Removing grease, oil, manure, dirt, and heavy buildup
NorthStar® Hot Water Pressure Washer – 3,500 PSI, 3.5 GPM, Gas, Honda GX390 (157117)
Regular price
$5,799.99
Regular price
-11%
$6,499.99
Sale price
$5,799.99
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NorthStar Hot Water Pressure Washer w/ Wet Steam – Commercial Grade Cleaning Power
This NorthStar hot water pressure washer with wet steam is built for the toughest cleaning jobs where cold water units fall short. Loaded with advanced technology, it delivers an unbeatable combination of high heat, high impact pressure, and high flow rate to melt through grease, oil, manure, and heavy grime fast.
Featuring a 250°F wet steam mode and an industry-leading 150°F temperature rise, this unit dramatically improves cleaning efficiency while reducing chemical use. The digital thermostat provides precise temperature control—maintaining a stable 15–18°F range—so you get consistent hot water without the temperature swings common in other brands.
Power comes from a Honda GX390 engine with electric start, paired with a CAT Pumps direct-drive pump for quiet, reliable performance. A fuel-efficient downdraft burner and large 8-gallon fuel tanks extend run time, letting you work longer with fewer refueling stops.

Ideal Applications
Perfect for heavy-duty cleaning in:
- Farms & agricultural equipment
- Garages & repair shops
- Warehouses & industrial facilities
- Outdoor buildings & work areas
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Key Features & Benefits
-
250°F Wet Steam Mode
Combines high heat, pressure, and flow for maximum cleaning power -
150°F Temperature Rise
Industry-leading heat output for superior degreasing and sanitation -
Advanced Digital Thermostat
Maintains a consistent 15–18°F temperature range with minimal fluctuation -
Fuel-Efficient Downdraft Burner
Seamless coil design delivers consistent heat with up to 35% improved fuel efficiency -
AFI (Air/Fuel/Ignition) System
Eliminates the need for a 12-volt motor for greater reliability -
Heavy-Duty Powertrain
Honda GX390 electric-start engine with Cat direct-drive pump -
Built for Mobility & Protection
Large 15-inch pneumatic tires and rugged steel roll cage -
Extended Runtime
Dual 8-gallon fuel tanks reduce downtime and refueling frequency
What’s Included
- Premium 3/8" × 50 ft. high-pressure hose
- High-quality rear-entry spray gun with swivel (prevents hose twist)
- 18.5-inch lance
Five nozzles: - 15° wet steam
- 15°
- 25°
- 40°
- Chemical nozzle
NOTE: Most products require at least some assembly.
Shipping Disclaimer
Due to rising fuel costs and lack of space on shipping trucks the costs in certain areas have been affected. An "out of area" fee may be necessary. If additional funds are required to fulfill your order we will reach out to you after your order is placed and give you options including possible terminal pick up. (Read more about our shipping policy and how freight shipping works.)
CALIFORNIA PROPOSITION 65 WARNING
Some (not all) of the products we carry can potentially expose you to chemicals including Benzene and Carbon Monoxide, which are known to the State of California to cause cancer and birth defects or other reproductive harms. If you have any questions you can always contact us.



