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Simpson Soft Wash Cold Water Gas Pump System — 300 PSI, 8.0 GPM, CRX 225 Engine, Comet Gear Drive Pump, Model# SW380133E

Item# 6927966
Simpson Soft Wash Cold Water Gas Pump System — 300 PSI, 8.0 GPM, CRX 225 Engine, Comet Gear Drive Pump, Model# SW380133E

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Simpson Soft Wash Cold Water Gas Pump System — 300 PSI, 8.0 GPM, CRX 225 Engine, Comet Gear Drive Pump, Model# SW380133E

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$1099.99

  • Shipping: 

    Factory shipped

    Heavy/large item. Lift gate service available.

  • Store Pickup: 

    Not available - online only
  • CRX® 225 engine delivers dependable power and performance with key-start convenience for easy operation.
  • COMET® BPX25 gear drive pump provides smooth, efficient flow and outstanding chemical resistance for soft wash applications.
  • Low-pressure, high-flow output (300 PSI at 8.0 GPM) designed to clean delicate surfaces effectively without damage.
  • Stainless steel truck-mount base plate adds corrosion resistance and stability for heavy-duty professional use.
  • Compact and service-friendly design allows easy installation and maintenance access.

  • Prop 65 Warning: See Details

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  • Description

  • Key Specs

  • Reviews

  • Q & A

  • Warranty

  • Compare

Product Summary

The 65427, Soft Wash System, is an excellent addition to the SIMPSON® portfolio of professional cleaning equipment. Built for contractors and cleaning professionals, this system delivers high-flow performance at low pressure—ideal for soft washing surfaces such as siding, roofs, fences, and decks. Featuring a reliable (49-State compliant) CRX® 225 engine and a COMET® BPX25 gear drive pump, the 65427 ensures consistent chemical application, quiet operation, and long-lasting durability for all-day use.

What's Included

    (1) Soft Wash Gas Pressure Washer

Features + Benefits

  • CRX® 225 engine delivers dependable power and performance with key-start convenience for easy operation.
  • COMET® BPX25 gear drive pump provides smooth, efficient flow and outstanding chemical resistance for soft wash applications.
  • Low-pressure, high-flow output (300 PSI at 8.0 GPM) designed to clean delicate surfaces effectively without damage.
  • Stainless steel truck-mount base plate adds corrosion resistance and stability for heavy-duty professional use.
  • Compact and service-friendly design allows easy installation and maintenance access.

Key Specs

AttributeSpecification

item#

6927966

Brand

Simpson

Manufacturer's Warranty

1 year limited warranty

Ship Weight

100.0 LB

Pressure

300 PSI

Flow

8 GPM

Engine Brand

CRX

Engine Model

CRX225

Engine Displacement

224 cc

Fuel Type

Gasoline

Pump

Comet BPX25

Drive Style

Gear

CARB Compliant

No

Number of Tips Included

0
AttributeSpecification

Adjustable Pressure

No

Start Type

Electric and Recoil

Engine Oil Included

Yes

Engine Oil Type

10W-30

Fuel Capacity

0.8 Gal

Chemical Injector

Yes

Hose Length

0 ft

Quick Connect Nozzle

No

Pump Oil Included

No

Low Oil Shutdown

Yes

Thermal Protector

Yes

Product Weight

70.0000 lb

Dimensions L x W x H (in.)

27.0 x 16.0 x 18.0 in

Reviews

Questions & Answers

Questions

1–4 of 4 Questions  
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  1. How many feet does this shoot approximately? And what concentration of sodium hypochlorite will it handle?

    1 answer

    1. The soft wash system will spray up to 35 feet high from the ground. It can handle sodium hypochlorite bleach mixtures up to a 1% to a 6% concentration at the pump inlet, when using a proportioner or batch mix set up and up to 12.5% commercial strength, if plumbed correctly with bleach rated fittings.

      Helpful?

  2. Does the engine is key start?

    1 answer

    1. The engine would have key-start.

      Helpful?

  3. What size is the inlet, outlet, and bypass connections?

    1 answer

    1. The Soft Wash Cold Water Professional Gas Pump System (Model# 65427) with the COMET BPX25 gear drive pump features the following connection sizes:

      Inlet: 1/2" barb
      Outlet: 3/4" barb
      Bypass: 1/2" barb

      Helpful?

  4. Does this have a bypass mode and be used with a proportioner for soft washing purposes, or is it only set up for bath mixing? I know, of course, I could modify it, but I'm curious about how it comes? Can you send me more pictures?

    1 answer

    1. The soft‑wash machines ship without any plumbing and can be configured however the user wants; the pump includes a bypass outlet, but the user decides where that bypass is routed.

      Helpful?

Warranty

Manufacturer's Warranty

1 year limited warranty

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