The WM63 Whiteman Steel-Drum Plaster/Mortar Mixer series is a flagship line from Multiquip, renowned among contractors for its durability, performance, and versatility across a range of mixing jobs—whether for masonry mortar, stucco, plaster, or grout applications. Available with multiple engine configurations—including electric and various gas engine types—these mixers deliver consistent results, superior jobsite efficiency, and an industry-leading lifetime value for both professionals and equipment rental fleets.

Product Overview & Features

The WM63 series, engineered for reliability and productivity, features a 6.3 cubic foot steel drum built from heavy-duty 10-gauge steel. This drum is optimized for mixing batches of up to 1.5–2 bags of product at a time, with a robust paddle-and-wiper arrangement for smooth, uniform mixes. The drum is supported by a rugged tubular steel frame, a 14-gauge steel engine cover, and OSHA-compliant safety features including a welded grate and bag cutter.

Versatile Engine Options:

• WM63E – 1.5 HP Baldor Electric Motor (115/230V): Suitable for indoor or emission-sensitive environments, delivering quiet, steady power.

• WM63H5 – 4.8 HP Honda GX160 Gas: Legendary reliability and easy starts, ideal for standard crew and rental use.

• WM63H8 – 7.9 HP Honda GX240 Gas: High-output power for demanding jobs or heavier loads.

• WM63SLF – 9.0 HP MPower 177F-BH Gas: Heavy-duty alternative with increased torque and capacity.

Each variant is engineered with shaft-driven V-belt transmission for minimal vibration, long belt life, and quiet operation. Forklift pockets and a removable Schedule 80 tow tongue provide both portability and easy jobsite handling.

Technical Specifications (Across All WM63 Variants)

Advanced Engineering

• Bull Gear & Pinion: Features a heavy-duty cast bull gear and steel heat-treated drive pinion to resist wear and provide reliable drum rotation.

• Safety & Durability Features: Drum lock system ensures safe transport and operation; powder-coat paint resists corrosion and weathering.

• Paddle Design: High-strength cast iron paddle arms with rubber wipers ensure clean mixing and low material residue inside the drum.

• Greaseable, Double-Sealed Bearings: Long life, reduced maintenance, and protection against contaminated jobsite conditions.

• Innovative Seep Hole: Alerts operator to seal wear and the need for timely replacement, minimizing downtime and costly repairs.

Performance Benefits

• Consistent, High-Quality Mixing: Each WM63 mixer batch delivers uniform, well-blended mixes with minimal clumping, critical for structural masonry, stucco, and plasterwork.

• Long-Term Value: Professional-grade design ensures exceptional product life even in taxing rental or high-frequency contractor environments.

• Operator Safety: Large safety grates, drum control locks, and clear manual controls protect the crew and speed up workflow.

• Efficient Site Mobility: Integrated forklift pockets and highway-rated hitch allow for easy relocation, both on flatbeds or by towing behind a standard work vehicle.

Best Use Applications

• Commercial/Multi-Family Masonry: Mortar, grout, and supplement mixes for CMU, bricklaying, and stone facades.

• Stucco/Plastering: Large coverage jobs require fast, even mixes to minimize cold joints and maximize finish integrity.

• Tile/Paving/Hardscape: Suitable for bed mix, levelling mortar, or screed for landscaping and paving operations.

• Rental House Fleets: Heavy-duty build and simple operation minimize downtime and maximize rental ROI.

Contractor & Rental Industry Reviews

• High Reliability: “Whiteman mixers never disappoint—they run season after season,” report contractors.

• Powertrain Versatility: “We use the Honda engine outside and electric in sensitive new build interiors—same quality mix on both.”

• Maintenance Simplicity: “Changing belts, seals, or doing routine lube is quick and straightforward—a big plus for keeping jobs moving.”

• Popular for Rentals: Its reputation for durability, easy operations, and robust mixing make it a favorite among large and small rental businesses.

Maintenance & Operation Tips

• Clean the drum and paddles after every workday, especially if mixing sticky renders or colored batches.

• Monitor the seephole to catch seal wear early—replace shaft seals as soon as leaks are visible.

• Inspect and tension V-belts weekly for the best power transfer and operation.

• Engage drum locks before transport and close brackets during mixes for crew safety.

• Refer to engine manufacturer’s maintenance schedule for oil, filters, and regular checks.

Frequently Asked Questions

Q: Is the WM63 efficient for both mortar and plaster?
A: Yes. Its paddle design, drum shape, and drive torque are ideal for both coarse mortar and fine plaster, providing lump-free batches every time.

Q: Can I switch drums between models?
A: The 6.3 cu ft drum is consistent across the WM63 line, making parts and maintenance easier, but always use original manufacturer components for safety and longevity.

Q: Are engines hard to service?
A: No. Honda and Baldor engines feature widely available support and parts, while MPower delivers dependable performance for heavy-duty needs; all offer simple regular servicing.

Conclusion

The WM63 Whiteman Steel-Drum Plaster/Mortar Mixer All Variant Engines series defines industry excellence through its premium steel drum, strong frame, powertrain versatility, and ease of use on busy jobsites. Whether running on electric, Honda GX, or MPower gas engines, these mixers guarantee robust performance, reliable batch quality, and lasting durability for professionals, rental fleets, and serious DIYers everywhere.