When it comes to high-performance concrete pumping and mixing equipment, a heavy-duty planetary gearbox plays a critical role in ensuring reliable operation, maximum torque, and long service life. The D3522 Mixer / Pump is engineered with a rugged planetary gearbox that efficiently drives its 2-inch hydraulic squeeze pump, delivering smooth and consistent material flow for demanding construction applications.
Whether you're working on grouting, shotcrete, mortar, or concrete pumping projects, the D3522 offers durability, low maintenance, and exceptional productivity.
Why the Heavy-Duty Planetary Gearbox Matters
The heavy-duty planetary gearbox is designed to transmit high torque while maintaining compact dimensions and outstanding efficiency. In the D3522 Mixer / Pump, this gearbox provides:
High torque output for demanding pumping operations
Smooth hydraulic power transmission
Increased durability under continuous workloads
Reduced maintenance requirements
Longer equipment lifespan
Reliable performance in harsh jobsite conditions
Its robust design ensures the hydraulic squeeze pump operates efficiently even in challenging construction environments.
D3522 Mixer / Pump Overview
The D3522 Mixer / Pump combines a powerful hydraulic squeeze pump with a hydraulic spiral mixer, creating an all-in-one solution for mixing and pumping cementitious materials.
The machine features:
2-inch hydraulic squeeze pump
Infinitely variable pumping speed from 0–6 cubic yards per hour
9 cu. ft. hydraulic spiral mixer
Hydraulic mixer dump system
Hydraulic receiving hopper agitator
High-speed single axle trailer
Electric braking system
Trailer lighting package
One of the biggest maintenance advantages is its rubber pumping tube, which serves as the primary wear component and can typically be replaced in approximately 20 minutes, minimizing downtime.
Key Features
The D3522 is engineered for productivity and operator convenience with features including:
9 cu. ft. hydraulic spiral mixer with hydraulic dump
Clean-out door for fast maintenance
12 cu. ft. receiving hopper with hydraulic agitator
Hopper clean-out door
Reliable 29 HP Kubota water-cooled diesel engine
Heavy-duty planetary gearbox driving the hydraulic squeeze pump
Low purchase and operating costs
Long-lasting pumping tubes for reduced maintenance expenses
Technical Specifications
Specification Value
Length 204 in.
Width 88 in.
Height (Water Tank) 89 in.
Height (Mixer Dump Position) 86 in.
Charging Height 48 in.
Output Capacity 0–6 YPH
Mixer Capacity 9 cu. ft.
Receiving Hopper Capacity 12 cu. ft.
Power Options
The D3522 Mixer / Pump is available with multiple power configurations to suit different jobsite requirements.
Kubota Diesel Engine
Kubota V1505
29 HP
Water-cooled diesel engine
Ideal for remote and outdoor construction sites
Electric Motor
20 HP electric motor
Includes starter and disconnect
Suitable for indoor or environmentally sensitive applications
Optional Equipment
To improve versatility, the D3522 can be equipped with several optional accessories:
Pendant remote control
Wireless remote control
150-gallon water tank with 2-inch flow meter
Spare tire mount
Hydraulic pressure washer
Dual axle trailer
Mounted air compressor
Benefits of the Heavy-Duty Planetary Gearbox
Choosing equipment with a heavy-duty planetary gearbox provides significant operational advantages:
Delivers superior torque for demanding pumping applications
Improves hydraulic efficiency
Supports continuous-duty performance
Reduces wear on drivetrain components
Increases machine reliability
Lowers long-term maintenance costs
Enhances overall equipment productivity
These benefits make the D3522 Mixer / Pump a dependable solution for contractors who require consistent performance and minimal downtime.
Applications
The D3522 Mixer / Pump is ideal for a wide range of construction and industrial projects, including:
Grouting
Concrete pumping
Mortar pumping
Shotcrete applications
Refractory installation
Masonry projects
Infrastructure construction
Foundation repair
Industrial maintenance
Heavy-Duty Planetary Gearbox for the D3522 Mixer / Pump: Power, Reliability, and Efficient Performance
