Graco 26B419 PowerFill 3.5 XL Cordless Drywall Mud Pump
The Graco 26B419 PowerFill 3.5 XL Pro Series is a cordless drywall mud pump designed for speed and precision. It delivers up to 3.5 GPM flow and runs on DeWalt 20V MAX batteries, letting you fill finishing tools anywhere without cords.
- Fills automatic tapers, flat & angle boxes, compound tubes
- Handles 5–30 gal buckets with Hi-Rise fill tube
- Up to ~55 gallons per charge with SmartControl Pro
- Tool-less pump maintenance for easy cleaning
- Perfect for drywall finishing crews seeking cordless efficiency
Overview & Key Benefits
The Graco 26B419 PowerFill 3.5 XL Pro Series Cordless Loading Drywall Mud Pump is a battery-powered pump designed to speed up filling of taping & finishing tools with drywall joint compound. With up to 3.5 GPM output and cordless convenience, it helps crews reduce manual pumping, maintain a cleaner setup, and keep production moving.
Compatible Machines / Tools
This pump feeds joint compound into finishing tools. It is not a texture sprayer or automatic taper itself.
- Automatic tapers (auto taper machines)
- Flat boxes & angle boxes (with box filler attachment)
- Nail spotters
- Compound tubes (straight/angle)
- Mud pans, hawks & hopper guns
- Buckets/hoppers accepting standard filler connections
Note: Works with common drywall finishing brands that accept standard box-filler style inlets/adapters.
Key Specifications
| Model / Part # | Graco 26B419 PowerFill 3.5 XL Pro Series |
|---|---|
| Max Flow | 3.5 GPM (high-output cordless loading) |
| Power | Compatible with DeWalt 20V MAX lithium-ion batteries |
| Per-Charge Capacity* | Up to ~55 gallons of compound per full charge (usage-dependent) |
| Bucket / Container Range | Designed for approx. 5–30 gal buckets (tall/XL containers supported with Hi-Rise tube) |
| Controls & Features | SmartControl Pro, Precision Fill, continuous-run mode, tool-less pump cylinder/filter removal, rotatable outlet, adjustable bucket stabilizer |
Why Pros Choose It
- Speed & consistency: Fill boxes, tapers, and tubes quickly with repeatable volumes.
- Cordless freedom: No cords or air lines—set up anywhere on site.
- Ergonomics: Hi-Rise fill tube enables upright filling to reduce bending and fatigue.
- Low maintenance: Tool-less access for cleaning the cylinder and filter.
- Cleaner workflow: Controlled dispensing helps keep lids, rims, and floors tidier.
Fit & Compatibility Notes
- Use with standard box-filler style inlets and common adapter fittings for finishing tools.
- Confirm your tool’s inlet style/size; adapters may be required for some third-party tools.
- Designed for interior drywall finishing compounds (premix, light/medium weights). Not for mortar/concrete.
Pro Tips
- Keep compound properly mixed and free of dried skins to protect the pump and tool inlets.
- Use continuous-run mode for fast bucket transfers and for thorough rinse-outs.
- Rinse filter and cylinder daily to maintain peak flow and extend service life.
Frequently Asked Questions
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