The ZM-400N1 Series Rear Discharge Concrete Mixer has been and continues to be the workhorse of the volumetric mixer industry. Our Zim-Mixer comes with the most complete package of standard equipment available in the market. This series is available in two production rates: 30 (Standard Production) or 60 (High Production) cubic yards per hour.  The Zim-Mixer N1 models have a standard 10 foot aggregate bin length and N2 models have a standard 12 foot aggregate bin length. This renowned equipment combined with our industry leading technical support is why concrete professionals choose a Zim-Mixer.

Standard Equipment

  • Patented dual chain material feed system found only in Zim-Mixer equipment, which is the most accurate in the industry, longest lasting, self-cleaning, and has the ability to run any material individually.

  • Aggregate bin with center divider.

  • Cement bin with power agitator which includes a patented chain feed system (unique only to the Zim-Mixer brand!) which is the longest lasting, most accurate in the industry, and is self-cleaning.

  • Polyethylene water tank.

  • Hydraulic water pump with a water solenoid valve which is quick acting for consistent mixing.

  • Digital water flow meter.

  • 4-Section hydraulic pump provides an independent pump for each hydraulic circuit which gives the most consistent mixing and coolest running hydraulic system in the industry.

  • Automatic cam operated vibrators.

  • Material counter.

  • 9' mix auger with replaceable Ni-Hard wear pads.

  • Power auger lift and swing.

  • Manual telescopic chutes, which are mounted to the auger and require no attachment by the operator.

  • Unit painting which includes two coats of epoxy primer and two coats of industrial grade polyurethane paint.

  • Unit mounting on truck chassis, trailer, skid, etc...

  • Calibration yield box.

  • Operator training at customer location.


Mixer Specifications

Mixer Specifications (English)
Capacity 4 Yard 5 Yard 6 Yard 7 Yard 8 Yard 9 Yard
Production Rate (Yds./Hr.)
30 30 30 30/60 30/60 30/60
Cement (Ft.³) 60
60
60
96 96 96
Water (Gallons) 200 300 300 400 400 400
Ag Bin Capacity (Ft.³) 149 183 217 283 317 354
Empty Unit Weight (Pounds) 8,600 8,825 9,000 9,700 9,900 10,000
Hydraulic Pump (Sections) 4 4 4 4 4 4
Patented Chain Delivery System Yes Yes Yes Yes Yes Yes
Auger Length (Feet) 9 9 9 9 9 9
Auger Diameter (Inches) 9 9 9 12 12 12
Meets Standards:
ASTM C685 Yes Yes Yes Yes Yes Yes
AASHTO M241 Yes Yes Yes Yes Yes Yes
Certified VMMB Plate Yes Yes Yes Yes Yes Yes
Mixer Specifications (English)
Capacity 10 Yard 11 Yard 12 Yard 13 Yard 14 Yard
Production Rate (Yds./Hr.)
30/60 30/60 30/60 30/60 30/60
Cement (Ft.³) 113
113
113
130 130
Water (Gallons) 500 500 500 700 700
Ag Bin Capacity (Ft.³) 390 425 469 513 556
Empty Unit Weight (Pounds) 10,250 10,375 11,150 11,300 11,425
Hydraulic Pump (Sections) 4 4 4 4 4
Patented Chain Delivery System Yes Yes Yes Yes Yes
Auger Length (Feet) 9 9 9 9 9
Auger Diameter (Inches) 12 12 12 12 12
Meets Standards:
ASTM C685 Yes Yes Yes Yes Yes
AASHTO M241 Yes Yes Yes Yes Yes
Certified VMMB Plate Yes Yes Yes Yes Yes

Chassis Specifications

Axle ratings may change depending on state laws

Chassis Specifications (English)








Capacity 4 Yard 5 Yard 6 Yard 7 Yard 8 Yard 9 Yard
Front Axle (Lbs.) 14,000 16,000 18,000 18,000 20,000 20,000
Rear Axle (Lbs.) 36,000 36,000 40,000 46,000 46,000 46,000
Cab to Axle (Inches) 155
155 155 155 155 155
Frame Width (Inches)
33.75 33.75 33.75 33.75 33.75 33.75
Number of Axles
* * * * * *
Chassis Specifications (English)








Capacity 10 Yard 11 Yard 12 Yard 13 Yard 14 Yard
Front Axle (Lbs.) 20,000 20,000 20,000 20,000 20,000
Rear Axle (Lbs.) 46,000 52,000 58,000 65,000 65,000
Cab to Axle (Inches) 155
155 175 175 175
Frame Width (Inches)
33.75 33.75 33.75 33.75 33.75
Number of Axles
* * * * *

*Specific to state weight laws


Zim-Mixer Layout Drawings

Chassis Mounted Specifications (English)

4 Yard | 5 Yard | 6 Yard | 7 Yard | 8 Yard | 9 Yard | 10 Yard | 11 Yard | 12 Yard | 14 Yard

Chassis Mounted Specifications (Metric)

3 Cubic Meter | 3.8 Cubic Meter | 4.5 Cubic Meter | 6.0 Cubic Meter | 6.8 Cubic Meter | 7.6 Cubic Meter | 8.4 Cubic Meter | 9.2 Cubic Meter

Skid Mounted Specifications (English)

4 Yard | 5 Yard | 6 Yard | 7 Yard | 8 Yard | 9 Yard | 10 Yard | 11 Yard | 12 Yard | 14 Yard

Skid Mounted Specifications (Metric)

3 Cubic Meter | 3.8 Cubic Meter | 4.5 Cubic Meter | 6.0 Cubic Meter | 6.8 Cubic Meter | 7.6 Cubic Meter | 8.4 Cubic Meter | 9.2 Cubic Meter

Trailer Mounted Specifications (English)

4 Yard | 7 Yard | 10 Yard | 12 Yard | 14 Yard

Trailer Mounted Specifications (Metric)

3 Cubic Meter | 6 Cubic Meter | 8.4 Cubic Meter