Pro-Grade Hi-Boy Sprayer for Mid-to-Large Jobs
Compatible Machines
- Note: Graco 19D521 Ultra 490 XT Electric Airless Sprayer is a complete sprayer (a machine itself). It does not “fit into” other machines. If you’re looking for compatible accessories (guns, tips, hoses, pumps), see sections below.
Product Overview
The Graco 19D521 Ultra 490 XT Electric Airless Sprayer (Hi-Boy) is a contractor-grade unit built around a 1.3 HP Xtreme Torque motor with next-gen Rapid-Response pressure control. It’s designed for higher daily production, smooth pressure stability, and long service life with the Endurance Vortex pump architecture.
Key Features
- Xtreme Torque 1.3 HP motor for reliable power and production.
- Rapid-Response Pressure Control for consistent spray fan and finish.
- Endurance Vortex piston pump with ProConnect quick pump-swap serviceability.
- TurboClean fast-flush system to reduce cleanup time and water use.
- WatchDog pump protection to help prevent dry-run damage.
- Hi-Boy cart with integrated storage and easy maneuverability on job sites.
Included in the Box
- Contractor PC spray gun
- 50 ft × 1/4 in airless hose
- 517 RAC X (or equivalent) tip & guard
Technical Specifications
| Model / Part # | Ultra 490 XT — 19D521 (Hi-Boy) |
| Motor | 1.3 HP Xtreme Torque (electric) |
| Max Working Pressure | Up to 3300 psi |
| Max Tip Size | 0.025 in |
| Max Flow | ~0.70 gpm (approx.) |
| Outlet / Hose | 1/4 in NPSM outlet; typically supplied with 50 ft × 1/4 in hose |
| Pump | Endurance Vortex piston pump with ProConnect |
| Frame | Hi-Boy cart (wheels, compact footprint) |
Compatible Accessories
- Spray tips: RAC X / LP SwitchTips up to 0.025 in (size to coating).
- Guns: Contractor PC and most Graco airless guns rated to 3300 psi.
- Hoses: 1/4 in (and 3/8 in with appropriate adapters) Graco airless hoses.
- Pump modules: Endurance Vortex (ProConnect) service modules compatible with the 490 XT platform.
- Other XT add-ons: filters, tip extensions, whip hoses, and cleaning/maintenance kits.
Recommended Applications & Materials
- Residential & light commercial repaint, interiors/exteriors.
- Primers, acrylics, latex paints, enamels (follow coating and tip guidance).
- Doors, trim, siding, fences, ceilings, walls, and similar architectural work.
Service & Maintenance Tips
- Use TurboClean after each use to speed up flushing and reduce water/solvent consumption.
- Inspect inlet strainers and gun filters regularly; size filters to your tip and coating.
- Leverage ProConnect for quick pump swaps to minimize downtime.
Frequently Asked Questions
Performance is similar; the 19D521 Hi-Boy adds a wheeled cart and higher frame for mobility and on-gun storage. The Stand version (e.g., 19D519) uses a compact, stationary frame.
Typically a Contractor PC gun, 50 ft × 1/4 in hose, and a 517 tip & guard, plus manuals and startup accessories. Contents may vary by region/bundle—check your specific listing.
The 490 XT supports tips up to 0.025 in and is rated up to 3300 psi. Always size the tip to the coating and desired finish quality.
Yes. The sprayer outlet is 1/4 in NPSM. You can run standard 1/4 in hoses (included) and add whip hoses or use 3/8 in main hose runs with the appropriate adapters for longer distances and less pressure drop.
Yes. The Endurance Vortex pump uses ProConnect for quick swap/service to minimize downtime on the job.
