Since 1981, has been a powerful industry supplier, providing high quality pressure washers, parts, pumps & accessories for the Cleaning, construction & plumbing Industries.
We strive to provide you with relevant customer service, quantity discounts, factory assembled, equipment professionally tested and packed. 

Hot Water 4000 PSI Pressure Washer Unified Key-Start And Hose Reel

By : Water Cannon

SKU : 18K15
  • Quick Specs
  • PSI: 4000
  • GPM: 4.0
Regular Price: $3,679.00
In Stock

  • Hose Reel Mounting Plate with 150 Foot Capacity Hose Reel Factory Installed
  • 100 Feet of High Pressure Hose

Battery Specifications - 12 Volt Rating 165 Cold Crank Amps – 190 Cranking Amps – Deep Cycle - Marine Grade Rechargeable Battery

Dimensions of Battery Box 8” x 5” x 6”

This Key-Start Kohler 440cc powered hot water pressure washer is both durable and powerful. Kohler’s Command Pro 14hp OHV Industrial Grade Engine and an General Triplex ceramic plunger pump sit on a portable four wheeled push bar frame for support and ease of use. With 4.0GPM and 4000PSI and a 132 degree temperature rise, this pressure washing unit will get the job done. Each model comes with all the necessary accessories for you to get started right away. To protect your investment there is a 2 Year Warranty on the engine and 2 Year Warranties on the Pump and Frame!


This Water Cannon Pressure Washer includes an Upgraded External Recirculation Plumbing Feature that cools the water while the Trigger Gun is closed. The extended service life Triplex Ceramic Plunger Pump holds up to commercial and professional daily use. Additionally this model includes an overheat safety valve that will open and close automatically to allow the recirculating higher temperature water to be released and allow cool water to replace it, helping to protect the wear parts. For product questions we invite you to call 1-800-333-9274 and speaking with one of our industry trained sales team.



Commercial Hot Water

4.0 GPM at 4000 PSI

Kohler 440cc Gas Engine with convenient oil drain

Key Start with a back-up Recoil Start battery not included

12 Volt Burner does not require an electrical power source

Schedule 80 Heating Coil

Powder Coated Portable Frame with 13 Inch Pneumatic Wheels Attached with Lock Nuts.

Dependable long lasting machines built for a multitude of applications. Heats water faster & hotter than competitors.

Our most popular and versatile units. Utilized by a multitude of businesses for a wide variety of cleaning needs. From truck wash application to daily construction and farm use. Our customers continuously comment on the heat and speed of cleaning with these machines. Enjoy the power of a 132 degree F temperature rise.

General Triplex Plunger Pump

Inline Serviceable Stainless Steel Mesh Water Filter

Oil Bath Crank Case with dipstick and sight gauge

Stainless Unitized Valves

Forged Brass Manifold

Thermo Pump Protector engages at 140 Degrees F

Adjustable Pressure Regulator from 150psi to max

Fully Welded Powder Coated Steel Frame

Heating Coil

Elliptically wound cold process of stretched reduced fully body normalized ASTM A53/APIPSL schedule 80 or optional 160 pipe is structurally braced to minimize pipe wear.

The coil is sealed by a ceramic blanket and enclosed in a stainless steel housing for heating efficiency.

These coils have been specially designed to be paired with the burners maximum heating and fuel efficiency.

The coils are securely mounted to the frames to reduce vibration and enhance ease of maintenance.

Option available. (Schedule 160 pipe option up to 11,500 psi coils)

Wayne Burners

Quality North American made oil fired burners with adjustable thermostats are used due to their efficiency and durability. Safety features include: flow switch, pressure switch, rupture disc, high limit and adjustable thermostat.

Stainless Steel Housing

Thermostat Controlled Optional

BTU 350,000


All Welded

Powder Coated

12 Gauge Bent Steel Roll Cage

Lifting Bar

3/4 Inch Threaded Axles Welded to the Frame

13 Inch Pneumatic Wheels Attached with Lock Nuts

10 Gallon Poly Fuel Tank

Hose Reel Mounting Plate with 150 Foot Capacity Hose Reel Factory Installed

Stationary Skid Frame also Available


Pressure Regulator

36 Inch Trigger Gun and Wand Assembly with Quick Coupler System

0/15/25/40 Nozzles 

100 Feet of High Pressure Hose

Downstream Chemical/Soap Injector

Options & Accessories

Rotary Nozzle

Drain Cleaning/Jetter Kit

Stationary Frame

Rental Frame Option with Grab Bar Surround For Easy loading and Total Protection

Battery NOT Included

Click Here for Owner’s Manual


Manufacturer: Water Cannon
SKU: 18K15
PSI: 4000
GPM: 4.0
Drive Type: Direct Drive
Dimensions: 46 Inch Long X 30 Inch Wide X 48 Inch Tall

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Water Cannon ships via UPS with delivery to the lower 48 states of the United States. When you purchase any items from Water Cannon, we will email you a receipt with tracking information so you can track your shipment.

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