,500 PSI
3,000 PSI
4 GPM
7 GPM
3.5 GPM
4 GPM
Honda
-
Honda
Northstar
GX630 V-twin
Command Pro V-twin
GX390
E420
630 cc
725 cc
389 cc
420 cc
Gasoline
Gasoline
Gasoline
Gasoline
CAT
Northstar
CAT 66dx
CAT 66dx
Direct
Belt
Direct
Direct
5
-
5
5
Yes
Yes
Yes
Yes
29.2 ft-lbs.
38.4 ft-lbs.
19.5 ft-lbs.
19.5 ft-lbs.
Electric and Recoil
-
Electric and Recoil
Recoil
No
No
No
No
SAE 30 Motor Oil
SAE 30 Motor Oil
SAE 30
SAE 30 Motor Oil
4 Gal
15 Gal
8 Gal
1.61 Gal
140 °F
140 °F
140 °F
140 °F
210 °F
200 °F
250 °F
250 °F
4
3.5
4
4.5
Yes
Yes
Yes
Yes
100 ft
50 ft
50 ft
50 ft
3/8 in
3/8 in
3/8 in
3/8 in
15 in
-
-
15 in
0°, 15°, 25°, 40° and Soap
0°, 15°, 25°, 40° and Soap
15° Wet Steam, 15°, 25°, 40°, and Chemical
15° Wet Steam, 15°, 25°, 40°, and Chemical
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
961.0000 lb
800.0000 lb
656.0000 lb
510.0000 lb
129.0 x 75.75 x 60.0 in
45.5 x 54.25 x 46.25 in
55.5 x 41.5 x 48.3125 in
43.5 x 37.5 x 48.31 in
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