Graco 17G178 Magnum ProX17 Electric TrueAirless Sprayer, Cart

Graco 17G178 Magnum ProX17 Electric TrueAirless Sprayer, Cart — a durable, cart-mounted airless sprayer with ProXChange pump for fast, tool-free service and a smooth, professional finish.

TrueAirless atomization; supports tips up to 0.017"
Includes SG3 gun & ¼" hose (kit dependent)
Ideal for interior/exterior paints, primers & stains
Cart mobility for easy jobsite movement

Retail Price: $1060

You save: $361 (34.06%)

Our Price: $699

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Description

Overview & Key Benefits

Compatible Machines

This item is a complete sprayer. It does not “fit into” another machine. If you’re looking for what it works with, see the Compatible Accessories section below.

Graco 17G178 Magnum ProX17 Electric TrueAirless Sprayer, Cart (this model)

The Graco 17G178 Magnum ProX17 Electric TrueAirless Sprayer, Cart is a cart-mounted, professional-grade airless sprayer designed for high-output residential and light commercial jobs. Its TrueAirless atomization, durable ProX piston pump, and ProXChange (tool-free pump replacement) system keep you spraying with less downtime.

Key Features

Cart mobility for easy transport between rooms and job sites
TrueAirless spray for consistent finish without unnecessary thinning
ProXChange pump system for fast, tool-free pump swaps
Supports common residential coatings (interior/exterior paints, primers, stains)
Includes SG3 metal spray gun and TrueAirless tip (typ. 515) in most kits
¼" spray hose compatibility; designed for longer hose runs when needed

Specifications

Model	17G178 (Magnum ProX17, Cart)
Power	120V electric
Pump	ProX stainless-steel piston pump; ProXChange field-replaceable
Max Working Pressure	Rated for high-pressure airless spraying (TrueAirless)
Recommended Tip Range	Up to 0.017" (e.g., 515 for many wall paints; match to material & surface)
Included	SG3 spray gun, tip guard, TrueAirless tip (typ. 515), ¼" airless hose (length varies by kit)

Compatible Accessories & Replacement Items

TrueAirless spray tips up to 0.017" (match to coating & production needs)
¼" airless hoses (DuraFlex and equivalents rated for airless pressure)
SG-series and other Graco airless guns rated for airless pressures
Power Flush / garden-hose cleaning adapter for faster cleanup
ProXChange pump kit designed for ProX17 (for quick field replacement)
Filters (gun handle filters, manifold/suction filters as applicable)

Ideal Use Cases

Interior/exterior repaints, rentals/turns, fences, decks, garages, outbuildings
Medium-to-large rooms and whole-home interiors with latex paints & primers
Contractors and serious DIYers seeking reliable output and quick serviceability

Care & Maintenance

Flush after each use (water for water-based, appropriate solvent for solvent-based)
Use pump armor/conditioner during storage to protect internal components
Inspect filters and tips regularly; replace worn tips to maintain pattern & flow

Frequently Asked Questions

Most interior/exterior paints, primers, and stains suitable for airless application. Always match tip size and filter to the coating and follow coating manufacturer guidance.

Up to 0.017" in most applications. Choose the correct fan width and orifice for your coating and surface to avoid runs or poor coverage.

Typical kits include an SG3 gun, tip guard, TrueAirless tip (commonly 515), and a ¼" airless hose. Exact contents can vary by region/kit; check the “In the Box” details on your package.

A field-replaceable pump module that lets you swap the pump without tools, minimizing downtime and extending machine life.

Flush with the appropriate fluid after use, remove and clean filters, and store with pump conditioner to prevent corrosion or sticking. Keep tips labeled and replace when pattern wears.