Simpson SW312133 Soft Wash Gas-Powered Cold Water Pump System – 300 PSI, 12.0 GPM, Honda GX200 Engine, Comet P40 Gear-Drive Pump, Recoil Start

Part Number: 65428
Category: Commercial Soft Wash Systems
Type: Gas-Powered Cold Water Soft Wash Pump System

The Simpson SW312133 Soft Wash Gas-Powered Cold Water Pump System is a commercial-grade soft washing system designed for professional exterior cleaning applications. Delivering 300 PSI at 12.0 GPM, this high-volume system combines a Honda GX200 gasoline engine with recoil starting, a Comet P40 gear-drive pump, and a stainless steel frame to support dependable performance in demanding commercial cleaning environments.

Product Specifications

• Part Number: 65428

• Brand: Simpson

• Model Number: SW312133

• Series: Soft Wash

• Product Type: Gas-Powered Cold Water Soft Wash Pump System

• Maximum Pressure: 300 PSI

• Water Flow Rate: 12.0 GPM

• Engine Brand: Honda

• Engine Model: GX200

• Engine Displacement: 196cc

• Engine Starting System: Manual Recoil Start

• Pump Brand: Comet

• Pump Model: P40

• Pump Drive System: Gear Drive

• Frame Material: Stainless Steel

• Power Source: Gasoline

• Water Temperature Type: Cold Water

• Application: Commercial Soft Washing and Exterior Cleaning

• Condition: New

Features & Benefits

• 300 PSI maximum pressure for controlled, low-pressure exterior cleaning applications

• 12.0 GPM water flow for high-volume soft washing and efficient rinsing

• Powered by a Honda GX200 196cc gasoline engine

• Manual recoil starting system for straightforward engine starting without an electric starter

• Equipped with a Comet P40 pump for professional soft washing applications

• Gear-drive pump system for efficient mechanical power transmission

• Stainless steel frame for durable equipment support and mounting

• Low-pressure operation helps reduce the risk of surface damage compared with high-pressure cleaning methods

• High-volume water delivery supports efficient rinsing of large exterior surfaces

• 12.0 GPM flow rate helps improve productivity during extensive cleaning projects

• Designed for professional soft washing and exterior maintenance applications

• Suitable for cleaning projects where controlled water pressure is preferred

• Gasoline-powered operation supports mobile cleaning applications

• Recoil-start configuration eliminates the need for an electric starting battery

• Supports professional property maintenance and exterior cleaning services

• Can be incorporated into compatible mobile soft washing equipment configurations

• Suitable for commercial cleaning contractors and property maintenance professionals

• Supports dependable cleaning performance when properly installed and maintained

Applications

• Commercial soft washing services

• Residential exterior cleaning

• Commercial building exterior maintenance

• House washing

• Siding cleaning

• Roof soft washing with approved cleaning methods

• Exterior wall cleaning

• Fence cleaning

• Deck and patio washing where appropriate

• Property maintenance and restoration

• High-volume exterior rinsing

• Mobile soft washing operations

• Professional exterior cleaning businesses

• Low-pressure cleaning of compatible exterior surfaces

• General commercial cold water soft washing applications

Important Notes

• Verify part number 65428 and model number SW312133 before ordering

• Rated at 300 PSI and 12.0 GPM

• Equipped with a Honda GX200 196cc gasoline engine with manual recoil starting

• Features a Comet P40 gear-drive pump

• Includes a stainless steel frame configuration

• This model features manual recoil start, not electric key-start

• This is a gas-powered cold water soft wash pump system, not a traditional high-pressure washer or hot water cleaning system

• Confirm the included accessories, as hoses, spray guns, spray wands, nozzles, chemical injectors, tanks, and mounting hardware may vary by package

• Verify the pump's chemical compatibility before introducing cleaning solutions into the system

• Use only cleaning chemicals and solution concentrations approved for the pump, seals, hoses, and other wetted components

• Never assume that all soft washing chemicals are compatible with the pump system

• Follow the manufacturer's recommended chemical flushing, cleaning, and maintenance procedures

• Provide an adequate water supply capable of supporting the system's 12.0 GPM operating flow

• Confirm equipment dimensions, mounting requirements, and installation clearances before purchasing

• Properly secure the system when installed on a truck, trailer, or other mobile cleaning platform

• Follow the manufacturer's recommended engine maintenance, pump servicing, and gear-drive inspection procedures

• Use hoses, fittings, valves, and accessories rated for the system's operating pressure and intended chemical exposure

• Never exceed the rated operating pressure of the system or connected accessories

• Use appropriate cleaning methods for delicate exterior surfaces, roofing materials, siding, and painted finishes

• Test cleaning solutions and application methods on an inconspicuous area before treating sensitive surfaces

• Follow all applicable chemical handling, personal protective equipment, and environmental runoff requirements

• Gasoline engines produce carbon monoxide and must not be operated inside enclosed vehicles, trailers, buildings, or inadequately ventilated spaces

• Follow all manufacturer safety instructions and operating procedures

• Confirm current specifications, included equipment, and warranty coverage before ordering