






Multiquip / Whiteman
Whiteman WM90SH8 Plaster, Stucco & Mortar Mixer 9 cu.ft. 8HP Honda Steel Drum
- Part number
- WM90SH8
- Model
- WM90SH8
- Year
- 2/1/2026
- Condition
- NEW
$4615.93List $5788.00Save $1172.07
Genuine OEMShips nationwideFree shippingExpert support
Whiteman WM90SH8 Plaster, Stucco & Mortar Mixer 9 cu.ft. 8HP Honda Steel Drum
Whiteman mixers have the features, quality and engineering excellence preferred by the contractor and the equipment rental industry.
Features
Super-strong tubular steel frame with forklift pocket
Mixes 9-cubic feet (248 liters) of material
Honda GX240 gasoline engine
High tensile strength paddle arms
Thick 14-gauge steel engine cover resists vibration
Powder coat paint with a durable lasting finish
Whiteman WM90SH8 Plaster, Stucco & Mortar Mixer 9 cu.ft. 8HP Honda Steel Drum
• TOW POLE SOLD SEPARATLY
• Super-strong tubular steel frame with forklift pocket
• Mixes 9-cubic feet (248 liters) of material
• Honda GX240 gasoline engine
• High tensile strength paddle arms
• Thick 14-gauge steel engine cover resists vibration
• Powder coat paint with a durable lasting finish
Multiquip Whiteman WM90SH8 Plaster Mortar Mixer
Unit Specifications
Drive System..... V-belt
Drum Capacity..... 9 cu. ft / 254.9 L / 2 1/2 - 3 1/2 bags
Dump Type..... Manual
Discharge Height..... 21 in / 530 mm
Drum Type..... Steel
Drum Thickness..... 10
Engine Cover Thickness..... 14
Tire Size..... B78x13
Frame Type..... Tubular
Paint Type..... Powder coat
Power Source..... Honda GX240KIHA2, or MQ Power 9HP See description
Dimensions & Weights
Overall Length..... 98 in / 2489 mm
Overall Width..... 50 in / 1270 mm
Overall Height..... 59 in / 1498.6 mm
Overall Height w/Dump Handle..... 77 in / 1960 mm
Operating Weight..... 770 lb / 349.2 kg
Multiquip Whiteman WM90SH8 Plaster Mortar Mixer
RULES FOR SAFE OPERATION
DANGER
Failure to follow instructions in this manual may lead to serious injury or even death! This equipment is to be operated by trained and qualified personnel only! This equipment is for industrial use only.
The following safety guidelines should always be used when operating the WM-70 plaster and mortar mixer:
GENERAL SAFETY
DO NOT operate or service this equipment before reading this entire
manual.
This equipment should not be operated by persons under 18 years of age.
NEVER operate this equipment without proper protective clothing, shatterproof glasses, steel-toed boots and other protective devices required by the job.
NEVER operate this equipment when not feeling well due to fatigue, illness or taking medicine.
NEVER operate this equipment under the influence of drugs or alcohol.
ALWAYS wear proper respiratory (mask), hearing and eye protection equipment when
operating the mixer.
NEVER place hands inside the drum while the blades are rotating.
Whenever necessary, replace nameplate, operation and safety decals when they become difficult read.
Manufacture does not assume responsibility for any accident due to equipment modifications.
NEVER use accessories or attachments, which are not recommended by Multiquip for this equipment. Damage to the equipment and/or injury to user may result.
NEVER touch the hot exhaust manifold, muffler or cylinder. Allow these parts to cool before servicing engine or mixer.
High Temperatures – Allow the engine to cool before adding fuel or
performing service and maintenance functions. Contact with hot! components can cause serious burns.
The engine section of this mixer requires an adequate free flow of cooling air. NEVER operate the mixer in any enclosed or narrow area where free flow of the air is restricted. If the air flow is restricted it will cause serious damage to the mixer or engine and may cause injury to people. Remember the mixer's engine gives off DEADLY carbon monoxide gas
ALWAYS refuel in a well-ventilated area, away from sparks and open flames
ALWAYS use extreme caution when working with flammable liquids. When refueling, stop the engine and allow it to cool. DO NOT smoke around or near the machine. Fire or explosion could result from fuel vapors, or if fuel is spilled on a hot engine.
NEVER operate the mixer in an explosive atmosphere or near combustible materials. An explosion or fire could result causing severe bodily harm or even death.
Topping-off to filler port is dangerous, as it tends to spill fuel.
Stop the engine when leaving the mixer unattended.
Block the unit when leaving or when using on a slope.
Maintain this equipment in a safe operating condition at all times.
WARNING
Starting the Mixer Engine
NEVER! start the engine or engage the paddle arms when the drum is in the discharge (down) position.
ALWAYS stop the engine before servicing, adding fuel and oil.
NEVER run engine without air filter. Severe engine may occur.
ALWAYS service air cleaner frequently to prevent carburetor malfunction.
ALWAYS be sure the operator is familiar with proper safety precautions and operations techniques before using mixer.
ALWAYS store equipment properly when it is not being used. Equipment should be stored in a clean, dry location out of the reach of children.
DO NOT operate this equipment unless all guards and safety devices are attached and in place.
CAUTION must be exercised while servicing this equipment. Rotating and moving parts can cause injury if contacted.
When towing, an adequate safety chain must be fastened to the frame. See Towing Guidelines section in this manual.
Keep all inexperienced and unauthorized people away from the equipment at all times.
Unauthorized equipment modifications will void all warranties.
Check all fasteners periodically for tightness. Also check towing tongue bolt, lock nut and wheel lug nuts for wear.
Stop the engine and disconnect the spark plug before allowing anybody’s hands in the mixing drum.
NEVER pour or spray water over the engine or electric motor.
WARNING
Stand Clear of the Mixer when in use
Always stand clear of the dump handle when the mixer is in operation. Any binding of material between the mixer blades and the drum will cause the drum handle to quickly move and could cause bodily harm.
Depending on type of mixer, test the ON/OFF switch for either the gasoline engine or electric motor before operating.
The purpose of these switches is to shut down the engine or motor of the mixer.
Refer to the HONDA Engine Owner's Manual for engine technical questions or information recommended by Multiquip for this equipment. Damage to the equipment
and/or injury to user may result.
TRANSPORTING
ALWAYS shutdown engine before transporting.
Tighten fuel tank cap securely and close fuel cock to prevent fuel from spilling.
Drain fuel when transporting mixer over long distances or bad roads.
MAINTENANCE
NEVER lubricate components or attempt service on a running mixer.
ALWAYS allow the mixer a proper amount of time to cool before servicing.
Keep the mixer in proper running condition.
Fix damage to the mixer immediately and always replace broken parts.
Dispose of hazardous waste properly. Examples of potentially hazardous waste are used motor oil, fuel and fuel filters.
DO NOT use food or plastic containers to dispose of hazardous waste.
EMERGENCIES
ALWAYS know the location of the nearest fire extinguisher and first aid kit
In emergencies always know the location of the nearest phone or keep a phone on the job site.
Also know the phone numbers of the nearest ambulance, doctor and fire department. This information will be invaluable in the case of an emergency.
- Multiquip Whiteman WM90SH8 Steel Drum Plaster/Mortar Mixer Brochure September 2022
- Multiquip Whiteman WM90SH8 Steel Drum Plaster/Mortar Mixer Brochure March 2019 Language Spanish
- Multiquip Whiteman WM90SH8 (Honda GX240 Gasoline Engine and 3Hp Electric Motor) Plaster and Mortar Mixer Operation Manual Rev-2 October 2019
- Multiquip Whiteman WM-90S (Steel) WM-90P (Plastic) Plaster Mortar Mixer Parts Manual Rev-6 03-04-2008
- Multiquip Whiteman WM90S / WM90P Plaster Mortar Mixer Parts Manual - 07/2005
- Multiquip Whiteman WM90S / WM90P Plaster Mortar Mixer Operations Manual - 08/2004
- Multiquip Whiteman Mixer Brochure - 12/2018
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