Graco 26B418 PowerFill 3.5 Pro Series Cordless Mud Pump

The Graco 26B418 PowerFill 3.5 Pro Series Cordless Loading Drywall Mud Pump delivers cordless convenience and high-speed loading for drywall professionals. Ideal for filling automatic taping tools and finishing boxes with precision and ease.

Cordless power – runs on DEWALT 20V MAX batteries
High-flow output – up to 3.5 GPM class for rapid fills
SmartControl Pro – programmable precision fill system
Hi-Rise Fill Tube – ergonomic upright loading position
Tool-less cleanup – quick disassembly and rinse design

List Price: $2080

You save: $1060 (50.96%)

Sale Price: $1020

Based on 0 reviews

Description

Power-Fast Loading for Drywall Pros

Compatible Machines / Tools

This cordless loading pump fills most pro drywall taping & finishing tools that accept mud via a fill port or tube.

Automatic taping & finishing tools (most major brands)
Flat boxes & angle boxes
Nail spotters
Compound tubes (e.g., for flats & corners)
Hawks, pans, and mud trays
Hoppers/buckets that accept bulk joint compound

Product Overview

The Graco 26B418 PowerFill 3.5 Pro Series Cordless Loading Drywall Mud Pump is a high-output, battery-powered pump designed to quickly and cleanly fill automatic taping tools and finishing boxes. With programmable fill modes and an ergonomic hi-rise tube, it reduces setup time, minimizes mess, and keeps crews moving on large runs.

Key Specs & Features

Series / Part #	PowerFill 3.5 Pro Series — 26B418
Power	Cordless, compatible with DEWALT 20V MAX lithium-ion battery packs
Output	High-flow performance for rapid tool fills (up to 3.5 GPM class)
Control	SmartControl Pro with programmable Precision Fill & continuous-run modes
Ergonomics	Hi-Rise Fill Tube with swivel positioning for upright, comfortable loading
Maintenance	Tool-less access to pump cylinder, inlet, and filter for fast cleanup
Material	Designed for drywall joint compound / finishing mud (premixed or properly thinned per tool requirements)
Bucket Fit	Stabilizer accommodates common buckets/containers used on site

Why Pros Choose It

Speed: High-flow output fills flat/angle boxes and tubes in seconds.
Consistency: Programmable fills reduce over/under-loading and keep finish quality uniform.
Cordless freedom: No cords or air lines—set up anywhere on the job.
Cleaner workflow: Controlled dispensing helps minimize drips and floor mess.
Easy cleanup: Tool-less design shortens end-of-day maintenance.

Usage Notes

Use with joint compound appropriate for your taping/finishing tools (thin per manufacturer as needed).
Confirm fill-port compatibility on your boxes/tubes; most major brands accept standard filling wands.
Rinse and flush the pump after use to prevent compound buildup and clogs.

Frequently Asked Questions

Yes—if your boxes accept standard fill via a tube or port, the pump is designed to load them quickly and consistently. Most major pro drywall brands are compatible.

The unit is cordless and compatible with DEWALT 20V MAX lithium-ion battery packs commonly used on pro jobsites.

It’s optimized for drywall joint compound. Heavier materials may not dispense as intended—use compounds and viscosities recommended for automatic taping/finishing tools.

It brings the outlet higher and swivels for better positioning, so you can fill tools while standing upright—reducing bending and improving ergonomics.

Remove the pump cylinder, inlet, and filter without tools, then flush thoroughly with clean water per best practices for joint compound cleanup.