The WM63H5 Whiteman Steel-Drum Plaster/Mortar Mixer is an industry-leading, contractor-grade solution for efficiently mixing plaster, masonry mortar, grout, and similar dry materials on modern construction sites. Built by Multiquip—a trusted name in concrete and masonry equipment—this tough, portable towable mixer is celebrated for its durability, performance, and user-centered features, setting the benchmark for quality and jobsite results across North America.

Product Overview

The Multiquip Whiteman WM63H5 is specifically designed for professionals who demand maximum mixing productivity and reliability. With a 6.3-cubic foot steel drum and rugged powder-coated chassis, this mixer can handle up to 1.5–2 full bags of mortar or plaster in a single batch—offering plenty of volume for large masonry, stucco, and tile preparation jobs. Its efficient V-belt drive, direct Honda GX160 gasoline engine drive, and maintenance-friendly design make it a staple on job sites and for rental fleets nationwide.

Key Features

• 6.3 Cubic Foot Steel Drum: The heavy-duty steel drum (10-gauge thickness) is engineered for longevity and even mixing, ensuring consistent blends and low stick.

• Honda GX160 Gas Engine: Reliable, efficient 4.8 HP engine ensures easy starts, quiet operation, and minimal downtime—widely praised for longevity and low maintenance needs.

• Tubular Powder-Coated Frame: Strong, corrosion-resistant and designed to withstand jobsite abuse, transport, and storage.

• Schedule-80 Steel Removable Tow Tongue: Lets the mixer be safely towed behind most trucks, and is removable for compact storage or maneuvering in tight jobs.

• Manual Drum Dump: Simple, hands-on discharge with an 18-inch (457mm) drop height—ideal for use with wheelbarrows.

• Innovative Seal System: Includes a special seep hole that announces the need for seal replacement, protecting bearings, and minimizing downtime.

• Safety Grate with Built-in Bag Cutter: Heavy welded grate enhances operator safety, while the integrated bag cutter improves efficiency and prevents clumping.

Technical Specifications

Core Performance Benefits

• Consistent, High-Quality Mixes: The large drum and robust paddle arms provide uniform agitation, ensuring a smooth, homogeneous mix every batch.

• Superior Drum Longevity & Cleanout: Steel construction resists wear and pitting. Simple access for cleaning means less downtime and reduced cross-contamination between materials.

• Efficient Operation: Fast mixing cycles and easy-loading via safety grate with bag breaker allow operators to keep up with demanding project schedules.

• Easy Towing & Maneuverability: Strong tongue and industrial tires are ideal for hauling between and around job sites.

• Safety-Focused Design: Safety grate, drum lock, and visible controls remain key differentiators in preventing operator injury and jobsite incidents.

Applications

• Masonry Contractors: For mortar and grout mixes on block, brick, and stone projects.

• Stucco & Plaster Crews: Consistent, lump-free blend for smooth wall or lath applications.

• Tile & Pool Builders: Preps large batches of mudset, render, or setting beds.

• General Builders & Rentals: Durable and easy to rent for laypersons tackling repair, fencing, or small pours.

User Reviews & Industry Feedback

• Praised for Reliability: Users note the WM63H5 “never misses a beat” on busy jobs, with the Honda engine “always starting on the first pull,” even after extended storage.

• Ease of Maintenance: Operators like the innovative seal-system seep hole, and the robust V-belt drive, which “takes a ton of abuse and just keeps working.”

• Superior Mix Consistency: Crews appreciate the uniformity of mixes and the reduced cleanup time, which leads to more efficient workdays.

• Rental Favorite: Rental shops love it for easy maintenance, heavy-duty drum design, and long service intervals between repairs.

Best Practices

• Rinse and clean the drum after each use—especially with sticky plaster or colored mortars to maintain drum longevity.

• Monitor the seep hole beneath the drum area; replace seals proactively when leaks are spotted.

• Inspect the V-belt weekly and keep it tensioned for maximum transmission and lifespan.

• Secure the drum lock before transport and keep the drum grates closed during operation.

Frequently Asked Questions

Q: How much material can it mix at once?
A: Up to 6.3 cubic feet (1.5–2 bags), ideal for medium-scale commercial and residential jobs.

Q: Is it easy to tow with a pickup or work truck?
A: Yes—the heavy-duty schedule-80 removable tongue is compatible with standard hitches.

Q: How hard is it to maintain?
A: Routine maintenance is simple—replace seals and belts as needed, rinse regularly, and refuel the Honda GX160 engine per schedule.

Q: Is it suitable for both mortar and plaster?
A: Yes. The design is optimized for both heavy, gritty masonry mixes and finer plaster blends.

Conclusion

The WM63H5 Whiteman Steel-Drum Plaster/Mortar Mixer is the construction professional’s trusted choice for high-volume, reliable, and consistent mixing. With premium steel drum construction, a legendary Honda power plant, robust jobsite-ready features, and a thoughtful design for performance and safety, it consistently delivers the mixing results crews need—day after day, job after job, project after project.